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

:root {
    --bg-primary: #060913;
    --bg-secondary: #0b0f1d;
    --bg-tertiary: #13182b;
    --bg-card: rgba(19, 24, 43, 0.7);
    --border-color: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Neon gradients / Accent colors */
    --accent-emerald: #0df3a3;
    --accent-emerald-glow: rgba(13, 243, 163, 0.15);
    --accent-cyan: #06b6d4;
    --accent-cyan-glow: rgba(6, 182, 212, 0.15);
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-orange: #f97316;
    --accent-orange-glow: rgba(249, 115, 22, 0.15);
    --accent-red: #ef4444;
    --accent-gold: #fbbf24;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-title: 'Outfit', system-ui, -apple-system, sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-neon-cyan: 0 0 20px rgba(6, 182, 212, 0.25);
    --shadow-neon-emerald: 0 0 20px rgba(13, 243, 163, 0.25);
    --shadow-neon-orange: 0 0 20px rgba(249, 115, 22, 0.25);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.5;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 45%);
    background-attachment: fixed;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Grid & Layout Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navbar */
header {
    background: rgba(6, 9, 19, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    color: var(--accent-cyan);
    font-style: italic;
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-emerald) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
    width: 32px;
    height: 32px;
    border-radius: 8px;
    color: var(--bg-primary);
    font-weight: 900;
    font-style: italic;
    font-size: 1.1rem;
    text-shadow: none;
    -webkit-text-fill-color: var(--bg-primary);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

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

/* Role Switcher Widget */
.role-switcher-container {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    padding: 3px;
    border-radius: 30px;
    position: relative;
    gap: 4px;
}

.role-btn {
    background: none;
    border: none;
    padding: 6px 14px;
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 20px;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    z-index: 1;
}

.role-btn.active {
    color: var(--bg-primary);
}

.role-btn[data-role="seller"].active {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #fff;
    box-shadow: var(--shadow-neon-cyan);
}

.role-btn[data-role="buyer"].active {
    background: linear-gradient(135deg, var(--accent-emerald), #059669);
    color: #060913;
    box-shadow: var(--shadow-neon-emerald);
}

.role-btn .badge-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-red);
    border-radius: 50%;
    display: none;
}

.role-btn.has-updates .badge-dot {
    display: inline-block;
    animation: pulse 1.5s infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    100% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 8px var(--accent-red); }
}

/* Page Section Wrappers */
.page-view {
    display: none;
    animation: fadeIn var(--transition-normal) forwards;
}

.page-view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #fff;
    box-shadow: var(--shadow-neon-cyan);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(6, 182, 212, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-emerald), #059669);
    color: #060913;
    box-shadow: var(--shadow-neon-emerald);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(13, 243, 163, 0.45);
}

.btn-outline-cyan {
    background: transparent;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-outline-cyan:hover {
    background: rgba(6, 182, 212, 0.1);
    box-shadow: var(--shadow-neon-cyan);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 6px;
}

/* Cards & Containers */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-hover);
}

/* Graded Slab Mockup CSS */
.card-slab {
    background: linear-gradient(180deg, #2b303c 0%, #171b26 100%);
    border-radius: 12px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 240px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    aspect-ratio: 2.5 / 3.8;
}

/* PSA/BGS style Graded Label */
.slab-label {
    background: #e2e8f0;
    color: #0f172a;
    border: 3px double #94a3b8;
    border-radius: 4px;
    padding: 6px 8px;
    margin-bottom: 10px;
    font-family: monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.2);
}

.slab-label-brand {
    font-weight: 900;
    color: var(--accent-red);
    font-family: var(--font-title);
    font-size: 0.95rem;
    grid-column: 1 / -1;
    text-align: center;
    border-bottom: 1px solid #cbd5e1;
    padding-bottom: 2px;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.slab-label-info {
    line-height: 1.2;
    font-weight: bold;
    color: #334155;
}

.slab-label-info .card-player {
    font-family: var(--font-title);
    font-size: 0.75rem;
    color: #0f172a;
    display: block;
}

.slab-label-grade-box {
    background: #fff;
    border: 1.5px solid #0f172a;
    padding: 2px 6px;
    text-align: center;
    border-radius: 3px;
}

.slab-label-grade-num {
    font-size: 1.2rem;
    font-weight: 900;
    color: #0f172a;
    line-height: 1;
}

.slab-label-grade-text {
    font-size: 0.5rem;
    font-weight: bold;
    color: #64748b;
    display: block;
}

.slab-image-container {
    flex-grow: 1;
    background: #0f172a;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.6);
}

.slab-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.card-slab:hover .slab-image {
    transform: scale(1.05);
}

.slab-placeholder-icon {
    font-size: 2.5rem;
    color: var(--text-muted);
}

.slab-footer {
    margin-top: 8px;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-family: var(--font-title);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Badge System */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    font-family: var(--font-title);
}

.badge-pending {
    background: rgba(251, 191, 36, 0.1);
    color: var(--accent-gold);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.badge-negotiating {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.badge-offer {
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
    border: 1px solid rgba(249, 115, 22, 0.2);
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.1);
}

.badge-bought {
    background: rgba(13, 243, 163, 0.1);
    color: var(--accent-emerald);
    border: 1px solid rgba(13, 243, 163, 0.2);
    box-shadow: 0 0 10px rgba(13, 243, 163, 0.1);
}

.badge-declined {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Home / Landing Page */
.hero-section {
    padding: 6rem 0 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 250px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 100%);
    filter: blur(50px);
    pointer-events: none;
    z-index: 0;
}

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.hero-title span {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-emerald) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
    position: relative;
    z-index: 1;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

/* Feature Grid */
.features-section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
}

.section-title span {
    color: var(--accent-cyan);
}

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

.feature-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature-card:nth-child(2) .feature-icon-wrapper {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--accent-purple);
}

.feature-card:nth-child(3) .feature-icon-wrapper {
    background: rgba(13, 243, 163, 0.1);
    border: 1px solid rgba(13, 243, 163, 0.2);
    color: var(--accent-emerald);
}

.feature-card h3 {
    font-size: 1.25rem;
}

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

/* Dashboard Layouts */
.dashboard-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    padding: 2rem 0;
}

.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
    color: var(--text-secondary);
}

.sidebar-item:hover, .sidebar-item.active {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.sidebar-item.active {
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
}

.dashboard-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Grid of collections */
.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.collection-card {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.collection-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.collection-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.collection-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    gap: 1rem;
}

.collection-preview-row {
    display: flex;
    gap: 0.75rem;
    margin: 1rem 0;
    overflow-x: auto;
    padding-bottom: 4px;
}

.collection-preview-thumb {
    width: 60px;
    height: 80px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--border-color);
    background: #0f172a;
}

.collection-preview-placeholder {
    width: 60px;
    height: 80px;
    border-radius: 6px;
    background: var(--bg-primary);
    border: 1px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.2rem;
}

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

.collection-price-box {
    display: flex;
    flex-direction: column;
}

.price-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.price-val {
    font-size: 1.25rem;
    font-family: var(--font-title);
    font-weight: 700;
    color: var(--text-primary);
}

.price-val.offer {
    color: var(--accent-orange);
}

.price-val.bought {
    color: var(--accent-emerald);
}

/* Detail page split screen */
.detail-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.detail-info-pane {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cards-list-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-item-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.card-item-img {
    width: 50px;
    height: 70px;
    object-fit: cover;
    border-radius: 4px;
    background: #0f172a;
    border: 1px solid var(--border-color);
}

.card-item-details {
    flex-grow: 1;
}

.card-item-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.card-item-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.card-item-price {
    font-family: var(--font-title);
    font-weight: 700;
    color: var(--accent-cyan);
    font-size: 1.05rem;
}

/* Stats Counter Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    text-align: left;
}

.stat-val {
    font-size: 2.25rem;
    font-family: var(--font-title);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card.cyan .stat-val {
    background: linear-gradient(135deg, #fff, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card.emerald .stat-val {
    background: linear-gradient(135deg, #fff, var(--accent-emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card.orange .stat-val {
    background: linear-gradient(135deg, #fff, var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Submission Wizard Forms */
.wizard-step {
    display: none;
}

.wizard-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
    background: rgba(0, 0, 0, 0.35);
}

/* File Upload Area */
.upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    background: rgba(255, 255, 255, 0.01);
}

.upload-dropzone:hover {
    border-color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.02);
}

.upload-icon {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.upload-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.upload-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.uploaded-images-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.uploaded-preview-item {
    width: 80px;
    height: 100px;
    border-radius: 6px;
    position: relative;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.uploaded-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uploaded-preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(239, 68, 68, 0.85);
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    color: white;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* Chat and Negotiation panel */
.chat-container {
    height: 500px;
    display: flex;
    flex-direction: column;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.chat-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: white;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-title);
    font-size: 0.9rem;
}

.chat-avatar.buyer {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
    color: var(--bg-primary);
}

.chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-bubble-wrapper {
    display: flex;
    flex-direction: column;
    max-width: 80%;
}

.chat-bubble-wrapper.received {
    align-self: flex-start;
}

.chat-bubble-wrapper.sent {
    align-self: flex-end;
}

.chat-sender-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 2px;
    font-weight: 500;
    padding: 0 4px;
}

.chat-bubble-wrapper.sent .chat-sender-name {
    align-self: flex-end;
}

.chat-bubble {
    padding: 0.75rem 1rem;
    border-radius: 14px;
    font-size: 0.92rem;
    word-break: break-word;
}

.chat-bubble-wrapper.received .chat-bubble {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--border-color);
}

.chat-bubble-wrapper.sent .chat-bubble {
    background: linear-gradient(135deg, var(--accent-blue) 0%, rgba(59, 130, 246, 0.8) 100%);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-bubble-wrapper.system .chat-bubble {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    border-radius: 8px;
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
}

.chat-bubble-wrapper.system {
    align-self: center;
    max-width: 90%;
}

.chat-bubble-time {
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-top: 3px;
    padding: 0 4px;
}

.chat-bubble-wrapper.sent .chat-bubble-time {
    align-self: flex-end;
}

/* Chat Counter Offer Box */
.chat-offer-card {
    background: rgba(249, 115, 22, 0.08);
    border: 1px dashed var(--accent-orange);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 4px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-offer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    color: var(--accent-orange);
    font-size: 0.9rem;
    text-transform: uppercase;
    font-family: var(--font-title);
}

.chat-offer-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.chat-offer-actions {
    display: flex;
    gap: 0.5rem;
}

.chat-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-input-row {
    display: flex;
    gap: 0.5rem;
}

.chat-input {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.9rem;
}

.chat-send-btn {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.chat-send-btn:hover {
    background: var(--accent-emerald);
    box-shadow: var(--shadow-neon-cyan);
}

/* Chat Suggestion chips */
.chat-suggestions {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 2px;
}

.chat-suggestion-chip {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.78rem;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.chat-suggestion-chip:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

/* Owner Valuation Panel inside Detail Page */
.owner-action-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.owner-price-input-group {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding-left: 0.75rem;
}

.owner-price-prefix {
    font-weight: 700;
    color: var(--text-secondary);
}

.owner-price-input-group input {
    border: none;
    background: transparent;
    padding: 0.75rem 0.5rem;
}

.owner-price-input-group input:focus {
    box-shadow: none;
}

/* Success banner or Toast notices */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: rgba(11, 15, 29, 0.95);
    border: 1px solid var(--accent-cyan);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5), var(--shadow-neon-cyan);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.success {
    border-color: var(--accent-emerald);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5), var(--shadow-neon-emerald);
}

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

/* Responsive Overrides */
@media (max-width: 992px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    .navbar {
        flex-direction: column;
        height: auto;
        padding: 1rem 0;
        gap: 1rem;
    }
    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
}