/* WhatsApp SaaS Platform - Beyaz + Yeşil Tema */

:root {
    --primary: #25D366;
    --primary-dark: #128C7E;
    --primary-light: #34eb7a;
    --secondary: #075E54;
    --accent: #00a8ff;
    --accent-light: #4fc3f7;
    
    /* Beyaz Tema */
    --bg-main: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --bg-sidebar: #1a1a2e;
    
    --text-dark: #1a1a1a;
    --text-body: #333333;
    --text-muted: #6c757d;
    --text-light: #ffffff;
    
    --border-color: #e0e0e0;
    --border-light: #f0f0f0;
    
    --danger: #e74c3c;
    --warning: #f39c12;
    --success: #27ae60;
    
    --gradient-primary: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    --gradient-light: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 30px rgba(37, 211, 102, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-body);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: var(--bg-main);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand i {
    font-size: 1.8rem;
}

.navbar-nav {
    display: flex;
    gap: 30px;
    list-style: none;
}

.navbar-nav a {
    color: var(--text-body);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.navbar-nav a:hover {
    background: rgba(37, 211, 102, 0.1);
    color: var(--primary);
}

.navbar-buttons {
    display: flex;
    gap: 15px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(37, 211, 102, 0.4);
    color: white;
}

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

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

.btn-accent {
    background: linear-gradient(135deg, #00a8ff 0%, #0056b3 100%);
    color: white;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 168, 255, 0.3);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f0fff4 0%, #ffffff 50%, #e8f5e9 100%);
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #1a1a1a 0%, #25D366 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-main);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.pricing-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px 20px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-glow);
}

.pricing-card.popular::before {
    content: 'Popüler';
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.pricing-header p {
    color: var(--text-muted);
    font-size: 0.85rem;
    min-height: 50px;
    line-height: 1.4;
}

.pricing-price {
    margin: 20px 0;
    padding: 15px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.pricing-price .amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.pricing-price .period {
    color: var(--text-muted);
    font-size: 1rem;
}

.pricing-price .per-session {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.pricing-features {
    list-style: none;
    margin: 20px 0;
    padding: 0;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
}

.pricing-features li i {
    color: var(--primary);
    margin-top: 3px;
    flex-shrink: 0;
}

/* Cards */
.card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
}

.form-control::placeholder {
    color: var(--text-muted);
}

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

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.table th {
    background: rgba(37, 211, 102, 0.1);
    color: var(--primary-dark);
    font-weight: 600;
}

.table tbody tr:hover {
    background: var(--bg-secondary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(39, 174, 96, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(243, 156, 18, 0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(231, 76, 60, 0.15);
    color: var(--danger);
}

.badge-info {
    background: rgba(0, 168, 255, 0.15);
    color: var(--accent);
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(0, 168, 255, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
}

/* Sidebar - Koyu tema kalacak */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    padding: 20px;
    border-right: 1px solid rgba(37, 211, 102, 0.2);
    z-index: 100;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand i {
    font-size: 2rem;
    color: var(--primary);
}

.sidebar-brand span {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 5px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    color: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(37, 211, 102, 0.15);
    color: var(--primary);
}

.sidebar-nav a i {
    font-size: 1.2rem;
    width: 24px;
}

.sidebar-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 1px;
    padding: 0 18px;
    margin-bottom: 15px;
}

/* Main Content with Sidebar */
.main-content {
    margin-left: 280px;
    padding: 30px;
    min-height: 100vh;
    background: var(--bg-secondary);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary {
    background: rgba(37, 211, 102, 0.15);
    color: var(--primary);
}

.stat-icon.accent {
    background: rgba(0, 168, 255, 0.15);
    color: var(--accent);
}

.stat-icon.warning {
    background: rgba(243, 156, 18, 0.15);
    color: var(--warning);
}

.stat-icon.danger {
    background: rgba(231, 76, 60, 0.15);
    color: var(--danger);
}

.stat-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
}

.stat-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0fff4 0%, #ffffff 50%, #e8f5e9 100%);
    padding: 20px;
}

.auth-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 50px;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-hover);
}

.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-header i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.auth-header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.auth-header p {
    color: var(--text-muted);
}

.auth-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--bg-main);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-muted);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-light);
    color: var(--text-muted);
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-dark { color: var(--text-dark); }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.d-flex { display: flex; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }

/* Responsive */
@media (max-width: 1200px) {
    .pricing-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    /* Mobile menu toggle button */
    .mobile-menu-toggle {
        display: flex !important;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 1001;
        width: 45px;
        height: 45px;
        background: var(--gradient-primary);
        border: none;
        border-radius: 12px;
        color: white;
        font-size: 1.3rem;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
    
    .mobile-menu-toggle:hover {
        transform: scale(1.05);
    }
    
    /* Sidebar overlay */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .page-header {
        padding-left: 60px;
    }
}

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .pricing-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .auth-card {
        padding: 30px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding-left: 60px;
    }
    
    .page-title {
        font-size: 1.4rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Hide mobile toggle on desktop */
.mobile-menu-toggle {
    display: none;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}