/* ============================================
   Text Optimizer Pro - Main Stylesheet
   Professional Text Optimization Studio
   ============================================ */

/* CSS Variables for Theming */
:root {
    --primary-color: #4A90D9;
    --primary-dark: #357ABD;
    --primary-light: #6BA5E0;
    --secondary-color: #50C878;
    --secondary-dark: #3DA85F;
    --accent-color: #FF6B6B;
    --warning-color: #FFA500;
    --danger-color: #DC3545;
    --success-color: #28A745;
    
    --text-primary: #2C3E50;
    --text-secondary: #5A6C7D;
    --text-light: #7F8C8D;
    --text-white: #FFFFFF;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #E9ECEF;
    --bg-dark: #1A1A1A;
    
    --border-color: #DEE2E6;
    --border-light: #E9ECEF;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --text-primary: #E9ECEF;
    --text-secondary: #ADB5BD;
    --text-light: #6C757D;
    
    --bg-primary: #1A1A1A;
    --bg-secondary: #212529;
    --bg-tertiary: #2C3034;
    --bg-dark: #000000;
    
    --border-color: #343A40;
    --border-light: #2C3034;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 var(--border-radius) 0;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   Header Styles
   ============================================ */
.header {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo a {
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
    transition: var(--transition);
}

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

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    height: 2.2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--border-radius);
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hamburger {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Navigation */
.main-nav {
    flex: 1;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

/* Dropdown Menu */
.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    min-width: 280px;
    max-height: 500px;
    overflow-y: auto;
    list-style: none;
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-fast);
    font-size: var(--font-size-sm);
}

.dropdown li a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding-left: var(--spacing-xl);
}

/* Top Bar */
.top-bar {
    background: #111;
    color: #ccc;
    padding: 0.5rem 0;
    position: relative;
    z-index: 1001;
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-bar-left {
    display: flex;
    align-items: center;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Top Bar Social Icons */
.social-share-icons {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.social-share-icons .social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.7rem;
    height: 1.7rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #ccc;
    transition: var(--transition);
}

.social-share-icons .social-icon:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-1px);
}

/* Top Bar Donate Buttons */
.btn-donate-sm,
.btn-coffee-sm {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-donate-sm {
    background: linear-gradient(135deg, #DC3545, #c82333);
    color: #fff;
}

.btn-donate-sm:hover {
    background: linear-gradient(135deg, #c82333, #bd2130);
    transform: translateY(-1px);
}

.btn-coffee-sm {
    background: linear-gradient(135deg, #FF813F, #F4B942);
    color: #fff;
}

.btn-coffee-sm:hover {
    background: linear-gradient(135deg, #F4B942, #FF813F);
    transform: translateY(-1px);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Language Switcher */
.language-switcher select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition);
    min-width: 120px;
}

.language-switcher select:hover {
    border-color: var(--primary-color);
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   Button Styles
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-secondary.active,
.btn-outline.active {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-donate {
    background: linear-gradient(135deg, #FF6B6B, #FF4757);
    color: var(--text-white);
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

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

.btn-coffee {
    background: linear-gradient(135deg, #F39C12, #E67E22);
    color: var(--text-white);
    width: 100%;
}

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

/* ============================================
   Main Content
   ============================================ */
.main-content {
    min-height: calc(100vh - 300px);
    padding: var(--spacing-xxl) 0;
}

/* ============================================
   Advertisement Styles
   ============================================ */
.ad-container {
    margin: var(--spacing-lg) auto;
    text-align: center;
}

.ad-top {
    max-width: 728px;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.ad-rotation {
    position: relative;
    overflow: hidden;
}

.ad-slide {
    display: none;
    animation: fadeIn 0.5s;
}

.ad-slide.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.ad-label {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ad-placeholder {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--border-light));
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    color: var(--text-light);
    font-weight: 500;
}

.ad-box {
    width: 160px;
    height: 600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
}

.ad-box-responsive {
    padding: var(--spacing-xl);
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
}

/* Sidebar Ads */
.sidebar-ad {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    width: 200px;
}

.sidebar-ad-top {
    left: 20px;
}

.sidebar-ad-bottom {
    right: 20px;
}

.sidebar-ad-content {
    position: sticky;
    top: 100px;
}

.ad-content-mid {
    max-width: 100%;
    margin: var(--spacing-xxl) 0;
}

.ad-footer {
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
}

/* ============================================
   Footer Styles
   ============================================ */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.footer-column h3 {
    color: var(--text-white);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--primary-color);
}

.footer-column p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.social-icons-footer {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icons-footer .social-icon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.social-icons-footer .social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.donation-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ============================================
   Cookie Notice
   ============================================ */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg) 0;
    z-index: 9999;
    border-top: 3px solid var(--primary-color);
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    min-width: 300px;
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.cookie-learn-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.cookie-learn-more:hover {
    text-decoration: underline;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Loading Spinner
   ============================================ */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--text-white);
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Alert Messages
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-success {
    background: #D4EDDA;
    color: #155724;
    border-color: var(--success-color);
}

.alert-error {
    background: #F8D7DA;
    color: #721C24;
    border-color: var(--danger-color);
}

.alert-warning {
    background: #FFF3CD;
    color: #856404;
    border-color: var(--warning-color);
}

.alert-info {
    background: #D1ECF1;
    color: #0C5460;
    border-color: var(--primary-color);
}

/* ============================================
   Form Styles
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Card Styles
   ============================================ */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    padding: var(--spacing-xxl) 0;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ============================================
   Tools Section
   ============================================ */
.tools-section {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.tool-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    display: block;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.tool-card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.tool-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

.tool-card-link {
    color: var(--primary-color);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-donate,
.cta-buttons .btn-coffee {
    width: auto;
    min-width: 200px;
}

/* ============================================
   Form Layout
   ============================================ */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
}

.checkbox-label:hover {
    background: var(--bg-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* ============================================
   Results Grid
   ============================================ */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.result-item {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
}

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

.result-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
}

/* ============================================
   Privacy/Terms Content
   ============================================ */
.privacy-content {
    line-height: 1.8;
}

.privacy-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.privacy-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.privacy-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.privacy-content ul {
    margin-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.privacy-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.privacy-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.privacy-content a:hover {
    text-decoration: underline;
}

/* ============================================
   Ad Info Section
   ============================================ */
.ad-info {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
}

.ad-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.ad-info ul {
    list-style: none;
    padding: 0;
}

.ad-info li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.ad-info li::before {
    content: "✓ ";
    color: var(--success-color);
    font-weight: bold;
    margin-right: var(--spacing-sm);
}

/* ============================================
   Contact Form
   ============================================ */
.contact-form {
    max-width: 600px;
}

/* ============================================
   Report/Suggestions List
   ============================================ */
.report-list,
.suggestions-list {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
}

.report-item,
.suggestion-item {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border-left: 3px solid var(--primary-color);
}

.report-item:last-child,
.suggestion-item:last-child {
    margin-bottom: 0;
}

.no-suggestions {
    color: var(--text-light);
    text-align: center;
    padding: var(--spacing-xl);
    font-style: italic;
}

/* ============================================
   Tool Page Styles
   ============================================ */
.tool-container {
    max-width: 900px;
    margin: 0 auto;
}

.tool-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.tool-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.tool-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.tool-box {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-xl);
}

.tool-input,
.tool-output {
    width: 100%;
    min-height: 300px;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-base);
    line-height: 1.6;
    resize: vertical;
    transition: var(--transition);
}

.tool-input:focus,
.tool-output:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.tool-output {
    background: var(--bg-secondary);
}

.tool-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.tool-options {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.tool-results {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.result-value {
    font-weight: 600;
    color: var(--primary-color);
}

/* ============================================
   Tips Box
   ============================================ */
.tips-box {
    background: linear-gradient(135deg, #FFF9E6, #FFF3CD);
    border-left: 4px solid var(--warning-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-xl);
}

.tips-box h4 {
    color: #856404;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tips-box p {
    color: #856404;
    margin: 0;
    line-height: 1.6;
}

[data-theme="dark"] .tips-box {
    background: linear-gradient(135deg, #3D3206, #5A4A1F);
}

[data-theme="dark"] .tips-box h4,
[data-theme="dark"] .tips-box p {
    color: #FFE69C;
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg);
        transform: translateX(-100%);
        transition: var(--transition);
        z-index: 999;
    }

    .main-nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .dropdown {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: var(--spacing-lg);
        max-height: none;
        display: none;
    }

    .has-dropdown.active .dropdown {
        display: block;
    }

    .header-actions {
        display: none;
    }

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

    .sidebar-ad {
        display: none;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cookie-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .tool-title {
        font-size: 1.75rem;
    }

    .tool-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}