/*
Theme Name: Nirmithabudhi AI Tools
Theme URI: https://nirmithabudhi.com
Description: Malayalam AI Learning Tools - Educational platform for AI-powered learning in Malayalam. Features code explainer, quiz generator, concept explainer, SEO tools, and more.
Author: Nirmithabudhi Team
Author URI: https://nirmithabudhi.com
Template: oceanwp
Version: 1.0.3
Text Domain: nirmithabudhi-com
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GPL v3 or later
License URI: https://www.gnu.org/licenses/gpl-3.0.html
Tags: ai, learning, malayalam, education, tools, calculator, quiz, coding
*/

/* ============================================
   CSS VARIABLES - AI LEARNING THEME
   ============================================ */
:root {
    /* Brand Colors - AI/Tech inspired with Kerala cultural touch */
    --brand-primary: #1E40AF;      /* Deep blue - intelligence */
    --brand-secondary: #3B82F6;    /* Bright blue - technology */
    --brand-accent: #10B981;       /* Green - Kerala/growth */
    --brand-highlight: #F59E0B;    /* Gold - traditional touch */
    --brand-purple: #7C3AED;       /* Purple - AI/creativity */

    /* Semantic Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;

    /* Text Colors */
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --text-inverse: #FFFFFF;

    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-muted: #F1F5F9;
    --bg-dark: #0F172A;
    --bg-gradient: linear-gradient(135deg, #1E40AF 0%, #7C3AED 100%);
    --bg-gradient-light: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);

    /* Typography */
    --font-malayalam: 'Noto Sans Malayalam', 'Manjari', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-english: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-code: 'Fira Code', 'JetBrains Mono', 'Monaco', 'Consolas', monospace;

    /* Font Sizes */
    --font-xs: 0.75rem;    /* 12px */
    --font-sm: 0.875rem;   /* 14px */
    --font-base: 1rem;     /* 16px */
    --font-lg: 1.125rem;   /* 18px - Malayalam base */
    --font-xl: 1.25rem;    /* 20px */
    --font-2xl: 1.5rem;    /* 24px */
    --font-3xl: 2rem;      /* 32px */
    --font-4xl: 2.5rem;    /* 40px */
    --font-5xl: 3rem;      /* 48px */

    /* Spacing */
    --space-xs: 0.25rem;   /* 4px */
    --space-sm: 0.5rem;    /* 8px */
    --space-md: 1rem;      /* 16px */
    --space-lg: 1.5rem;    /* 24px */
    --space-xl: 2rem;      /* 32px */
    --space-2xl: 3rem;     /* 48px */
    --space-3xl: 4rem;     /* 64px */

    /* Border & Shadow */
    --border-color: #E2E8F0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(30, 64, 175, 0.15);

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --header-height: 72px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-toast: 400;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-english);
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

/* ============================================
   MALAYALAM TYPOGRAPHY
   ============================================ */
.ml,
.malayalam,
[lang="ml"],
.ml-text {
    font-family: var(--font-malayalam);
    line-height: 1.9;
    letter-spacing: 0.01em;
}

.ml-heading {
    font-family: var(--font-malayalam);
    font-weight: 700;
    line-height: 1.5;
}

/* Malayalam specific sizes - slightly larger for readability */
.ml-base {
    font-size: var(--font-lg);
}

.ml-lg {
    font-size: var(--font-xl);
}

.ml-xl {
    font-size: var(--font-2xl);
}

/* Code explanations in Malayalam */
.code-explanation-ml {
    font-family: var(--font-malayalam);
    font-size: var(--font-lg);
    line-height: 2;
    background: var(--bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--brand-accent);
}

/* Mixed Malayalam-English content */
.mixed-content code,
.ml-text code {
    font-family: var(--font-code);
    direction: ltr;
    display: inline-block;
}

/* ============================================
   LAYOUT COMPONENTS
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: var(--font-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--space-xl);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

@media (min-width: 1024px) {
    .content-grid {
        grid-template-columns: 2fr 1fr;
    }
}

/* ============================================
   HEADER STYLES
   ============================================ */
.site-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    height: var(--header-height);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.site-logo img {
    max-height: 40px;
    width: auto;
}

.site-logo-text {
    font-family: var(--font-malayalam);
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--brand-primary);
    text-decoration: none;
}

.site-logo-text:hover {
    color: var(--brand-secondary);
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-sm);
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-base);
}

.nav-menu a:hover {
    color: var(--brand-primary);
    background: var(--bg-secondary);
}

.nav-menu .current-menu-item a,
.nav-menu .current_page_item a {
    color: var(--brand-primary);
    background: var(--bg-muted);
}

/* Dropdown Menu */
.nav-menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-lg);
    min-width: 200px;
    padding: var(--space-sm);
    z-index: var(--z-dropdown);
}

.nav-menu li:hover .sub-menu {
    display: block;
}

.nav-menu .sub-menu a {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-sm);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-menu-toggle .hamburger {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    background: var(--bg-gradient-light);
    padding: var(--space-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231E40AF' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-primary);
    color: var(--brand-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-sm);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-size: var(--font-5xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-title-ml {
    font-family: var(--font-malayalam);
    display: block;
    font-size: var(--font-4xl);
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

/* Trust Signals */
.trust-signals {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
    margin-top: var(--space-2xl);
}

.trust-item {
    text-align: center;
}

.trust-number {
    display: block;
    font-size: var(--font-3xl);
    font-weight: 700;
    color: var(--brand-primary);
}

.trust-label {
    display: block;
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-base);
    min-height: 48px;
}

.btn-primary {
    background: var(--bg-gradient);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.btn-accent {
    background: var(--brand-accent);
    color: var(--text-inverse);
}

.btn-accent:hover {
    background: #059669;
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--font-lg);
    min-height: 56px;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    font-size: 1.25em;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.card-title {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.card-subtitle {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.card-body {
    padding: var(--space-xl);
}

.card-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* ============================================
   TOOLS GRID
   ============================================ */
.tools-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.tool-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient);
    opacity: 0;
    transition: var(--transition-base);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--brand-secondary);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    display: block;
}

.tool-title {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.tool-title-ml {
    font-family: var(--font-malayalam);
    font-size: var(--font-lg);
    color: var(--text-secondary);
    display: block;
    margin-top: var(--space-xs);
}

.tool-description {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.tool-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--brand-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
}

.tool-link:hover {
    color: var(--brand-secondary);
    gap: var(--space-md);
}

.tool-category {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--bg-muted);
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-full);
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
}

/* ============================================
   AI TOOL INTERFACE
   ============================================ */
.app-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.app-header {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    background: var(--bg-gradient-light);
    border-radius: var(--border-radius-xl);
    margin-bottom: var(--space-2xl);
}

.app-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.app-title {
    font-size: var(--font-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.app-title-ml {
    font-family: var(--font-malayalam);
    font-size: var(--font-2xl);
    color: var(--brand-primary);
    display: block;
    margin-top: var(--space-xs);
}

.app-description {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: var(--space-lg);
    justify-content: center;
}

.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
}

.breadcrumbs a:hover {
    color: var(--brand-primary);
}

.breadcrumbs .separator {
    color: var(--text-muted);
}

/* Tool Form */
.tool-form {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-2xl);
}

/* App Form */
.app-form {
    margin-bottom: var(--space-xl);
}

.app-form .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

/* Results Area */
.app-results {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-xl);
    padding: var(--space-2xl);
    margin-top: var(--space-xl);
    border: 2px solid var(--border-color);
}

.results-title {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.result-primary {
    background: var(--bg-primary);
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.result-label {
    display: block;
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.result-value {
    display: block;
    font-size: var(--font-4xl);
    font-weight: 700;
    color: var(--brand-primary);
    line-height: 1.2;
}

.results-breakdown {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
}

/* Loading State */
.app-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
    gap: var(--space-lg);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-muted);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-size: var(--font-lg);
    color: var(--text-secondary);
}

/* Error State */
.app-error {
    padding: var(--space-lg);
    background: #FEF2F2;
    border-left: 4px solid var(--color-danger);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
    color: var(--color-danger);
}

.app-error ul {
    margin: var(--space-sm) 0 0 var(--space-lg);
}

/* Success State */
.app-success {
    padding: var(--space-lg);
    background: #ECFDF5;
    border-left: 4px solid var(--color-success);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
    color: #065F46;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-label-ml {
    font-family: var(--font-malayalam);
    font-size: var(--font-lg);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--font-base);
    font-family: inherit;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    transition: var(--transition-base);
    min-height: 48px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-help {
    display: block;
    margin-top: var(--space-sm);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

/* Code Input */
.form-code {
    font-family: var(--font-code);
    font-size: var(--font-sm);
    line-height: 1.5;
    background: var(--bg-dark);
    color: #E2E8F0;
    border-color: var(--bg-dark);
    min-height: 200px;
}

.form-code:focus {
    border-color: var(--brand-secondary);
}

/* ============================================
   CODE DISPLAY
   ============================================ */
.code-block {
    background: var(--bg-dark);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin: var(--space-lg) 0;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-language {
    font-size: var(--font-sm);
    color: var(--text-muted);
    font-weight: 600;
}

.code-copy-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-sm);
    transition: var(--transition-base);
}

.code-copy-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-inverse);
}

.code-content {
    padding: var(--space-lg);
    overflow-x: auto;
}

.code-content pre {
    margin: 0;
    font-family: var(--font-code);
    font-size: var(--font-sm);
    line-height: 1.6;
    color: #E2E8F0;
}

/* Line numbers */
.code-line {
    display: flex;
}

.line-number {
    flex-shrink: 0;
    width: 3em;
    text-align: right;
    padding-right: var(--space-md);
    color: var(--text-muted);
    user-select: none;
}

.line-content {
    flex: 1;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    padding: var(--space-3xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    text-align: center;
    padding: var(--space-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-gradient-light);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--space-lg);
}

.feature-title {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.feature-description {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    line-height: 1.6;
}

/* ============================================
   BLOG SECTION
   ============================================ */
.blog-section {
    padding: var(--space-3xl) 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.blog-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.blog-thumbnail {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.blog-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.blog-card:hover .blog-thumbnail img {
    transform: scale(1.05);
}

.blog-content {
    padding: var(--space-lg);
}

.blog-category {
    display: inline-block;
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--brand-primary);
    margin-bottom: var(--space-sm);
}

.blog-title {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.blog-title a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

.blog-title a:hover {
    color: var(--brand-primary);
}

.blog-excerpt {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-xs);
    color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--bg-dark);
    color: var(--text-inverse);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: var(--font-malayalam);
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: var(--space-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-sm);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.footer-title {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--text-inverse);
}

.footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-menu li {
    margin-bottom: var(--space-sm);
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--font-sm);
    transition: var(--transition-base);
}

.footer-menu a:hover {
    color: var(--text-inverse);
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    color: var(--text-inverse);
    text-decoration: none;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--brand-primary);
    transform: translateY(-3px);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    font-size: var(--font-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: var(--font-sm);
    transition: var(--transition-base);
}

.footer-legal a:hover {
    color: var(--text-inverse);
}

/* ============================================
   PAGE TEMPLATES
   ============================================ */
.page-header {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    background: var(--bg-gradient-light);
    margin-bottom: var(--space-2xl);
}

.page-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.page-title {
    font-size: var(--font-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.page-description {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.page-content {
    padding: var(--space-2xl) 0;
}

.content-section {
    margin-bottom: var(--space-2xl);
}

.content-section h2 {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.content-section h3 {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--space-xl) 0 var(--space-md);
}

.content-section p {
    line-height: 1.8;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.content-section ul,
.content-section ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.content-section li {
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

/* ============================================
   WIDGETS / SIDEBAR
   ============================================ */
.widget {
    background: var(--bg-primary);
    padding: var(--space-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
}

.widget-title {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--brand-primary);
}

.widget-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.widget-list li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.widget-list li:last-child {
    border-bottom: none;
}

.widget-list a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

.widget-list a:hover {
    color: var(--brand-primary);
}

/* ============================================
   404 PAGE
   ============================================ */
.error-404 {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.error-title {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.error-description {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-brand { color: var(--brand-primary); }

.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-gradient { background: var(--bg-gradient); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.sr-only:focus {
    position: fixed;
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    padding: var(--space-md) var(--space-lg);
    margin: 0;
    overflow: visible;
    clip: auto;
    background: var(--brand-primary);
    color: white;
    z-index: 10000;
    font-weight: 600;
    text-decoration: none;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Small tablets (640px+) */
@media (min-width: 640px) {
    .hero-title {
        font-size: var(--font-4xl);
    }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets (768px+) */
@media (min-width: 768px) {
    .hero-section {
        padding: var(--space-3xl) 0 var(--space-3xl);
    }

    .hero-title {
        font-size: var(--font-5xl);
    }

    .section {
        padding: var(--space-3xl) 0;
    }
}

/* Laptops (1024px+) */
@media (min-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

/* Mobile styles (max-width: 1023px) */
@media (max-width: 1023px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-navigation {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        padding: var(--space-xl);
        z-index: var(--z-modal);
        overflow-y: auto;
    }

    .main-navigation.active {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
    }

    .nav-menu a {
        padding: var(--space-md);
        font-size: var(--font-lg);
    }

    .nav-menu .sub-menu {
        position: static;
        display: block;
        box-shadow: none;
        padding-left: var(--space-lg);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Small mobile (max-width: 639px) */
@media (max-width: 639px) {
    :root {
        --font-5xl: 2.5rem;
        --font-4xl: 2rem;
        --font-3xl: 1.75rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .trust-signals {
        gap: var(--space-xl);
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .site-header,
    .site-footer,
    .mobile-menu-toggle,
    .btn,
    .social-links {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .container {
        max-width: 100%;
    }
}

/* ============================================
   REACT APP MOUNT POINTS
   ============================================ */
#nirmithabudhi-app {
    min-height: 400px;
}

#code-explainer-app,
#quiz-generator-app,
#concept-explainer-app,
#seo-generator-app,
#content-summarizer-app,
#social-generator-app {
    min-height: 500px;
}

/* React App Loading State */
.react-app-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-xl);
}

/* === CSS SUPPLEMENT v1.0 === */
/* Universal supplement for generated themes - appends missing components */
/* Uses existing :root variables (--brand-primary, --brand-secondary, etc.) */

/* --- Variable Aliases (page-app.php template compat) --- */
:root {
    --spacing-xs: var(--space-xs, 4px);
    --spacing-sm: var(--space-sm, 8px);
    --spacing-md: var(--space-md, 16px);
    --spacing-lg: var(--space-lg, 24px);
    --spacing-xl: var(--space-xl, 32px);
    --spacing-2xl: var(--space-2xl, 48px);
    --spacing-3xl: var(--space-3xl, 64px);
    --bg-white: var(--bg-primary, #fff);
    --bg-light: var(--bg-secondary, #f8f9fa);
    --bg-gray: var(--bg-muted, #ecf0f1);
    --font-size-xs: var(--font-xs, 12px);
    --font-size-sm: var(--font-sm, 14px);
    --font-size-base: var(--font-base, 16px);
    --font-size-lg: var(--font-lg, 18px);
    --font-size-xl: var(--font-xl, 20px);
    --font-size-2xl: var(--font-2xl, 24px);
    --font-size-3xl: var(--font-3xl, 32px);
    --font-size-4xl: var(--font-4xl, 48px);
    --font-weight-bold: 700;
    --font-weight-semibold: 600;
    --primary-color: var(--brand-primary, #1565C0);
    --secondary-color: var(--brand-secondary, #42A5F5);
    --accent-color: var(--brand-accent, #0D47A1);
    --success-color: var(--color-success, #27AE60);
    --warning-color: var(--color-warning, #F39C12);
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-modal: 1030;
    --transition-fast: all 0.15s ease;
    --transition-base: all 0.3s ease;
    --height-input: 44px;
    --height-button: 44px;
    --border-color: var(--border-color, #E0E6ED);
    --border-radius: var(--border-radius, 6px);
    --border-radius-sm: var(--border-radius-sm, 4px);
    --border-radius-lg: var(--border-radius-lg, 12px);
    --shadow-sm: var(--shadow-sm, 0 2px 4px rgba(0,0,0,0.08));
    --shadow-md: var(--shadow-md, 0 4px 6px rgba(0,0,0,0.1));
    --shadow-lg: var(--shadow-lg, 0 10px 15px rgba(0,0,0,0.1));
    --text-primary: var(--text-primary, #2C3E50);
    --text-secondary: var(--text-secondary, #7F8C8D);
    --text-muted: var(--text-muted, #95A5A6);
    --text-inverse: var(--text-inverse, #fff);
    --bg-dark: var(--bg-dark, #1a1a2e);
}

/* --- Grid System --- */
.grid { display: grid; gap: var(--space-lg, 24px); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* --- Tool Interface & Results --- */
.tool-interface { max-width: 800px; margin: 0 auto; padding: var(--space-xl, 32px); background: var(--bg-primary, #fff); border: 1px solid var(--border-color, #E0E6ED); border-radius: var(--border-radius-lg, 12px); box-shadow: var(--shadow-md, 0 4px 6px rgba(0,0,0,0.1)); }
.tool-interface h2 { font-size: var(--font-2xl, 24px); color: var(--brand-primary, #1565C0); margin-bottom: var(--space-lg, 24px); text-align: center; }
.tool-form { margin-bottom: var(--space-xl, 32px); }
.tool-results { padding: var(--space-xl, 32px); background: var(--bg-secondary, #f8f9fa); border-radius: var(--border-radius, 6px); margin-top: var(--space-xl, 32px); border: 1px solid var(--border-color, #E0E6ED); }
.tool-results h3 { font-size: var(--font-xl, 20px); color: var(--brand-primary, #1565C0); margin-bottom: var(--space-lg, 24px); text-align: center; }
.tool-results h4 { font-size: var(--font-lg, 18px); color: var(--text-primary, #2C3E50); margin-bottom: var(--space-md, 16px); }
.result-highlight { display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: var(--space-md, 16px); padding: var(--space-xl, 32px); background: linear-gradient(135deg, var(--brand-primary, #1565C0), var(--brand-secondary, #42A5F5)); color: #fff; border-radius: var(--border-radius-lg, 12px); text-align: center; margin-bottom: var(--space-lg, 24px); }
.result-big { font-size: var(--font-3xl, 32px); font-weight: 800; display: inline-block; }
.result-label { font-size: var(--font-sm, 14px); opacity: 0.85; text-transform: uppercase; letter-spacing: 0.5px; display: inline-block; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: var(--space-md, 16px); text-align: left; border-bottom: 1px solid var(--border-color, #E0E6ED); }
.data-table th { background: var(--bg-secondary, #f8f9fa); font-weight: 600; }
.data-table tr:hover { background: var(--bg-secondary, #f8f9fa); }

/* --- Form Enhancements --- */
.form-group label { display: block; margin-bottom: var(--space-sm, 8px); font-weight: 600; color: var(--text-primary, #2C3E50); }
.tool-form input[type="text"], .tool-form input[type="number"], .tool-form input[type="date"], .tool-form input[type="time"], .tool-form input[type="email"],
.tool-form select, .tool-form textarea { width: 100%; padding: 12px 16px; font-size: var(--font-base, 16px); color: var(--text-primary, #2C3E50); background: var(--bg-primary, #fff); border: 1px solid var(--border-color, #E0E6ED); border-radius: var(--border-radius-sm, 4px); transition: var(--transition-fast, all 0.15s ease); min-height: var(--height-input, 44px); box-sizing: border-box; }
.tool-form input:focus, .tool-form select:focus { outline: none; border-color: var(--brand-primary, #1565C0); box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg, 24px); }
.btn-full { width: 100%; }

/* --- Notices --- */
.notice { padding: var(--space-lg, 24px); border-radius: var(--border-radius, 6px); margin-bottom: var(--space-lg, 24px); }
.notice-success { background: rgba(39,174,96,0.1); border: 1px solid var(--color-success, #27AE60); color: #1a6b3a; }
.notice-warning { background: rgba(243,156,18,0.1); border: 1px solid var(--color-warning, #F39C12); color: #8a6914; }
.notice-error { background: rgba(231,76,60,0.1); border: 1px solid var(--color-danger, #E74C3C); color: #a93226; }
.notice-info { background: rgba(52,152,219,0.1); border: 1px solid var(--color-info, #3498DB); color: #1a6b9e; }

/* --- Typography Utilities --- */
.text-primary { color: var(--text-primary, #2C3E50) !important; }
.text-secondary { color: var(--text-secondary, #7F8C8D) !important; }
.text-muted { color: var(--text-muted, #95A5A6) !important; }
.text-success { color: var(--color-success, #27AE60) !important; }
.text-center { text-align: center !important; }
.font-xs { font-size: var(--font-xs, 12px) !important; }
.font-sm { font-size: var(--font-sm, 14px) !important; }
.font-base { font-size: var(--font-base, 16px) !important; }
.font-lg { font-size: var(--font-lg, 18px) !important; }
.font-xl { font-size: var(--font-xl, 20px) !important; }
.font-2xl { font-size: var(--font-2xl, 24px) !important; }
.font-3xl { font-size: var(--font-3xl, 32px) !important; }
.font-bold { font-weight: 700 !important; }

/* --- Spacing Utilities --- */
.m-0 { margin: 0 !important; }
.mt-xs { margin-top: var(--space-xs, 4px) !important; }
.mt-sm { margin-top: var(--space-sm, 8px) !important; }
.mt-md { margin-top: var(--space-md, 16px) !important; }
.mt-lg { margin-top: var(--space-lg, 24px) !important; }
.mt-xl { margin-top: var(--space-xl, 32px) !important; }
.mt-2xl { margin-top: var(--space-2xl, 48px) !important; }
.mb-xs { margin-bottom: var(--space-xs, 4px) !important; }
.mb-sm { margin-bottom: var(--space-sm, 8px) !important; }
.mb-md { margin-bottom: var(--space-md, 16px) !important; }
.mb-lg { margin-bottom: var(--space-lg, 24px) !important; }
.mb-xl { margin-bottom: var(--space-xl, 32px) !important; }
.mb-2xl { margin-bottom: var(--space-2xl, 48px) !important; }
.pt-lg { padding-top: var(--space-lg, 24px) !important; }
.pb-lg { padding-bottom: var(--space-lg, 24px) !important; }

/* --- Display Utilities --- */
.d-none { display: none !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }
.flex-wrap { flex-wrap: wrap !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.align-center { align-items: center !important; }
.gap-sm { gap: var(--space-sm, 8px) !important; }
.gap-md { gap: var(--space-md, 16px) !important; }
.gap-lg { gap: var(--space-lg, 24px) !important; }
.badge { display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: var(--font-sm, 14px); background: var(--bg-muted, #ecf0f1); color: var(--text-secondary, #7F8C8D); }
.badge-success { background: rgba(39,174,96,0.15); color: #1a6b3a; }
.badge-warning { background: rgba(243,156,18,0.15); color: #8a6914; }

/* --- Header Styles --- */
.site-header { background: var(--bg-primary, #fff); box-shadow: var(--shadow-md, 0 4px 6px rgba(0,0,0,0.1)); position: sticky; top: 0; z-index: 1020; padding: 0; border-bottom: 3px solid var(--brand-primary, #1565C0); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 70px; gap: var(--space-lg, 24px); }
.site-branding { flex-shrink: 0; }
.site-branding .custom-logo-link img, .site-branding .site-logo img { max-height: 50px; width: auto; display: block; }
a.site-logo { display: flex; align-items: center; gap: var(--space-sm, 8px); text-decoration: none; color: var(--brand-primary, #1565C0); }
.logo-icon { font-size: 28px; line-height: 1; }
.logo-main { font-size: var(--font-2xl, 24px); font-weight: 800; color: var(--brand-primary, #1565C0); letter-spacing: -0.5px; }
.site-description { margin: 0; font-size: var(--font-sm, 14px); color: var(--text-secondary, #7F8C8D); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 350px; }
.main-navigation { display: flex; align-items: center; flex-grow: 1; justify-content: flex-end; }
.nav-menu, #primary-menu { list-style: none !important; margin: 0 !important; padding: 0 !important; display: flex !important; align-items: center; gap: var(--space-xs, 4px); }
.nav-menu li, #primary-menu li { list-style: none !important; position: relative; margin: 0 !important; }
.nav-menu li::before, #primary-menu li::before { display: none !important; content: none !important; }
.nav-menu a, #primary-menu a { display: block; padding: var(--space-sm, 8px) var(--space-md, 16px); color: var(--text-primary, #2C3E50); text-decoration: none; font-weight: 500; font-size: var(--font-base, 16px); border-radius: var(--border-radius-sm, 4px); transition: var(--transition-fast, all 0.15s ease); white-space: nowrap; position: relative; }
.nav-menu a:hover, #primary-menu a:hover { color: var(--brand-primary, #1565C0); background: rgba(21,101,192,0.06); }
.nav-menu .current-menu-item a, #primary-menu .current-menu-item a, .nav-menu .current_page_item a { color: var(--brand-primary, #1565C0); font-weight: 700; }
.nav-menu a::after, #primary-menu a::after { content: ''; position: absolute; bottom: 2px; left: 16px; right: 16px; height: 2px; background: var(--brand-primary, #1565C0); transform: scaleX(0); transition: transform 0.2s ease; }
.nav-menu a:hover::after, #primary-menu a:hover::after, .nav-menu .current-menu-item a::after, #primary-menu .current_page_item a::after { transform: scaleX(1); }
.nav-menu .sub-menu, #primary-menu .sub-menu { position: absolute; top: 100%; left: 0; background: var(--bg-primary, #fff); box-shadow: var(--shadow-lg, 0 10px 15px rgba(0,0,0,0.1)); border-radius: var(--border-radius, 6px); padding: var(--space-sm, 8px) 0; min-width: 200px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: var(--transition-fast, all 0.15s ease); z-index: 1000; list-style: none !important; }
.nav-menu li:hover > .sub-menu, #primary-menu li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-menu-toggle { display: none; background: none; border: 2px solid var(--brand-primary, #1565C0); border-radius: var(--border-radius-sm, 4px); padding: var(--space-sm, 8px) var(--space-md, 16px); cursor: pointer; color: var(--brand-primary, #1565C0); font-size: var(--font-xl, 20px); line-height: 1; }
.mobile-menu-toggle:hover { background: var(--brand-primary, #1565C0); color: #fff; }

/* --- Footer Styles --- */
.site-footer#colophon { background: var(--bg-dark, #1a1a2e) !important; color: rgba(255,255,255,0.85); padding: 48px 0 24px; margin-top: 64px; }
.footer-content { display: grid; grid-template-columns: repeat(4, 1fr); gap: 48px; margin-bottom: 48px; }
.footer-section h3 { color: #fff; font-size: var(--font-lg, 18px); font-weight: 700; margin-bottom: 24px; padding-bottom: 8px; border-bottom: 2px solid var(--brand-secondary, #42A5F5); }
.footer-section p { color: rgba(255,255,255,0.7); line-height: 1.7; font-size: var(--font-sm, 14px); }
.footer-menu, .footer-tools { list-style: none !important; padding: 0 !important; margin: 0 !important; }
.footer-menu li, .footer-tools li { list-style: none !important; margin-bottom: 8px; }
.footer-menu li::before, .footer-tools li::before { display: none !important; content: none !important; }
.footer-menu a, .footer-tools a { color: rgba(255,255,255,0.65); text-decoration: none; font-size: var(--font-sm, 14px); transition: var(--transition-fast, all 0.15s ease); display: inline-flex; align-items: center; gap: 4px; padding: 2px 0; }
.footer-menu a:hover, .footer-tools a:hover { color: var(--brand-secondary, #42A5F5); transform: translateX(4px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.footer-info p, .footer-credit p { margin: 0 0 4px; font-size: var(--font-sm, 14px); color: rgba(255,255,255,0.5); }
.footer-credit { display: none; }
.social-links { display: flex; gap: 16px; margin-top: 24px; }
.social-links a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.1); border-radius: 50%; color: #fff; transition: var(--transition-base, all 0.3s ease); text-decoration: none; }
.social-links a:hover { background: var(--brand-secondary, #42A5F5); transform: translateY(-3px); }
.newsletter-form { margin-top: 16px; }
.newsletter-form input { padding: 8px 16px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); border-radius: var(--border-radius, 6px); color: #fff; }
.newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter-form button { padding: 8px 24px; background: var(--brand-secondary, #42A5F5); color: #fff; border: none; border-radius: var(--border-radius, 6px); cursor: pointer; }

/* --- OceanWP Overrides --- */
#site-header.header-style-1, #site-header-inner, #top-bar-wrap, .oceanwp-mobile-menu-icon, #mobile-fullscreen, #footer.site-footer, #footer-bottom { display: none !important; }
header#masthead.site-header { display: block !important; visibility: visible !important; }
footer#colophon.site-footer { display: block !important; visibility: visible !important; }

/* --- Breadcrumbs --- */
.breadcrumbs { display: flex; align-items: center; gap: 8px; padding: 16px 0; font-size: var(--font-sm, 14px); color: var(--text-muted, #95A5A6); }
.breadcrumbs a { color: var(--text-secondary, #7F8C8D); text-decoration: none; }
.breadcrumbs a:hover { color: var(--brand-primary, #1565C0); }

/* --- Sidebar/Widget --- */
.sidebar, .widget { margin-bottom: 32px; padding: 24px; background: var(--bg-primary, #fff); border: 1px solid var(--border-color, #E0E6ED); border-radius: var(--border-radius, 6px); }

/* --- Pagination --- */
.pagination { display: flex; justify-content: center; gap: 8px; margin: 48px 0; flex-wrap: wrap; }
.pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 8px 16px; background: var(--bg-primary, #fff); color: var(--text-primary, #2C3E50); text-decoration: none; border: 1px solid var(--border-color, #E0E6ED); border-radius: var(--border-radius, 6px); }
.pagination .page-numbers:hover, .pagination .page-numbers.current { background: var(--brand-primary, #1565C0); color: #fff; }

/* --- Responsive --- */
@media (max-width: 992px) {
    .mobile-menu-toggle { display: block; }
    .main-navigation { position: fixed; top: 0; right: -320px; width: 300px; height: 100vh; background: var(--bg-primary, #fff); box-shadow: var(--shadow-lg); transition: right 0.3s ease; z-index: 1030; overflow-y: auto; padding: 64px 24px 24px; flex-direction: column; justify-content: flex-start; }
    .main-navigation.mobile-active { right: 0; }
    .nav-menu, #primary-menu { flex-direction: column !important; width: 100%; gap: 0 !important; }
    .nav-menu li, #primary-menu li { width: 100%; }
    .nav-menu a, #primary-menu a { padding: 16px 24px; border-bottom: 1px solid var(--border-color, #E0E6ED); border-radius: 0; font-size: var(--font-lg, 18px); }
    .nav-menu a::after, #primary-menu a::after { display: none; }
    .nav-menu .sub-menu, #primary-menu .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; padding-left: 24px; min-width: auto; }
    .footer-content { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .site-description { display: none; }
}
@media (max-width: 600px) {
    .header-inner { min-height: 56px; }
    .logo-main { font-size: var(--font-lg, 18px); }
    .site-branding .custom-logo-link img, .site-branding .site-logo img { max-height: 38px; }
    .footer-content { grid-template-columns: 1fr; gap: 24px; text-align: center; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .result-highlight { flex-direction: column; padding: 24px; }
    .result-big { font-size: var(--font-2xl, 24px); }
    .tool-interface { padding: 16px; }
}
@media print { .no-print, .btn, .cookie-consent { display: none !important; } }
/* === END CSS SUPPLEMENT v1.0 === */

/* === CSS PATCH v1.1 === */
/* Fix: footer without #colophon ID, nav spacing, alt footer classes */

/* Footer - broader selectors */
.site-footer, footer.site-footer {
    background: var(--bg-dark, #1a1a2e) !important;
    color: rgba(255,255,255,0.85) !important;
    padding: 48px 0 24px !important;
    margin-top: 64px !important;
}
.site-footer .footer-content,
.site-footer .tool-showcase-footer,
.site-footer .footer-widgets {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 48px !important;
    margin-bottom: 48px !important;
}
.site-footer h3, .site-footer .widget-title {
    color: #fff !important;
    font-size: 18px !important;
    font-weight: 700 !important;
    margin-bottom: 24px !important;
    padding-bottom: 8px !important;
    border-bottom: 2px solid var(--brand-secondary, #42A5F5) !important;
}
.site-footer p { color: rgba(255,255,255,0.7) !important; }
.site-footer ul { list-style: none !important; padding: 0 !important; margin: 0 !important; }
.site-footer ul li { list-style: none !important; margin-bottom: 8px !important; }
.site-footer ul li::before { display: none !important; content: none !important; }
.site-footer a { color: rgba(255,255,255,0.65) !important; text-decoration: none !important; }
.site-footer a:hover { color: var(--brand-secondary, #42A5F5) !important; }
.site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1) !important; padding-top: 24px !important; }
.site-footer .footer-bottom p, .site-footer .footer-info p, .site-footer .footer-credit p { color: rgba(255,255,255,0.5) !important; }
.site-footer .footer-credit { display: none !important; }

/* Nav spacing fix */
.nav-menu, #primary-menu { gap: var(--space-xs, 4px) !important; }
.nav-menu a, #primary-menu a { padding: 8px 14px !important; }

/* Hide OceanWP bottom bar that appears under footer */
#footer-bottom, .footer-bottom-bar { display: none !important; }

/* Tool showcase footer compat */
.tool-showcase-footer { margin-bottom: 48px !important; }
.tool-showcase-footer h3 { color: #fff !important; }
.tool-showcase-footer a { color: rgba(255,255,255,0.65) !important; }
.tool-showcase-footer a:hover { color: var(--brand-secondary, #42A5F5) !important; }

@media (max-width: 992px) {
    .site-footer .footer-content, .site-footer .tool-showcase-footer, .site-footer .footer-widgets { grid-template-columns: repeat(2, 1fr) !important; gap: 32px !important; }
}
@media (max-width: 600px) {
    .site-footer .footer-content, .site-footer .tool-showcase-footer, .site-footer .footer-widgets { grid-template-columns: 1fr !important; gap: 24px !important; text-align: center !important; }
}
/* === END PATCH v1.1 === */