/**
 * SETA Creative E-Ticaret Yönetimi
 * Ana Stil Dosyası
 * 
 * Renk Paleti:
 * - Primary: #391ee0 (Derin Mor/İndigo)
 * - Accent: #03f1ea (Neon Turkuaz)
 * - Dark: #000000
 * - Light: #ffffff
 */

/* =====================================================
   GOOGLE FONTS
   ===================================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
    /* Colors */
    --primary: #391ee0;
    --primary-light: #5a3ff0;
    --primary-dark: #2a15a8;
    --accent: #03f1ea;
    --accent-glow: rgba(3, 241, 234, 0.5);
    --dark: #000000;
    --dark-lighter: #0a0a0f;
    --dark-card: #111118;
    --dark-border: #1a1a24;
    --light: #ffffff;
    --light-muted: rgba(255, 255, 255, 0.7);
    --light-subtle: rgba(255, 255, 255, 0.5);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #391ee0 0%, #03f1ea 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #000000 100%);
    --gradient-glow: linear-gradient(135deg, rgba(57, 30, 224, 0.2) 0%, rgba(3, 241, 234, 0.2) 100%);
    
    /* Typography */
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --sidebar-width: 280px;
    --header-height: 70px;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(3, 241, 234, 0.3);
    --shadow-primary: 0 0 30px rgba(57, 30, 224, 0.4);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 15px;
    line-height: 1.6;
    color: var(--light);
    background: var(--dark);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--light);
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    color: var(--light-muted);
    margin-bottom: 1rem;
}

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

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

/* =====================================================
   AUTH PAGES (Login / Register)
   ===================================================== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(57, 30, 224, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(3, 241, 234, 0.1) 0%, transparent 50%);
    animation: authBgMove 20s ease-in-out infinite;
}

@keyframes authBgMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-5%, -5%) rotate(3deg); }
}

.auth-card {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    animation: authCardIn 0.6s ease-out;
}

@keyframes authCardIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

.auth-logo .logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.auth-logo .logo-tagline {
    font-size: 0.8rem;
    color: var(--light-subtle);
    margin-top: 0.25rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.auth-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    text-align: center;
    color: var(--light-subtle);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* =====================================================
   FORMS
   ===================================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--light-muted);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-main);
    font-size: 0.95rem;
    color: var(--light);
    background: var(--dark-lighter);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    outline: none;
}

.form-input::placeholder {
    color: var(--light-subtle);
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(3, 241, 234, 0.1);
}

.form-input:hover:not(:focus) {
    border-color: rgba(255, 255, 255, 0.2);
}

.form-input-icon {
    position: relative;
}

.form-input-icon .form-input {
    padding-left: 2.75rem;
}

.form-input-icon .icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--light-subtle);
    font-size: 1.1rem;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--light-subtle);
    margin-top: 0.5rem;
}

.form-error {
    color: #ff6b6b;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(57, 30, 224, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--light);
    border: 1px solid var(--dark-border);
}

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

.btn-accent {
    background: var(--accent);
    color: var(--dark);
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* =====================================================
   LAYOUT - MAIN APP
   ===================================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--dark-card);
    border-right: 1px solid var(--dark-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition-normal);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--dark-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo .logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-primary);
}

.sidebar-logo .logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--light);
}

.sidebar-logo .logo-text span {
    color: var(--accent);
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--light-subtle);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0 1.5rem;
    margin-bottom: 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--light-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--light);
    background: rgba(255, 255, 255, 0.03);
}

.nav-link.active {
    color: var(--accent);
    background: rgba(3, 241, 234, 0.05);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
}

.nav-link .icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.nav-link .badge {
    margin-left: auto;
    background: var(--primary);
    color: var(--light);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--dark-border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 0.75rem;
    color: var(--light-subtle);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background: var(--dark);
}

.content-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 50;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.content-body {
    padding: 2rem;
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-normal);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

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

.card-title {
    font-size: 1rem;
    font-weight: 600;
}

/* =====================================================
   STATS CARDS
   ===================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(57, 30, 224, 0.3);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-glow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--light);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--light-subtle);
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.stat-change.positive {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.stat-change.negative {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* =====================================================
   TABLES
   ===================================================== */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

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

.data-table th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--light-subtle);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(0, 0, 0, 0.3);
}

.data-table td {
    font-size: 0.9rem;
    color: var(--light-muted);
}

.data-table tbody tr {
    transition: var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* =====================================================
   BADGES / STATUS
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.badge-info {
    background: rgba(3, 241, 234, 0.15);
    color: var(--accent);
}

.badge-primary {
    background: rgba(57, 30, 224, 0.15);
    color: var(--primary-light);
}

/* =====================================================
   ALERTS
   ===================================================== */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: alertIn 0.3s ease-out;
}

@keyframes alertIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

.alert-info {
    background: rgba(3, 241, 234, 0.1);
    border: 1px solid rgba(3, 241, 234, 0.3);
    color: var(--accent);
}

/* =====================================================
   TABS
   ===================================================== */
.tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--dark-border);
    margin-bottom: 1.5rem;
}

.tab-link {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--light-subtle);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: var(--transition-fast);
}

.tab-link:hover {
    color: var(--light);
}

.tab-link.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: tabIn 0.3s ease-out;
}

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

/* =====================================================
   SETTINGS SECTION
   ===================================================== */
.settings-section {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--dark-border);
}

.settings-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
}

.settings-title .icon {
    color: var(--accent);
}

.settings-body {
    padding: 1.5rem;
}

.settings-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* =====================================================
   TOGGLE SWITCH
   ===================================================== */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark-border);
    border-radius: 26px;
    transition: var(--transition-normal);
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: var(--light);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

/* =====================================================
   EMPTY STATE
   ===================================================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    color: var(--light-subtle);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.empty-text {
    color: var(--light-subtle);
    max-width: 400px;
    margin: 0 auto 1.5rem;
}

/* =====================================================
   LOADING
   ===================================================== */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--dark-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .content-body {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .settings-row {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   UTILITIES
   ===================================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary); }
.text-muted { color: var(--light-subtle); }
.text-success { color: #10b981; }
.text-danger { color: #ef4444; }
.text-warning { color: #f59e0b; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

.w-100 { width: 100%; }

/* =====================================================
   CHECKBOX CUSTOM
   ===================================================== */
.checkbox-custom {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-custom input {
    display: none;
}

.checkbox-box {
    width: 20px;
    height: 20px;
    border: 2px solid var(--dark-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.checkbox-custom input:checked + .checkbox-box {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-box::after {
    content: '✓';
    color: var(--light);
    font-size: 0.75rem;
    opacity: 0;
    transition: var(--transition-fast);
}

.checkbox-custom input:checked + .checkbox-box::after {
    opacity: 1;
}

.checkbox-label {
    font-size: 0.9rem;
    color: var(--light-muted);
}

/* =====================================================
   PLATFORM ICONS
   ===================================================== */
.platform-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

.platform-trendyol {
    background: linear-gradient(135deg, #f27a1a 0%, #ff9f43 100%);
    color: #fff;
}

.platform-woocommerce {
    background: linear-gradient(135deg, #7f54b3 0%, #9b6dd6 100%);
    color: #fff;
}

.platform-hepsiburada {
    background: linear-gradient(135deg, #ff6000 0%, #ff8534 100%);
    color: #fff;
}

.platform-n11 {
    background: linear-gradient(135deg, #8a2be2 0%, #a855f7 100%);
    color: #fff;
}