/* =========================================
   CRYPTO TEK AI V3 - PROFESSIONAL DESIGN
   Modern, zarif, landing page seviyesinde
   ========================================= */

/* =========================================
   CSS VARIABLES
   ========================================= */
:root {
    /* Brand Colors */
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FF8C5A;
    --secondary: #2481cc;
    --secondary-dark: #1f6fb8;

    /* Status Colors */
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;

    /* Light Theme */
    --bg-page: #f8f9fa;
    --bg-nav: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border: #e9ecef;
    --border-light: #f3f4f6;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Notification CSS compatibility aliases (mini_app variable names) */
    --primary-color: var(--primary);
    --secondary-color: var(--secondary);
    --card-bg: var(--bg-card);
    --bg-primary: var(--bg-page);
}

/* Dark Theme */
body.dark {
    --bg-page: #0a0e1a;
    --bg-nav: #1a1f35;
    --bg-card: #1a1f35;
    --bg-card-hover: #252b45;
    --text-primary: #ffffff;
    --text-secondary: #b0b5c8;
    --text-muted: #8a8a9a;
    --border: rgba(255,255,255,0.08);
    --border-light: rgba(255,255,255,0.05);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow: 0 2px 8px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.6);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.5);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background var(--transition-slow), color var(--transition-slow);
    overflow-x: hidden;
}

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

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

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

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

/* =========================================
   LAYOUT
   ========================================= */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =========================================
   TOP NAVIGATION
   ========================================= */
.top-nav {
    position: sticky;
    top: 0;
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-container {
    max-width: 1800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1.25rem;
    gap: 1.5rem;
}

/* Nav Left */
.nav-left {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* Mobile center title - hidden on desktop */
.nav-center-mobile-logo {
    display: none;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    transition: transform var(--transition);
}

.logo:hover {
    transform: scale(1.02);
}

.logo i {
    font-size: 1.25rem;
}

/* Nav Center Links */
.nav-center {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

.nav-center::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}

.nav-link i {
    font-size: 0.875rem;
}

/* Nav Right */
.nav-right {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

/* Theme Toggle */
.theme-toggle {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.875rem;
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: scale(1.05);
}

/* Notification Bell */
.notification-bell {
    position: relative;
    width: 2.25rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.notification-bell:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: scale(1.05);
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 1.125rem;
    height: 1.125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--danger), #ff6b6b);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    padding: 0 0.25rem;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    object-fit: cover;
}

.user-avatar:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 14rem;
    background: var(--bg-nav);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition);
}

.user-dropdown:not(.hidden) {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    margin-bottom: 0.25rem;
}

.dropdown-header span:first-child {
    font-weight: 600;
    color: var(--text-primary);
}

.user-badge {
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
}

.user-badge.free {
    background: rgba(108, 117, 125, 0.15);
    color: var(--text-secondary);
}

.user-badge.pro {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.user-badge.premium {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: white;
}

.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 0.25rem 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: all var(--transition);
}

.dropdown-item:hover {
    background: var(--bg-card-hover);
}

.dropdown-item i {
    width: 1.125rem;
    color: var(--text-secondary);
}

.dropdown-item.danger {
    color: var(--danger);
}

.dropdown-item.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.dropdown-item.danger i {
    color: var(--danger);
}

/* =========================================
   MAIN CONTENT
   ========================================= */
.main-content {
    flex: 1;
    max-width: 1800px;
    width: 100%;
    margin: 0 auto;
    padding: 1.25rem 1.5rem 1.5rem;
}

/* =========================================
   MOBILE NAVIGATION
   ========================================= */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-nav);
    border-top: 1px solid var(--border);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
    padding: 0.5rem;
    padding-bottom: calc(0.5rem + env(safe-area-inset-bottom));
    z-index: 1000;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    flex: 1;
    padding: 0.5rem;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition);
}

.mobile-nav-item i {
    font-size: 1.25rem;
}

.mobile-nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.mobile-nav-item.active {
    color: var(--primary);
}

.mobile-nav-item.active i {
    transform: scale(1.1);
}

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

.card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    color: var(--text-secondary);
}

/* =========================================
   LOADING STATE
   ========================================= */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    gap: 1rem;
}

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

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

.loading-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* =========================================
   EMPTY STATE
   ========================================= */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1.5rem;
    min-height: 400px;
}

.empty-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.2);
}

.empty-icon i {
    font-size: 2rem;
    color: white;
}

.empty-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    max-width: 400px;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* =========================================
   TOAST NOTIFICATIONS
   ========================================= */
.toast-container {
    position: fixed;
    top: 5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    min-width: 20rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: start;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
}

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

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--info); }

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

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* =========================================
   UTILITY CLASSES
   ========================================= */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-medium { font-weight: 500; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary-color { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

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

/* Tablet and below */
@media (max-width: 1024px) {
    .nav-center {
        display: none;
    }

    .main-content {
        padding: 0 1rem 1rem;
        padding-bottom: calc(4rem + env(safe-area-inset-bottom));
    }

    .mobile-nav {
        display: flex;
    }
}

/* Tablet/Mobile - center logo layout */
@media (max-width: 1024px) {
    /* Hide the left-side logo */
    .logo {
        display: none;
    }

    /* Show center title */
    .nav-center-mobile-logo {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--primary);
        pointer-events: none;
        user-select: none;
        flex: 1;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .nav-container {
        padding: 0.625rem 1rem;
    }

    .main-content {
        padding: 0 1rem 1rem;
        padding-bottom: calc(4rem + env(safe-area-inset-bottom));
    }

    .toast-container {
        right: 1rem;
        left: 1rem;
    }

    .toast {
        min-width: auto;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.375rem; }
    h3 { font-size: 1.125rem; }
}

/* =========================================
   PAGE BACK BUTTON (Trade Sub-pages)
   ========================================= */
.page-back-header {
    padding: 0 0 0.75rem;
}

.page-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-secondary, #94a3b8);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-back-btn:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: rgba(255, 107, 53, 0.3);
    color: var(--primary, #FF6B35);
    transform: translateX(-3px);
}

.page-back-btn i {
    font-size: 13px;
    transition: transform 0.2s ease;
}

.page-back-btn:hover i {
    transform: translateX(-2px);
}

/* =========================================
   HAMBURGER BUTTON
   ========================================= */
.hamburger-btn {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-right: 0.5rem;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.25s ease;
    pointer-events: none;
}

.hamburger-btn.open .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.open .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger-btn.open .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1024px) {
    .hamburger-btn {
        display: flex;
    }
}

/* =========================================
   MOBILE SIDE DRAWER OVERLAY
   ========================================= */
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* =========================================
   MOBILE SIDE DRAWER
   ========================================= */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-nav);
    border-right: 1px solid var(--border);
    box-shadow: 4px 0 32px rgba(0, 0, 0, 0.2);
    z-index: 2100;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}

.mobile-drawer.open {
    transform: translateX(0);
}

.mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    min-height: 56px;
}

.drawer-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

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

.drawer-logo i {
    font-size: 1.375rem;
}

.drawer-close-btn {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9375rem;
    flex-shrink: 0;
}

.drawer-close-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.drawer-nav {
    flex: 1;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.drawer-nav-link {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.75rem 0.875rem;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.drawer-nav-link:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.drawer-nav-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white !important;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}

.drawer-nav-link i {
    width: 1.25rem;
    font-size: 1rem;
    text-align: center;
    flex-shrink: 0;
}

.drawer-upgrade-link {
    color: var(--primary);
    font-weight: 600;
}

.drawer-upgrade-link:hover {
    background: rgba(255, 107, 53, 0.08);
    color: var(--primary);
}

.drawer-divider {
    height: 1px;
    background: var(--border);
    margin: 0.375rem 0.875rem;
}

body.drawer-open {
    overflow: hidden;
}

/* Mobile nav menu button (hamburger in bottom bar) */
.mobile-nav-menu-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* =========================================
   MODALS
   ========================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--bg-nav);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

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

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-header .close-btn {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.1);
    border: none;
    border-radius: var(--radius);
    color: var(--danger);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 1rem;
    flex-shrink: 0;
}

.modal-header .close-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: scale(1.05);
}

.modal-body {
    padding: 1.5rem;
}

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

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