/* Arc Raiders Blueprint Exchange - Styles */
/* Inspired by the game's sci-fi aesthetic */

:root {
    /* Colors */
    --color-bg: #0a0b0d;
    --color-bg-secondary: #12141a;
    --color-bg-tertiary: #1a1d24;
    --color-surface: #1e2128;
    --color-surface-hover: #252932;
    --color-border: #2a2f3a;
    --color-border-light: #363c4a;

    --color-primary: #00d4ff;
    --color-primary-dark: #00a8cc;
    --color-primary-glow: rgba(0, 212, 255, 0.3);

    --color-secondary: #ff6b35;
    --color-secondary-dark: #e55a2b;

    --color-accent: #a855f7;
    --color-accent-glow: rgba(168, 85, 247, 0.3);

    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    --color-text: #e4e4e7;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;

    --color-discord: #5865F2;

    /* Rarity colors */
    --rarity-common: #9ca3af;
    --rarity-uncommon: #22c55e;
    --rarity-rare: #3b82f6;
    --rarity-legendary: #f59e0b;

    /* Typography */
    --font-display: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;

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

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Container */
    --container-max: 1280px;
}

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

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* Background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, var(--color-primary-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, var(--color-accent-glow) 0%, transparent 50%);
    opacity: 0.15;
    pointer-events: none;
    z-index: -1;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 0 20px var(--color-primary-glow);
    color: var(--color-bg);
}

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

.btn-secondary:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
    color: var(--color-text);
}

.btn-discord {
    background: var(--color-discord);
    color: white;
}

.btn-discord:hover {
    background: #4752c4;
    box-shadow: 0 0 20px rgba(88, 101, 242, 0.4);
    color: white;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 11, 13, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.navbar-brand:hover {
    color: var(--color-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-primary);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) 0;
    position: relative;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 2px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.lang-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

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

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

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-toggle:hover {
    border-color: var(--color-primary);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

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

.chevron {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.user-menu:hover .chevron {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-xs);
    min-width: 180px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.user-dropdown a:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.user-dropdown hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-xs) 0;
}

.user-dropdown .logout {
    color: var(--color-error);
}

/* Mobile navbar toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* Main Content */
.main-content {
    flex: 1;
}

/* Hero Section */
.hero {
    padding: var(--space-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Stats Bar */
.stats-bar {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
    text-align: center;
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* How It Works */
.section {
    padding: var(--space-3xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title h2 {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.section-title p {
    color: var(--color-text-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.step-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

.step-card::before {
    content: attr(data-step);
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--color-primary);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
}

.step-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.step-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

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

/* Cards */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

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

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

/* Blueprint Grid */
.blueprints-section {
    padding: var(--space-xl) 0;
}

.blueprints-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.blueprints-filters {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.search-box {
    position: relative;
}

.search-box input {
    width: 100%;
    min-width: 250px;
    padding: var(--space-sm) var(--space-md) var(--space-sm) 40px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9rem;
}

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

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
}

.blueprints-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-md);
}

.blueprint-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.blueprint-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.blueprint-card.selected {
    border-color: var(--color-primary);
    background: rgba(0, 212, 255, 0.1);
}

.blueprint-card.has {
    border-color: var(--color-success);
    background: rgba(34, 197, 94, 0.1);
}

.blueprint-card.wants {
    border-color: var(--color-warning);
    background: rgba(245, 158, 11, 0.1);
}

.blueprint-card.has.wants {
    border-color: var(--color-accent);
    background: rgba(168, 85, 247, 0.1);
}

/* Trade mode buttons */
.trade-mode-buttons {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.trade-mode-btn {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.trade-mode-btn:hover {
    border-color: var(--color-border-light);
}

.trade-mode-btn.active.give {
    border-color: var(--color-success);
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
}

.trade-mode-btn.active.want {
    border-color: var(--color-warning);
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.trade-mode-btn .count {
    background: var(--color-bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.trade-mode-btn.active.give .count {
    background: var(--color-success);
    color: var(--color-bg);
}

.trade-mode-btn.active.want .count {
    background: var(--color-warning);
    color: var(--color-bg);
}

/* Public trades list */
.public-trades {
    display: grid;
    gap: var(--space-lg);
}

.trader-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

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

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

.trader-header .avatar {
    width: 48px;
    height: 48px;
}

.trader-info {
    flex: 1;
}

.trader-info h3 {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.trader-info p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.trader-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.trader-section h4 {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.trader-section h4 .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.trader-section h4 .dot.give { background: var(--color-success); }
.trader-section h4 .dot.want { background: var(--color-warning); }

.trader-blueprints {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.trader-bp {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.trader-bp img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

@media (max-width: 640px) {
    .trader-sections {
        grid-template-columns: 1fr;
    }

    .trade-mode-buttons {
        flex-direction: column;
    }
}

/* Trade page tabs */
.trade-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-md);
}

.trade-tab {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: none;
    border: none;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
}

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

.trade-tab.active {
    color: var(--color-text);
    background: var(--color-surface);
}

.trade-tab .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.trade-tab .dot.give { background: var(--color-success); }
.trade-tab .dot.want { background: var(--color-warning); }

.trade-tab .tab-count {
    background: var(--color-bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.trade-tab-content {
    display: none;
}

.trade-tab-content.active {
    display: block;
}

/* Blueprint trade grid */
.blueprints-trade-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}

.blueprint-trade-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.blueprint-trade-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.blueprint-trade-image {
    width: 80px;
    height: 80px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.blueprint-trade-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.blueprint-trade-info {
    flex: 1;
    min-width: 0;
}

.blueprint-trade-name {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.blueprint-trade-rarity {
    font-size: 0.75rem;
    text-transform: uppercase;
}

.blueprint-trade-rarity.common { color: var(--rarity-common); }
.blueprint-trade-rarity.uncommon { color: var(--rarity-uncommon); }
.blueprint-trade-rarity.rare { color: var(--rarity-rare); }
.blueprint-trade-rarity.legendary { color: var(--rarity-legendary); }

.blueprint-trade-count {
    text-align: center;
    flex-shrink: 0;
}

.blueprint-trade-count .count-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.blueprint-trade-count .count-label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.modal-blueprint {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.modal-blueprint-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

.modal-blueprint-name {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.modal-blueprint-type {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
}

.traders-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.trader-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
}

.trader-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.trader-item .trader-info {
    flex: 1;
}

.trader-name {
    font-weight: 500;
}

.trader-discord {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.trader-since {
    font-size: 0.75rem;
    opacity: 0.7;
}

.trader-warning {
    font-size: 0.8rem;
    color: var(--color-error);
    margin-top: var(--space-xs);
}

.trader-item.new-account {
    border: 1px solid var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

.btn-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8rem;
}

.traders-list .loading,
.traders-list .empty,
.traders-list .error {
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-text-muted);
}

.blueprint-image {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blueprint-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(1.1);
    transition: transform var(--transition-base);
}

.blueprint-card:hover .blueprint-image img {
    transform: scale(1.1);
}

.blueprint-rarity {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.blueprint-rarity.common { background: var(--rarity-common); }
.blueprint-rarity.uncommon { background: var(--rarity-uncommon); }
.blueprint-rarity.rare { background: var(--rarity-rare); }
.blueprint-rarity.legendary { background: var(--rarity-legendary); }

.blueprint-name {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

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

.blueprint-status {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.status-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.status-badge.has {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-success);
}

.status-badge.wants {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

/* Trade Cards */
.trades-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.trade-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-lg);
    align-items: center;
    transition: all var(--transition-base);
}

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

.trade-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.trade-user .avatar {
    width: 48px;
    height: 48px;
}

.trade-user-info h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.trade-user-info p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.trade-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.trade-column h5 {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.trade-blueprints {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.trade-bp {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.trade-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 4px;
    transition: width var(--transition-slow);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-sm);
}

.tab-btn {
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: calc(-1 * var(--space-sm) - 1px);
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--color-primary);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-content {
    display: none;
}

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

/* Footer */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    max-width: 400px;
}

.footer-brand .logo-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

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

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

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Alerts / Messages */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

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

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.form-control {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Checkbox styled */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* Category Section */
.category-section {
    margin-bottom: var(--space-xl);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    cursor: pointer;
}

.category-header h3 {
    font-size: 1.1rem;
    color: var(--color-text);
}

.category-count {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 2px 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    color: var(--color-text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

/* Leaderboard */
.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.leaderboard-item:hover {
    border-color: var(--color-border-light);
}

.leaderboard-rank {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.leaderboard-item:nth-child(1) .leaderboard-rank {
    color: #ffd700;
}
.leaderboard-item:nth-child(2) .leaderboard-rank {
    color: #c0c0c0;
}
.leaderboard-item:nth-child(3) .leaderboard-rank {
    color: #cd7f32;
}

.leaderboard-user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
}

.leaderboard-user .avatar {
    width: 36px;
    height: 36px;
}

.leaderboard-stats {
    text-align: right;
}

.leaderboard-stats strong {
    color: var(--color-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: var(--space-md);
        border-bottom: 1px solid var(--color-border);
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

    .footer-content {
        flex-direction: column;
    }

    .blueprints-header {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box input {
        min-width: auto;
    }
}

/* Loading spinner */
.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;
}

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

/* Tooltips */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 10;
}

[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}