/* ===== RESET & VARIABLES ===== */
:root {
    /* Ana Renkler - Modern Tema */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #8b5cf6;
    --accent-light: #a78bfa;
    
    /* Arka Plan Renkleri */
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #2d3a4f;
    --bg-sidebar: #151f2f;
    --bg-input: #334155;
    
    /* Metin Renkleri */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    
    /* Durum Renkleri */
    --success: #22c55e;
    --success-light: #86efac;
    --warning: #f59e0b;
    --warning-light: #fcd34d;
    --error: #ef4444;
    --error-light: #fca5a5;
    --info: #3b82f6;
    
    /* Gradyanlar */
    --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-secondary: linear-gradient(135deg, #10b981, #34d399);
    --gradient-accent: linear-gradient(135deg, #f59e0b, #fbbf24);
    --gradient-dark: linear-gradient(135deg, #1e293b, #0f172a);
    
    /* Kenarlıklar */
    --border-light: 1px solid rgba(255, 255, 255, 0.1);
    --border-hover: 1px solid rgba(255, 255, 255, 0.2);
    --border-focus: 2px solid var(--primary-light);
    
    /* Gölgeler */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.7);
    
    /* Animasyonlar */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Fontlar */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Monaco', 'Menlo', monospace;
    
    /* Boyutlar */
    --container-max: 1280px;
    --header-height: 70px;
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;
}

/* Light Mode */
@media (prefers-color-scheme: light) {
    :root {
        --bg-dark: #f8fafc;
        --bg-card: #ffffff;
        --bg-card-hover: #f1f5f9;
        --bg-sidebar: #f1f5f9;
        --bg-input: #ffffff;
        --text-primary: #0f172a;
        --text-secondary: #334155;
        --text-muted: #64748b;
        --border-light: 1px solid rgba(0, 0, 0, 0.1);
        --border-hover: 1px solid rgba(0, 0, 0, 0.2);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* ===== ANIMATIONS ===== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes slideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-card);
    border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
    border: 3px solid var(--bg-card);
}

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

/* ===== NAVBAR ===== */
.navbar {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    padding: 0.5rem 0;
    transition: all var(--transition-normal);
}

.logo:hover {
    transform: scale(1.05);
}

.logo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.logo:hover::after {
    width: 100%;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* ===== BUTTONS ===== */
.btn-primary, .btn-outline, .btn-ghost {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary::before, .btn-outline::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 0;
}

.btn-primary:hover::before, .btn-outline:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary span, .btn-outline span {
    position: relative;
    z-index: 1;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    position: relative;
    z-index: 1;
}

.btn-outline:hover {
    color: white;
    border-color: transparent;
}

.btn-outline::before {
    background: var(--gradient-primary);
    z-index: -1;
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-light);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1.5rem;
    animation: slideIn 0.3s ease-out;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--bg-input);
    border: var(--border-light);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
}

.form-input:hover, .form-select:hover, .form-textarea:hover {
    border-color: var(--primary-light);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

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

.form-error {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-error::before {
    content: '⚠️';
    font-size: 1rem;
}

.form-success {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-success::before {
    content: '✅';
    font-size: 1rem;
}

/* ===== AUTH PAGES ===== */
.auth-body {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    animation: scaleIn 0.5s ease-out;
}

.auth-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-2xl);
    border: var(--border-light);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.auth-header h1 {
    font-size: 1.875rem;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.auth-form {
    margin-bottom: 1.5rem;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.forgot-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.forgot-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.auth-divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 30px);
    height: 1px;
    background: var(--border-light);
}

.auth-divider::before {
    left: 0;
}

.auth-divider::after {
    right: 0;
}

.auth-divider span {
    background: var(--bg-card);
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.social-login {
    margin-bottom: 1.5rem;
}

.social-icon {
    font-weight: bold;
    margin-right: 0.5rem;
    font-size: 1.25rem;
}

.auth-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.auth-footer a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Password Strength */
.password-strength {
    height: 6px;
    background: var(--bg-input);
    border-radius: var(--border-radius-full);
    margin-top: 0.75rem;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0;
    transition: all 0.3s;
    border-radius: var(--border-radius-full);
}

.password-requirements {
    list-style: none;
    margin-top: 0.75rem;
    font-size: 0.875rem;
}

.password-requirements li {
    color: var(--text-muted);
    margin-bottom: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--transition-fast);
}

.password-requirements li::before {
    content: '❌';
    font-size: 0.75rem;
}

.password-requirements li.valid {
    color: var(--success);
}

.password-requirements li.valid::before {
    content: '✅';
}

.password-requirements li.invalid::before {
    content: '❌';
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius-md);
    margin-top: 1rem;
    text-align: center;
    animation: slideIn 0.3s ease-out;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid var(--error);
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
    border: 1px solid var(--info);
}

/* ===== TOAST MESSAGES ===== */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-md);
    color: white;
    font-weight: 500;
    animation: slideInRight 0.3s ease-out;
    z-index: 9999;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 350px;
}

.toast.success {
    background: linear-gradient(135deg, var(--success), #16a34a);
}

.toast.error {
    background: linear-gradient(135deg, var(--error), #dc2626);
}

.toast.warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
}

.toast.info {
    background: linear-gradient(135deg, var(--info), #2563eb);
}

.toast::before {
    font-size: 1.25rem;
}

.toast.success::before {
    content: '✅';
}

.toast.error::before {
    content: '❌';
}

.toast.warning::before {
    content: '⚠️';
}

.toast.info::before {
    content: 'ℹ️';
}

/* ===== HERO SECTION ===== */
.hero {
    text-align: center;
    padding: 6rem 2rem;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeIn 1s ease-out;
}

.hero h1 {
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: slideIn 0.5s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: slideIn 0.7s ease-out;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    animation: slideIn 0.9s ease-out;
}

/* Stats */
.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    animation: float 3s ease-in-out infinite;
    padding: 1rem;
}

.stat-item:nth-child(2) {
    animation-delay: 0.2s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.4s;
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 6rem 2rem;
    max-width: var(--container-max);
    margin: 0 auto;
    position: relative;
}

.features h2 {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: var(--border-light);
    backdrop-filter: blur(10px);
    animation: scaleIn 0.5s ease-out;
    animation-fill-mode: both;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(99, 102, 241, 0.2);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.feature-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap var(--transition-fast);
}

.feature-link:hover {
    gap: 1rem;
    color: var(--primary-light);
}

.coming-soon {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-accent);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    animation: pulse 2s infinite;
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: 6rem 2rem;
    max-width: var(--container-max);
    margin: 0 auto;
    background: linear-gradient(180deg, transparent 0%, var(--bg-card) 100%);
}

.pricing h2 {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.pricing h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--bg-card);
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    position: relative;
    transition: all var(--transition-normal);
    border: var(--border-light);
    display: flex;
    flex-direction: column;
    animation: scaleIn 0.5s ease-out;
    animation-fill-mode: both;
}

.pricing-card:nth-child(1) { animation-delay: 0.1s; }
.pricing-card:nth-child(2) { animation-delay: 0.2s; }
.pricing-card:nth-child(3) { animation-delay: 0.3s; }

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

.pricing-card.popular {
    border: 2px solid var(--primary);
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 1.5rem;
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
}

.pricing-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 1rem 0;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
    -webkit-text-fill-color: var(--text-muted);
}

.pricing-card ul {
    list-style: none;
    margin: 2rem 0;
    flex: 1;
}

.pricing-card li {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-card li::before {
    content: '✓';
    color: var(--success);
    font-weight: bold;
    font-size: 1.1rem;
}

.pricing-card li.invalid::before {
    content: '✗';
    color: var(--error);
}

/* ===== TOOL PAGES ===== */
.tool-page {
    flex: 1;
    padding: 3rem 2rem;
    animation: fadeIn 0.5s ease-out;
}

.tool-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.tool-header p {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.credit-info {
    background: var(--bg-card);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-full);
    text-align: center;
    max-width: 400px;
    margin: 0 auto 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: var(--border-light);
    box-shadow: var(--shadow-md);
    animation: glow 3s infinite;
}

.credit-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.credit-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 1rem;
}

.credit-add {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: bold;
    transition: all var(--transition-normal);
}

.credit-add:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.tool-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

.input-section {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    border: var(--border-light);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.5s ease-out;
}

.url-input-group {
    display: flex;
    gap: 1rem;
}

.url-input-group .form-input {
    flex: 1;
}

.input-hint {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-hint::before {
    content: 'ℹ️';
    font-size: 1rem;
}

.output-section {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    min-height: 300px;
    border: var(--border-light);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.5s ease-out 0.1s both;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: var(--border-light);
}

.output-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.output-content {
    min-height: 200px;
    font-family: var(--font-mono);
    line-height: 1.8;
    white-space: pre-wrap;
    background: var(--bg-dark);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    border: var(--border-light);
    color: var(--text-secondary);
}

.placeholder {
    text-align: center;
    color: var(--text-muted);
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.placeholder::before {
    content: '✨';
    font-size: 4rem;
    opacity: 0.5;
    animation: float 3s ease-in-out infinite;
}

.placeholder-small {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ===== HASHTAG STYLES ===== */
.hashtag-container {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-dark);
    border-radius: var(--border-radius-md);
    border: var(--border-light);
}

.hashtag-container h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hashtag-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hashtag-item {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    animation: scaleIn 0.3s ease-out;
    box-shadow: var(--shadow-sm);
}

.hashtag-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* ===== SEO RAPOR ===== */
.seo-report {
    padding: 1rem;
}

.seo-score {
    text-align: center;
    padding: 2rem;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    margin-bottom: 2rem;
    color: white;
    animation: scaleIn 0.5s ease-out;
}

.seo-score h4 {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    text-shadow: var(--shadow-lg);
}

.seo-score p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.seo-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-dark);
    border-radius: var(--border-radius-md);
    border: var(--border-light);
    animation: slideIn 0.3s ease-out;
    animation-fill-mode: both;
}

.seo-section:nth-child(2) { animation-delay: 0.1s; }
.seo-section:nth-child(3) { animation-delay: 0.2s; }
.seo-section:nth-child(4) { animation-delay: 0.3s; }
.seo-section:nth-child(5) { animation-delay: 0.4s; }

.seo-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.seo-section h4::before {
    content: '📊';
    font-size: 1.5rem;
}

.seo-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: var(--border-light);
}

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

.seo-label {
    color: var(--text-muted);
    font-weight: 500;
}

.seo-value {
    font-weight: 600;
}

.seo-value.success {
    color: var(--success);
}

.seo-value.warning {
    color: var(--warning);
}

.seo-value.error {
    color: var(--error);
}

/* ===== LOADING SPINNER ===== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-sidebar);
    margin-top: auto;
    padding: 4rem 2rem 2rem;
    border-top: var(--border-light);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    position: relative;
    display: inline-block;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-section p {
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-section a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: all var(--transition-fast);
    position: relative;
    padding-left: 0;
}

.footer-section a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-section a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all var(--transition-fast);
}

.footer-section a:hover::before {
    left: -15px;
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    margin-top: 3rem;
    border-top: var(--border-light);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== ANIMATED BACKGROUND ===== */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.animated-bg span {
    position: absolute;
    display: block;
    width: 20px;
    height: 20px;
    background: rgba(99, 102, 241, 0.1);
    animation: float 6s linear infinite;
    bottom: -150px;
}

.animated-bg span:nth-child(1) {
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}

.animated-bg span:nth-child(2) {
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.animated-bg span:nth-child(3) {
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.animated-bg span:nth-child(4) {
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.animated-bg span:nth-child(5) {
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }
    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-8px);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .url-input-group {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-section a {
        padding-left: 0;
    }
    
    .footer-section a:hover {
        padding-left: 0;
    }
    
    .footer-section a::before {
        display: none;
    }
    
    .credit-info {
        flex-direction: column;
        gap: 1rem;
        border-radius: var(--border-radius-lg);
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .tool-page {
        padding: 1rem;
    }
    
    .input-section, .output-section {
        padding: 1.5rem;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .toast {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar, footer, .btn, .credit-info, .animated-bg {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .output-content {
        border: 1px solid #ddd;
        background: white;
        color: black;
    }
    
    .auth-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}