/* ==========================================================================
   Victoria 3: International Political Economy (IPE) Edition UI Stylesheet
   Design Paradigm: Victorian Steampunk / Gold Brass Trim & Glassmorphism Slate
   ========================================================================== */

:root {
    --bg-dark: #090d16;
    --bg-panel: rgba(15, 23, 42, 0.78);
    --bg-panel-hover: rgba(30, 41, 59, 0.88);
    --bg-card: rgba(22, 32, 54, 0.85);

    --brass-gold: #d97706;
    --brass-gold-light: #fbbf24;
    --brass-glow: rgba(245, 158, 11, 0.35);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-red: #ef4444;
    --accent-green: #10b981;
    --accent-blue: #3b82f6;
    --accent-purple: #a855f7;

    --border-brass: rgba(217, 119, 6, 0.35);
    --border-glass: rgba(255, 255, 255, 0.08);

    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;

    --shadow-glow: 0 0 20px rgba(217, 119, 6, 0.15);
}

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

body {
    font-family: 'Outfit', 'Noto Sans SC', system-ui, sans-serif;
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(217, 119, 6, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(15, 23, 42, 0.95) 0px, transparent 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.6);
}
::-webkit-scrollbar-thumb {
    background: var(--brass-gold);
    border-radius: 3px;
}

/* Header & Top Bar */
.game-header {
    background: rgba(11, 16, 29, 0.92);
    border-bottom: 2px solid var(--border-brass);
    backdrop-filter: blur(12px);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brass-gold-light);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(217, 119, 6, 0.15);
    padding: 2px 8px;
    border-radius: 12px;
    border: 1px solid var(--border-brass);
}

/* Country Selector Pills */
.nation-selector {
    display: flex;
    gap: 8px;
    background: rgba(15, 23, 42, 0.8);
    padding: 4px;
    border-radius: 20px;
    border: 1px solid var(--border-glass);
}

.nation-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nation-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nation-btn.active {
    background: linear-gradient(135deg, var(--brass-gold), #b45309);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 0 10px var(--brass-glow);
}

/* Status Dashboard Bar */
.top-stats-bar {
    display: flex;
    gap: 20px;
    align-items: center;
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(30, 41, 59, 0.6);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    font-size: 0.9rem;
}

.stat-pill .label {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.stat-pill .val {
    font-weight: 700;
    color: var(--brass-gold-light);
}

.btn-turn {
    background: linear-gradient(135deg, #10b981, #047857);
    color: #fff;
    font-weight: 700;
    border: none;
    padding: 8px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.95rem;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
    transition: transform 0.15s, box-shadow 0.15s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-turn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(16, 185, 129, 0.5);
}

/* Main Container Layout */
.main-layout {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 20px;
}

/* Navigation Tabs */
.tab-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 10px;
}

.tab-btn {
    background: rgba(30, 41, 59, 0.5);
    color: var(--text-secondary);
    border: 1px solid var(--border-glass);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    background: rgba(51, 65, 85, 0.7);
    color: var(--text-primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.25), rgba(30, 41, 59, 0.9));
    border-color: var(--brass-gold);
    color: var(--brass-gold-light);
    font-weight: 700;
    box-shadow: var(--shadow-glow);
}

/* Content Area Cards */
.content-section {
    background: var(--bg-panel);
    border: 1px solid var(--border-brass);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    min-height: 600px;
}

/* Grid Views */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

/* Building Card */
.building-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: transform 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.building-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.building-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.building-count {
    background: rgba(217, 119, 6, 0.2);
    color: var(--brass-gold-light);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 700;
}

.building-details {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.btn-build {
    width: 100%;
    background: rgba(217, 119, 6, 0.2);
    border: 1px solid var(--border-brass);
    color: var(--brass-gold-light);
    padding: 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-build:hover {
    background: var(--brass-gold);
    color: #fff;
}

/* Pop Clout Progress Bar */
.pop-row {
    margin-bottom: 14px;
}

.pop-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.pop-bar-outer {
    background: rgba(15, 23, 42, 0.8);
    height: 10px;
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--border-glass);
}

.pop-bar-inner {
    height: 100%;
    border-radius: 5px;
    transition: width 0.4s ease;
}

/* Market Price Table */
.market-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.market-table th, .market-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-glass);
}

.market-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
}

/* Sidebar Log & Info */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 16px;
    backdrop-filter: blur(12px);
}

.panel-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--brass-gold-light);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 8px;
}

.log-box {
    height: 280px;
    overflow-y: auto;
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-item {
    padding: 6px 10px;
    background: rgba(15, 23, 42, 0.6);
    border-left: 3px solid var(--brass-gold);
    border-radius: 4px;
    line-height: 1.4;
}

/* Modal Window for Academic Events & Theory */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 8, 15, 0.85);
    backdrop-filter: blur(10px);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-card {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 2px solid var(--brass-gold);
    border-radius: var(--radius-lg);
    max-width: 680px;
    width: 100%;
    padding: 30px;
    box-shadow: 0 0 40px var(--brass-glow);
    animation: modalSlide 0.3s ease-out;
}

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

.modal-header {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--brass-gold-light);
    margin-bottom: 14px;
}

.modal-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.theory-box {
    background: rgba(217, 119, 6, 0.1);
    border-left: 4px solid var(--brass-gold);
    padding: 14px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.theory-box-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--brass-gold-light);
    margin-bottom: 4px;
}

.theory-box-content {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.modal-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-btn {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 14px;
    border-radius: var(--radius-md);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
}

.option-btn:hover {
    border-color: var(--brass-gold);
    background: rgba(217, 119, 6, 0.2);
}

.option-badge {
    display: inline-block;
    font-size: 0.75rem;
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-blue);
    padding: 2px 8px;
    border-radius: 10px;
    margin-bottom: 6px;
}

[hidden] {
    display: none !important;
}