/**
 * styles.css - マッチングサイトテンプレート
 * 洗練されたモダンデザインシステム
 */

/* ==========================================
   CSS Variables - Premium Design System
   ========================================== */
:root {
    /* Primary Gradient Colors */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #ec4899;
    --color-secondary-dark: #db2777;
    --color-accent: #06b6d4;

    /* Semantic Colors */
    --color-success: #22c55e;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;

    /* Background & Surface */
    --color-bg: #f8fafc;
    --color-bg-gradient: linear-gradient(135deg, #f0f4ff 0%, #fdf4ff 50%, #f0fdff 100%);
    --color-surface: #ffffff;
    --color-surface-elevated: rgba(255, 255, 255, 0.8);
    --color-border: #e2e8f0;
    --color-border-light: rgba(148, 163, 184, 0.2);

    /* Text Colors */
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;

    /* Provider/User accent colors */
    --color-seller: #8b5cf6;
    --color-seller-light: rgba(139, 92, 246, 0.1);
    --color-buyer: #06b6d4;
    --color-buyer-light: rgba(6, 182, 212, 0.1);

    /* Typography */
    --font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    /* Shadows - Enhanced */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.2);
    --shadow-glow-primary: 0 0 20px rgba(99, 102, 241, 0.3);

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: blur(12px);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
}

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

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

/* ==========================================
   Header - Glass Morphism
   ========================================== */
.header {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--color-text);
    transition: all var(--transition-base);
}

.logo:hover {
    color: var(--color-primary);
    transform: scale(1.02);
}

.logo-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 2px 4px rgba(99, 102, 241, 0.3));
}

.logo-image {
    height: 36px;
    width: auto;
    max-width: 100px;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    color: var(--color-primary);
    transform: translateY(-1px);
}

/* ==========================================
   Main Content
   ========================================== */
.main {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
    min-height: calc(100vh - 80px);
}

/* ==========================================
   Buttons - Premium Design
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-bg);
    border-color: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(236, 72, 153, 0.08) 100%);
    color: var(--color-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #16a34a 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger) 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-md);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

.btn-block {
    width: 100%;
}

/* ==========================================
   Forms
   ========================================== */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.required {
    color: var(--color-danger);
}

.input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    transition: all var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.select {
    cursor: pointer;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-suffix {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Radio & Checkbox */
.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.radio-item,
.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.radio-item:hover,
.checkbox-item:hover {
    background: var(--color-bg);
}

.radio-item.checked,
.checkbox-item.checked {
    border-color: var(--color-primary);
    background: rgba(37, 99, 235, 0.05);
}

.radio-item input,
.checkbox-item input {
    accent-color: var(--color-primary);
}

/* Role Selection */
.role-selection {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.role-option {
    cursor: pointer;
}

.role-option input {
    display: none;
}

.role-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.role-option:hover .role-card {
    border-color: var(--color-primary-light);
}

.role-option input:checked+.role-card {
    border-color: var(--color-primary);
    background: rgba(37, 99, 235, 0.05);
}

.role-icon {
    font-size: 2.5rem;
}

.role-name {
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.role-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

/* ==========================================
   Cards - Glass Style
   ========================================== */
.card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-badge {
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg);
    border-radius: var(--radius-full);
}

.card-status {
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
}

.status-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.status-draft {
    background: rgba(148, 163, 184, 0.1);
    color: var(--color-text-secondary);
}

.status-paused {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.status-pending {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.status-accepted {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.status-rejected {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

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

.card-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.meta-price {
    font-weight: 700;
    color: var(--color-primary);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.card-seller,
.card-buyer,
.card-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.card-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* ==========================================
   Avatar
   ========================================== */
.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-xs);
}

.avatar-lg {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-2xl);
}

/* ==========================================
   Stats
   ========================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.stat-icon {
    font-size: 2rem;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ==========================================
   Dashboard
   ========================================== */
.dashboard-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.dashboard-header h1 {
    font-size: var(--font-size-2xl);
}

.user-type-badge {
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
}

.user-type-badge.seller {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-seller);
}

.user-type-badge.buyer {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-buyer);
}

/* Quick Actions */
.quick-actions {
    margin-bottom: var(--spacing-2xl);
}

.quick-actions h2 {
    margin-bottom: var(--spacing-md);
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

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

.action-icon {
    font-size: 2rem;
}

.action-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-align: center;
}

.action-card .badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--color-danger);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

/* Section */
.section {
    margin-bottom: var(--spacing-2xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: var(--font-size-xl);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* ==========================================
   Auth Pages
   ========================================== */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-2xl);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.demo-accounts {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.demo-title {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.demo-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* ==========================================
   Landing Page - Premium Design
   ========================================== */
.hero {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.features {
    margin-bottom: var(--spacing-3xl);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.2));
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

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

/* ==========================================
   Search Page
   ========================================== */
.search-header {
    margin-bottom: var(--spacing-lg);
}

.search-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
    min-width: 200px;
}

.results-header {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

/* ==========================================
   Form Page
   ========================================== */
.form-page,
.list-page {
    max-width: 800px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: var(--font-size-2xl);
}

.form-container {
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

/* ==========================================
   Tabs
   ========================================== */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.tab.active {
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* ==========================================
   Profile Page
   ========================================== */
.profile-card {
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.profile-info h2 {
    margin-bottom: var(--spacing-xs);
}

.danger-zone {
    padding: var(--spacing-lg);
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-lg);
}

.danger-zone h3 {
    color: var(--color-danger);
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   Empty State
   ========================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-message {
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   Loading
   ========================================== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

/* ==========================================
   Toast
   ========================================== */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1000;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-danger);
}

.toast-icon {
    font-weight: 700;
}

.toast-success .toast-icon {
    color: var(--color-success);
}

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

.toast-fade-out {
    animation: slideOut 0.3s ease forwards;
}

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ==========================================
   Modal
   ========================================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-header h2 {
    font-size: var(--font-size-xl);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.modal-context {
    color: var(--color-text-secondary);
}

/* ==========================================
   Detail Page (Phase 2)
   ========================================== */
.detail-page {
    max-width: 1000px;
    margin: 0 auto;
}

.detail-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-xl);
}

.detail-main {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.detail-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.detail-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.meta-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.meta-value {
    font-size: var(--font-size-base);
    font-weight: 600;
}

.meta-value.price {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
}

.detail-section {
    margin-bottom: var(--spacing-xl);
}

.detail-section h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.detail-description {
    line-height: 1.8;
    color: var(--color-text);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
}

/* Sidebar */
.detail-sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
}

.seller-card,
.buyer-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.seller-header,
.buyer-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.seller-info h3,
.buyer-info h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.seller-rating {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.seller-bio {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.login-prompt {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
}

/* ==========================================
   Chat Page (Phase 2)
   ========================================== */
.chat-page {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 150px);
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.chat-partner {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

.partner-info h3 {
    font-size: var(--font-size-base);
    margin-bottom: 2px;
}

.chat-subject {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.application-status {
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chat-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-secondary);
}

.message {
    max-width: 75%;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
}

.message-sent {
    align-self: flex-end;
    background: var(--color-primary);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.message-received {
    align-self: flex-start;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-bottom-left-radius: var(--radius-sm);
}

.message-content {
    line-height: 1.5;
    word-break: break-word;
}

.message-time {
    font-size: var(--font-size-xs);
    opacity: 0.7;
    margin-top: var(--spacing-xs);
}

.chat-input-area {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.chat-form {
    display: flex;
    gap: var(--spacing-md);
}

.chat-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    resize: none;
    font-family: inherit;
    font-size: var(--font-size-base);
}

.chat-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ==========================================
   Announcement Page (Phase 3)
   ========================================== */
.announcement-detail {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.announcement-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.event-info {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.event-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.event-item:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.event-label {
    font-weight: 600;
    color: var(--color-text-secondary);
    min-width: 80px;
}

.event-value {
    color: var(--color-text);
}

.event-date {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    margin-top: var(--spacing-sm);
}

.detail-content {
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.announcement-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.seller-info-small {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.post-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.owner-actions {
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.event-fields {
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   Review (Phase 4)
   ========================================== */
.star-rating {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: var(--spacing-xs);
}

.star-rating input {
    display: none;
}

.star-rating .star-label {
    font-size: 2rem;
    color: var(--color-border);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.star-rating input:checked~.star-label,
.star-rating .star-label:hover,
.star-rating .star-label:hover~.star-label {
    color: #fbbf24;
}

.review-summary {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.rating-overview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.rating-big {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
}

.rating-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
}

.no-rating {
    font-size: 3rem;
    color: var(--color-text-secondary);
}

.rating-star {
    font-size: 2rem;
    color: #fbbf24;
}

.rating-count {
    color: var(--color-text-secondary);
}

.review-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.review-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

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

.reviewer-name {
    font-weight: 600;
}

.review-rating {
    color: #fbbf24;
    font-size: var(--font-size-lg);
}

.review-comment {
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.review-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.reviews-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

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

.stars {
    color: #fbbf24;
}

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

.no-reviews {
    color: var(--color-text-secondary);
    text-align: center;
    padding: var(--spacing-lg);
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 768px) {
    .header-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .nav {
        gap: var(--spacing-sm);
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    .main {
        padding: var(--spacing-md);
    }

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

    .role-selection {
        grid-template-columns: 1fr;
    }

    .search-filters {
        flex-direction: column;
    }

    .filter-group {
        min-width: 100%;
    }

    .action-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   Admin Styles
   ========================================== */
.admin-dashboard .admin-stats {
    margin-bottom: var(--spacing-2xl);
}

.admin-actions {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

.admin-actions .action-card.has-alert {
    border-color: var(--color-danger);
    background: rgba(239, 68, 68, 0.05);
}

.action-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.admin-summary {
    margin-top: var(--spacing-2xl);
}

.summary-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.summary-card ul {
    list-style: none;
    margin-top: var(--spacing-md);
}

.summary-card li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.summary-card li:last-child {
    border-bottom: none;
}

/* Admin Page */
.admin-page {
    max-width: 1200px;
}

.admin-page .page-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.admin-page .page-header h1 {
    font-size: var(--font-size-2xl);
}

/* Admin Tables */
.admin-table-container {
    overflow-x: auto;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

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

.admin-table th,
.admin-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    background: var(--color-bg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.admin-table tr:hover {
    background: rgba(99, 102, 241, 0.03);
}

.admin-table tr:last-child td {
    border-bottom: none;
}

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

.user-cell .user-info {
    display: flex;
    flex-direction: column;
}

.user-cell .user-name {
    font-weight: 600;
}

.user-cell .user-email {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.status-active,
.badge.status-active {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.status-warning,
.badge.status-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.status-danger,
.badge.status-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.status-info,
.badge.status-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.status-success,
.badge.status-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.status-muted,
.badge.status-muted {
    background: rgba(148, 163, 184, 0.1);
    color: var(--color-text-muted);
}

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

/* Report Card */
.report-card {
    border-left: 3px solid var(--color-warning);
}

.report-card .report-target {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.report-card .target-type {
    font-weight: 600;
    color: var(--color-text-secondary);
}

.report-card .target-name {
    font-weight: 700;
}

.report-card .report-category {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.report-card .report-reason {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.report-card .report-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Report Detail */
.report-detail-card,
.user-detail-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.report-info .info-row {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.report-info .info-label {
    min-width: 120px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.report-reason-full,
.admin-note {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.report-reason-full h3,
.admin-note h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* User Detail */
.user-header {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.user-main-info h2 {
    margin-bottom: var(--spacing-xs);
}

.user-main-info p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.user-badges {
    display: flex;
    gap: var(--spacing-sm);
}

.user-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.user-stats .stat-item {
    text-align: center;
}

.user-stats .stat-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.user-stats .stat-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.status-reason {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-warning);
}

/* Admin Actions Panel */
.admin-actions-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.admin-actions-panel h3 {
    margin-bottom: var(--spacing-md);
}

.admin-actions-panel .action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Warning Button */
.btn-warning {
    background: linear-gradient(135deg, var(--color-warning) 0%, #d97706 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}

.btn-info {
    background: linear-gradient(135deg, var(--color-info) 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-info:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

/* Settings Form */
.settings-form-container {
    max-width: 600px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

/* Category Form */
.add-category-form {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.add-category-form h3 {
    margin-bottom: var(--spacing-md);
}

.inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: flex-end;
}

.inline-form .input-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.category-icon {
    font-size: 1.5rem;
}

/* Report Button */
.report-btn {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

.report-btn:hover {
    color: var(--color-danger);
}

/* ==========================================
   Profile Page Sections
   ========================================== */
.profile-page {
    max-width: 900px;
    margin: 0 auto;
}

.profile-section {
    margin-bottom: var(--spacing-xl);
}

.profile-section .section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-lg);
    font-weight: 700;
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.profile-section.collapsible .section-title {
    cursor: pointer;
    transition: all var(--transition-base);
}

.profile-section.collapsible .section-title:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    border-color: var(--color-primary-light);
}

.profile-section .toggle-icon {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
}

.profile-section.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.profile-section .section-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-height: 600px;
    overflow-y: auto;
}

.profile-section.collapsed .section-content {
    display: none;
}

.profile-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.profile-info h2 {
    margin-bottom: var(--spacing-xs);
}

/* Range Inputs */
.range-inputs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.range-inputs .input {
    flex: 1;
}

.range-separator {
    color: var(--color-text-muted);
    font-weight: 600;
}

/* Sticky Actions */
.sticky-actions {
    position: sticky;
    bottom: 0;
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

.sticky-actions .btn {
    width: 100%;
}

/* Danger Zone */
.danger-zone {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-lg);
}

.danger-zone h3 {
    color: var(--color-danger);
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   Template Fields Section (Admin Edit)
   ========================================== */
.template-fields-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border);
}

.template-fields-section .section-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.field-category {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.field-category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-bg);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.field-category-header:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
}

.field-category[open]>.field-category-header {
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
}

.field-count {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

.field-category-content {
    padding: var(--spacing-md);
}

.field-category-content .form-group {
    margin-bottom: var(--spacing-md);
}

.field-category-content .form-group:last-child {
    margin-bottom: 0;
}

.more-fields {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px dashed var(--color-border);
}

.more-fields>summary {
    margin-bottom: var(--spacing-md);
}

.more-fields[open]>summary {
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   File Input Styles
   ========================================== */
.file-input-wrapper {
    position: relative;
}

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

.file-input-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-input-label:hover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
}

.file-input:focus+.file-input-label {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.file-icon {
    font-size: 2rem;
}

.file-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.file-preview {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.file-preview img {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.file-info {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-align: center;
}

.file-name {
    font-weight: 500;
    color: var(--color-text);
}

.file-size {
    margin-left: var(--spacing-xs);
    color: var(--color-text-muted);
}

/* ==========================================
   Category Icon Styles
   ========================================== */
.category-icon-cell {
    width: 60px;
    text-align: center;
}

.category-icon-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.category-icon-emoji {
    font-size: 1.5rem;
}

.category-add-form {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.category-icon-upload {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-preview {
    width: 60px;
    height: 60px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--color-surface);
    overflow: hidden;
}

.icon-preview:hover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
}

.icon-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.icon-placeholder {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--spacing-xs);
}

.icon-or {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Category Icon Size Variants */
.category-icon-img.category-icon-sm {
    width: 20px;
    height: 20px;
}

.category-icon-img.category-icon-md {
    width: 32px;
    height: 32px;
}

.category-icon-img.category-icon-lg {
    width: 48px;
    height: 48px;
}

.category-icon-emoji.category-icon-sm {
    font-size: 1rem;
}

.category-icon-emoji.category-icon-md {
    font-size: 1.5rem;
}

.category-icon-emoji.category-icon-lg {
    font-size: 2rem;
}

.category-add-form {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.category-icon-upload {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-preview {
    width: 60px;
    height: 60px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--color-surface);
    overflow: hidden;
}

.icon-preview:hover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
}

.icon-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.icon-placeholder {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--spacing-xs);
}

.icon-or {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}