/* ============================================
   ATHENA'S LEGACY - Ancient Greek Dark Theme
   Night in Athens – marble, gold & laurel
   ============================================ */

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

:root {
    /* Dark marble & night sky palette */
    --bg-darkest: #08080e;
    --bg-dark: #0e0f18;
    --bg-medium: #151624;
    --bg-light: #1e2035;
    --bg-hover: #262845;
    --bg-active: #30325a;

    /* Warm gold borders (like gilded marble) */
    --border-dark: #2a2520;
    --border-light: #4a3f30;
    --border-gold: #8b7340;
    --border-glow: #c9a84c;

    /* Text */
    --text-primary: #e8e0d0;
    --text-secondary: #9e9480;
    --text-muted: #5e5545;

    /* Greek accent colors */
    --accent-gold: #d4a844;
    --accent-gold-bright: #f0c050;
    --accent-olive: #8a9a3c;
    --accent-green: #5c9a5c;
    --accent-red: #b83838;
    --accent-red-bright: #e04444;
    --accent-blue: #4a7aaa;
    --accent-cyan: #5a9aaa;
    --accent-purple: #7a5aa0;
    --accent-marble: #c8c0b0;

    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #c9a84c, #8b6914);
    --gradient-gold-light: linear-gradient(135deg, #d4a844 0%, #b8942c 50%, #c9a84c 100%);
    --gradient-olive: linear-gradient(135deg, #8a9a3c, #5a6a1c);
    --gradient-marble: linear-gradient(135deg, rgba(200,192,176,0.1), rgba(200,192,176,0.03));

    /* Shadows */
    --shadow-soft: 0 4px 24px rgba(0,0,0,0.5);
    --shadow-gold: 0 0 20px rgba(201,168,76,0.15);
    --shadow-inner: inset 0 1px 0 rgba(201,168,76,0.1);

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --transition: all 0.3s ease;
}

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

/* Dynamic root font-size: scales with viewport for readability on any screen */
html {
    font-size: clamp(15px, calc(0.35vw + 0.2vh + 12px), 21px);
}

body {
    font-family: 'Philosopher', 'Segoe UI', Georgia, serif;
    background: var(--bg-darkest);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(201,168,76,0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(74,122,170,0.03) 0%, transparent 50%);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Scrollbar — dark bronze */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3a3020, #2a2018);
    border-radius: 4px;
    border: 1px solid var(--border-dark);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-gold); }

/* ============================================
   LOGIN SCREEN
   ============================================ */
#login-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-darkest);
    background-image:
        radial-gradient(ellipse at 50% 40%, rgba(201,168,76,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 80%, rgba(74,122,170,0.04) 0%, transparent 50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    flex-direction: column;
}

.login-content {
    text-align: center;
    max-width: 400px;
    padding: 40px;
}

.login-box {
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: var(--shadow-soft), var(--shadow-gold);
    margin-top: 30px;
}

.login-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.5;
}

.btn-google {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 28px;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Philosopher', sans-serif;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    justify-content: center;
}

.btn-google:hover {
    background: var(--bg-hover);
    border-color: var(--border-gold);
    box-shadow: 0 0 12px rgba(201,168,76,0.15);
    transform: translateY(-1px);
}

.btn-google:active {
    transform: translateY(0);
}

.login-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-dark);
}

.btn-local {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: 'Philosopher', sans-serif;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    justify-content: center;
}

.btn-local:hover {
    background: var(--bg-light);
    border-color: var(--border-light);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-local:active {
    transform: translateY(0);
}

.btn-google svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.login-error {
    display: none;
    color: var(--accent-red-bright);
    font-size: 0.85rem;
    margin-top: 16px;
    padding: 8px 12px;
    background: rgba(184,56,56,0.1);
    border: 1px solid rgba(184,56,56,0.2);
    border-radius: 6px;
}

/* ============================================
   PROFILE AVATAR IN TOP BAR
   ============================================ */
#btn-profile {
    background: none;
    border: none;
    cursor: pointer;
    padding: 3px;
    border-radius: 50%;
    transition: box-shadow 0.2s ease;
    display: flex;
    align-items: center;
}

#btn-profile:hover {
    box-shadow: 0 0 10px rgba(201,168,76,0.35);
}

#profile-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border-gold);
    object-fit: cover;
}

#profile-icon {
    font-size: 1.4rem;
}

/* ============================================
   PROFILE MODAL
   ============================================ */
.profile-card {
    text-align: center;
    padding: 10px 0;
}

.profile-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--accent-gold);
    margin-bottom: 12px;
    object-fit: cover;
    box-shadow: 0 0 16px rgba(201,168,76,0.25);
}

.profile-card h3 {
    font-family: 'Cinzel', serif;
    color: var(--accent-gold);
    margin-bottom: 4px;
}

.profile-card .email {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.profile-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin: 16px 0;
    text-align: center;
}

.profile-stats div {
    background: var(--bg-dark);
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-dark);
}

.profile-stats .label {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.profile-stats .value {
    color: var(--accent-gold);
    font-family: 'Cinzel', serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 2px;
}

.btn-logout {
    margin-top: 16px;
    padding: 10px 24px;
    background: rgba(184,56,56,0.15);
    border: 1px solid rgba(184,56,56,0.3);
    border-radius: 8px;
    color: var(--accent-red-bright);
    font-family: 'Philosopher', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: rgba(184,56,56,0.25);
    border-color: var(--accent-red-bright);
}

/* ============================================
   WORLD MAP – MULTIPLAYER STYLES
   ============================================ */
.world-tile.my-island {
    border: 2px solid var(--accent-gold-bright) !important;
    box-shadow: 0 0 20px rgba(201,168,76,0.5), 0 0 40px rgba(201,168,76,0.15);
    animation: myIslandPulse 2.5s ease-in-out infinite;
    z-index: 5;
}

@keyframes myIslandPulse {
    0%, 100% { box-shadow: 0 0 16px rgba(240,192,80,0.4), 0 0 36px rgba(201,168,76,0.12); }
    50% { box-shadow: 0 0 24px rgba(240,192,80,0.65), 0 0 50px rgba(201,168,76,0.25); }
}

.world-tile.other-player {
    border-color: var(--accent-blue) !important;
}

.world-tile-owner {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid var(--border-gold);
    object-fit: cover;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
#loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-darkest);
    background-image:
        radial-gradient(ellipse at center, rgba(201,168,76,0.06) 0%, transparent 60%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

#loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.game-logo {
    font-family: 'Cinzel', serif;
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-gold-light);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    animation: pulse 2.5s infinite;
    letter-spacing: 4px;
}

.loading-subtitle {
    font-family: 'Cinzel', serif;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 30px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.loading-bar-container {
    width: 300px;
    height: 4px;
    background: var(--bg-light);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 15px;
    border: 1px solid var(--border-dark);
}

.loading-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-gold);
    border-radius: 2px;
    transition: width 0.3s ease;
    box-shadow: 0 0 8px rgba(201,168,76,0.4);
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.02); opacity: 0.9; }
}

/* ============================================
   TOP BAR
   ============================================ */
#top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--bg-dark);
    border-bottom: 2px solid var(--border-dark);
    display: flex;
    align-items: center;
    padding: 0 16px;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

/* Gold decorative line under top bar */
#top-bar::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-gold);
    opacity: 0.5;
}

.logo-small {
    font-family: 'Cinzel', serif;
    font-size: 1rem;
    font-weight: 700;
    background: var(--gradient-gold-light);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: 20px;
    white-space: nowrap;
    letter-spacing: 2px;
}

.resources-bar {
    display: flex;
    gap: 12px;
    flex: 1;
    overflow-x: auto;
}

.resource {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: var(--bg-medium);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-dark);
    white-space: nowrap;
    font-size: 0.92rem;
    font-weight: 600;
    transition: var(--transition);
}

.resource:hover {
    border-color: var(--border-gold);
    background: var(--bg-light);
}

.res-icon {
    font-size: 1rem;
}

.res-rate {
    color: var(--accent-olive);
    font-size: 0.78rem;
    font-weight: 600;
}

.top-right {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 16px;
}

.population {
    padding: 5px 10px;
    background: var(--bg-medium);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-dark);
    font-size: 0.92rem;
    font-weight: 600;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-dark);
    background: var(--bg-medium);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-light);
    border-color: var(--border-gold);
}

/* ============================================
   SIDE NAV — Column-style
   ============================================ */
#side-nav {
    position: fixed;
    left: 0;
    top: 56px;
    bottom: 0;
    width: 72px;
    background: var(--bg-dark);
    border-right: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    padding: 12px 0;
    gap: 2px;
    z-index: 999;
}

/* Gold line on right edge */
#side-nav::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--accent-gold) 0%, transparent 50%, var(--accent-gold) 100%);
    opacity: 0.2;
}

.nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 4px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
    font-size: 0.7rem;
    font-family: 'Philosopher', Georgia, serif;
}

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

.nav-btn.active {
    color: var(--accent-gold);
    background: var(--bg-medium);
    border-left-color: var(--accent-gold);
}

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

.nav-label {
    font-family: 'Cinzel', serif;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
#main-content {
    position: fixed;
    top: 56px;
    left: 72px;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    padding: 20px;
}

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.view-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.view-header h2 {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-marble);
    letter-spacing: 1px;
}

.btn-small {
    padding: 4px 10px;
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    font-family: 'Philosopher', Georgia, serif;
    transition: var(--transition);
}

.btn-small:hover {
    background: var(--bg-light);
    color: var(--text-primary);
    border-color: var(--border-gold);
}

/* ============================================
   CITY VIEW — Building Cards (Cinematic)
   Full-bleed gradient backgrounds, large icon,
   text overlay at bottom
   ============================================ */
.city-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.building-card {
    border-radius: 16px;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border: 1px solid rgba(255,255,255,0.06);
}

/* Cinematic gradient background — set per-building via inline style --card-bg */
.building-card .card-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--card-bg, linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%));
    transition: transform 0.4s ease;
}

.building-card:hover .card-bg {
    transform: scale(1.08);
}

/* Large floating emoji icon */
.building-card .card-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    font-size: 4rem;
    z-index: 1;
    filter: drop-shadow(0 4px 20px rgba(0,0,0,0.5));
    transition: transform 0.3s ease, filter 0.3s ease;
    line-height: 1;
}

.building-card:hover .card-icon {
    transform: translate(-50%, -65%) scale(1.15);
    filter: drop-shadow(0 8px 30px rgba(0,0,0,0.6));
}

/* Level badge */
.building-card .card-level {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(201,168,76,0.4);
    color: var(--accent-gold-bright);
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.building-card .card-level.locked {
    color: var(--text-muted);
    border-color: rgba(255,255,255,0.1);
}

/* Bottom info overlay with glass effect */
.building-card .card-info {
    position: relative;
    z-index: 2;
    padding: 16px;
    background: linear-gradient(to top, rgba(8,8,14,0.95) 0%, rgba(8,8,14,0.8) 60%, transparent 100%);
    backdrop-filter: blur(4px);
}

.building-card .card-name {
    font-family: 'Cinzel', serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.building-card .card-desc {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.4;
    margin-bottom: 8px;
}

.building-card .card-production {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-olive);
    padding: 5px 10px;
    background: rgba(138, 154, 60, 0.12);
    border-radius: 6px;
    border-left: 3px solid var(--accent-olive);
    margin-bottom: 8px;
}

.building-card .card-cost {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.building-card .card-time {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 8px;
}

.building-card:hover {
    transform: translateY(-6px);
    box-shadow:
        0 12px 40px rgba(0,0,0,0.5),
        0 0 30px rgba(201,168,76,0.08);
}

.building-card.locked {
    opacity: 0.45;
    cursor: not-allowed;
    filter: grayscale(0.4);
}

.building-card.locked:hover {
    transform: none;
    box-shadow: none;
}

.building-card.upgrading {
    border-color: rgba(201,168,76,0.5);
    box-shadow: 0 0 24px rgba(201,168,76,0.15);
}

.building-card.upgrading::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    z-index: 5;
    background: var(--gradient-gold);
    animation: shimmerGold 2s infinite;
}

@keyframes shimmerGold {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* Cost chips — shared across building/unit/research */
.cost-item {
    font-size: 0.85rem;
    padding: 4px 10px;
    background: rgba(255,255,255,0.06);
    border-radius: 4px;
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.08);
    white-space: nowrap;
    font-weight: 500;
}

.cost-item.insufficient {
    color: var(--accent-red-bright);
    border-color: rgba(184,56,56,0.4);
    background: rgba(184,56,56,0.08);
}

/* Action button — gold gradient, shared */
.card-btn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Cinzel', serif;
    font-size: 0.92rem;
    font-weight: 700;
    transition: all 0.2s ease;
    background: var(--gradient-gold);
    color: #1a1408;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.card-btn:hover {
    opacity: 0.92;
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(201,168,76,0.35);
}

.card-btn:disabled {
    background: rgba(255,255,255,0.06);
    color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Timer bar inside cards */
.building-timer {
    text-align: center;
    padding: 8px;
    background: rgba(212,168,68,0.1);
    border-radius: 8px;
    color: var(--accent-gold);
    font-size: 1rem;
    font-weight: 700;
    border: 1px solid rgba(212,168,68,0.2);
}

.building-progress {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    margin-top: 6px;
    overflow: hidden;
}

.building-progress-bar {
    height: 100%;
    background: var(--gradient-gold);
    border-radius: 3px;
    transition: width 1s linear;
    box-shadow: 0 0 8px rgba(201,168,76,0.5);
}
/* ============================================
   ISLAND VIEW
   ============================================ */
.island-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.island-stat {
    padding: 12px 16px;
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

/* Subtle top gold line on stat cards */
.island-stat::before {
    content: '';
    position: absolute;
    top: 0; left: 20%; right: 20%;
    height: 1px;
    background: var(--gradient-gold);
    opacity: 0.3;
}

.island-stat-label {
    font-family: 'Cinzel', serif;
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.island-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
}

.island-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Island building panel */
.island-building {
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.island-building:hover {
    border-color: rgba(201,168,76,0.25);
}

.island-building-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(255,255,255,0.03), transparent);
    border-bottom: 1px solid var(--border-dark);
}

.island-building-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.island-building-title {
    flex: 1;
    min-width: 0;
}

.island-building-name {
    font-family: 'Cinzel', serif;
    font-size: 1.12rem;
    font-weight: 700;
    color: #fff;
}

.island-building-level {
    font-size: 0.8rem;
    color: var(--accent-gold);
}

.island-building-production {
    font-size: 0.9rem;
    color: var(--accent-olive);
    text-align: right;
    white-space: nowrap;
}

.island-building-production strong {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
}

.island-building-body {
    padding: 16px 20px;
}

/* Worker slider section */
.worker-section {
    margin-bottom: 16px;
}

.worker-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.worker-label strong {
    color: #fff;
}

.worker-cost {
    color: var(--accent-red-bright);
    font-size: 0.8rem;
}

.worker-slider-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.worker-btn {
    min-width: 48px;
    height: 40px;
    padding: 0 14px;
    border: none;
    background: var(--gradient-gold);
    color: #1a1408;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Cinzel', serif;
    font-size: 0.88rem;
    font-weight: 700;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(201,168,76,0.15);
}

.worker-btn:hover {
    opacity: 0.9;
    transform: scale(1.04);
    box-shadow: 0 4px 14px rgba(201,168,76,0.3);
}

.worker-btn:active {
    transform: scale(0.97);
}

.worker-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 10px;
    background: var(--bg-dark);
    border-radius: 5px;
    outline: none;
    border: 1px solid var(--border-dark);
    margin: 0;
    vertical-align: middle;
}

.worker-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gradient-gold);
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(201,168,76,0.5);
    transition: transform 0.15s;
    margin-top: -6px;
}

.worker-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.worker-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gradient-gold);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 10px rgba(201,168,76,0.5);
}

.worker-slider::-webkit-slider-runnable-track {
    height: 10px;
    border-radius: 5px;
}

.worker-bar {
    height: 6px;
    background: var(--bg-dark);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid var(--border-dark);
}

.worker-bar-fill {
    height: 100%;
    background: var(--gradient-gold);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Island upgrade section */
.island-upgrade {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.island-upgrade-cost {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.island-upgrade-btn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: var(--gradient-gold);
    color: #1a1408;
    font-family: 'Cinzel', serif;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.island-upgrade-btn:hover {
    opacity: 0.9;
    transform: scale(1.01);
    box-shadow: 0 2px 12px rgba(201,168,76,0.3);
}

.island-upgrade-btn:disabled {
    background: var(--bg-medium);
    color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ============================================
   WORLD MAP — Full-screen immersive grid
   ============================================ */
.world-map {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 5px;
    width: 100%;
    /* Fill available height: viewport - top bar - header - padding */
    min-height: calc(100vh - 56px - 80px - 40px);
}

.world-tile {
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    padding: 8px 4px;
    overflow: hidden;
    min-height: 0;
}

.world-tile:hover {
    border-color: var(--border-gold);
    transform: scale(1.04);
    z-index: 10;
    box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}

/* ---- Water tiles ---- */
.world-tile.water {
    background: linear-gradient(160deg, #0a1628 0%, #0d1f3a 40%, #0f2848 100%);
    border-color: rgba(20, 50, 100, 0.25);
    cursor: default;
}

.world-tile.water:hover {
    transform: none;
    box-shadow: none;
    border-color: rgba(20, 50, 100, 0.25);
}

.wt-water-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(40, 90, 160, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 70%, rgba(30, 70, 140, 0.08) 0%, transparent 50%);
}

.wt-water-bg::after {
    content: '~';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    color: rgba(60, 120, 200, 0.15);
    font-weight: 700;
}

/* ---- Island tiles ---- */
.world-tile.island {
    background: linear-gradient(145deg, #1a2518 0%, #243320 50%, #1a2a18 100%);
    border-color: rgba(80, 110, 50, 0.35);
}

.world-tile.free-island {
    background: linear-gradient(145deg, #1a2518 0%, #243320 50%, #1a2a18 100%);
    border-color: rgba(80, 110, 50, 0.3);
}

.world-tile.my-island {
    background: linear-gradient(145deg, #332a10 0%, #3d3218 50%, #332a10 100%);
    border-color: var(--accent-gold-bright);
}

.world-tile.other-player {
    background: linear-gradient(145deg, #18202a 0%, #1a2840 50%, #15202e 100%);
    border-color: rgba(74,122,170,0.5);
    box-shadow: 0 0 8px rgba(74,122,170,0.1);
}

/* ---- Tile content ---- */
.wt-icon {
    font-size: 2rem;
    line-height: 1;
    margin-bottom: 4px;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
}

.wt-name {
    font-family: 'Cinzel', serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    line-height: 1.2;
    margin-bottom: 4px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.6);
    word-break: break-word;
}

.wt-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    width: 100%;
}

.wt-luxury {
    font-size: 0.72rem;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.wt-population {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.wt-pop-occupied {
    color: #fff;
    font-weight: 700;
}

.wt-pop-free {
    color: var(--accent-olive);
    font-size: 0.62rem;
}

.wt-pop-full {
    color: var(--accent-red-bright);
    font-size: 0.62rem;
}

.wt-levels {
    display: flex;
    gap: 6px;
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.wt-levels span {
    padding: 1px 4px;
    background: rgba(255,255,255,0.05);
    border-radius: 3px;
}

/* ---- Island Detail Modal ---- */
.island-detail-header {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.island-detail-stat {
    flex: 1;
    min-width: 80px;
    padding: 10px 14px;
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    text-align: center;
}

.island-detail-label {
    display: block;
    font-family: 'Cinzel', serif;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.island-detail-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.island-detail-section-title {
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    color: var(--accent-gold);
    margin-bottom: 14px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(201,168,76,0.2);
    letter-spacing: 0.5px;
}

.island-slot-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.island-slot-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 6px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-dark);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.island-slot-card:hover {
    border-color: rgba(201,168,76,0.3);
}

.island-slot-mine {
    background: linear-gradient(145deg, rgba(201,168,76,0.1), rgba(201,168,76,0.03));
    border-color: rgba(201,168,76,0.4) !important;
    box-shadow: 0 0 10px rgba(201,168,76,0.1);
}

.island-slot-taken {
    background: linear-gradient(145deg, rgba(74,122,170,0.08), rgba(74,122,170,0.02));
    border-color: rgba(74,122,170,0.3);
}

.island-slot-free {
    background: var(--bg-dark);
    border-style: dashed;
    border-color: rgba(255,255,255,0.1);
    opacity: 0.7;
}

.island-slot-pos {
    position: absolute;
    top: 4px;
    left: 6px;
    font-size: 0.55rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.island-slot-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border-gold);
    object-fit: cover;
    margin-bottom: 6px;
}

.island-slot-avatar-placeholder {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.island-slot-city {
    font-family: 'Cinzel', serif;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    word-break: break-word;
}

.island-slot-owner {
    font-size: 0.62rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Widen modal when it contains island detail */
.modal:has(.island-slot-grid) {
    max-width: 680px;
}

/* ---- Large screen adjustments ---- */
@media (min-width: 1600px) {
    .wt-icon { font-size: 2.4rem; }
    .wt-name { font-size: 0.85rem; }
    .wt-luxury { font-size: 0.78rem; }
    .wt-population { font-size: 0.74rem; }
    .wt-levels { font-size: 0.72rem; }
    .island-slot-grid { gap: 14px; }
    .island-slot-card { padding: 14px 8px; }
}

@media (min-width: 2200px) {
    .wt-icon { font-size: 2.8rem; }
    .wt-name { font-size: 0.92rem; }
    .wt-luxury { font-size: 0.82rem; }
    .wt-population { font-size: 0.78rem; }
    .wt-levels { font-size: 0.78rem; }
}

/* ============================================
   MILITARY VIEW — Unit Cards (Cinematic)
   ============================================ */
.military-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.unit-card {
    border-radius: 16px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border: 1px solid rgba(255,255,255,0.06);
}

.unit-card .card-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--card-bg, linear-gradient(135deg, #2d1117 0%, #3d1a23 50%, #1a0a10 100%));
    transition: transform 0.4s ease;
}

.unit-card:hover .card-bg {
    transform: scale(1.08);
}

.unit-card .card-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    font-size: 3.5rem;
    z-index: 1;
    filter: drop-shadow(0 4px 20px rgba(0,0,0,0.5));
    transition: transform 0.3s ease;
    line-height: 1;
}

.unit-card:hover .card-icon {
    transform: translate(-50%, -65%) scale(1.15);
}

.unit-card .card-count {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(201,168,76,0.4);
    color: var(--accent-gold-bright);
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: 20px;
}

.unit-card .card-info {
    position: relative;
    z-index: 2;
    padding: 16px;
    background: linear-gradient(to top, rgba(8,8,14,0.95) 0%, rgba(8,8,14,0.85) 60%, transparent 100%);
}

.unit-card .card-name {
    font-family: 'Cinzel', serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.unit-card .card-desc {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 8px;
}

.unit-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 24px rgba(184,56,56,0.08);
}

.unit-card.locked-unit {
    opacity: 0.4;
    filter: grayscale(0.4);
}

.unit-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    margin-bottom: 10px;
}

.unit-stat {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
    padding: 4px 8px;
    background: rgba(255,255,255,0.04);
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.06);
}

.unit-stat span {
    color: #fff;
    font-weight: 600;
}

.train-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.train-input {
    flex: 1;
    padding: 8px 10px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Philosopher', Georgia, serif;
    font-size: 0.9rem;
    text-align: center;
}

.train-input:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.train-btn {
    padding: 8px 18px;
    background: var(--gradient-gold);
    border: none;
    border-radius: 8px;
    color: #1a1408;
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.train-btn:hover {
    opacity: 0.92;
    box-shadow: 0 4px 14px rgba(201,168,76,0.3);
}

.train-btn:disabled {
    background: rgba(255,255,255,0.06);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* ============================================
   RESEARCH VIEW — Research Cards (Cinematic)
   ============================================ */
.research-tree {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.research-card {
    border-radius: 16px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border: 1px solid rgba(255,255,255,0.06);
}

.research-card .card-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--card-bg, linear-gradient(135deg, #0a1628 0%, #12233d 50%, #071220 100%));
    transition: transform 0.4s ease;
}

.research-card:hover .card-bg {
    transform: scale(1.08);
}

.research-card .card-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    font-size: 3.2rem;
    z-index: 1;
    filter: drop-shadow(0 4px 20px rgba(0,0,0,0.5));
    transition: transform 0.3s ease;
    line-height: 1;
}

.research-card:hover .card-icon {
    transform: translate(-50%, -65%) scale(1.15);
}

.research-card .card-info {
    position: relative;
    z-index: 2;
    padding: 16px;
    background: linear-gradient(to top, rgba(8,8,14,0.95) 0%, rgba(8,8,14,0.8) 60%, transparent 100%);
}

.research-card .card-name {
    font-family: 'Cinzel', serif;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.research-card .card-desc {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 6px;
    line-height: 1.4;
}

.research-card .card-effect {
    font-size: 0.8rem;
    color: var(--accent-cyan);
    padding: 5px 10px;
    background: rgba(90, 154, 170, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--accent-cyan);
    margin-bottom: 8px;
}

.research-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 24px rgba(90,154,170,0.08);
}

.research-card.completed {
    border-color: rgba(138, 154, 60, 0.4);
}

.research-card.completed .card-bg {
    filter: brightness(0.8) saturate(0.7);
}

.research-card.completed .card-info::after {
    content: '✅';
    position: absolute;
    top: -28px;
    right: 12px;
    font-size: 1.2rem;
}

.research-card.locked {
    opacity: 0.35;
    cursor: not-allowed;
    filter: grayscale(0.4);
}

.research-card.locked:hover {
    transform: none;
    box-shadow: none;
}

.research-status {
    font-size: 0.82rem;
    color: var(--accent-olive);
    font-weight: 600;
}

/* Section headers for branches (military/research) */
.section-header {
    grid-column: 1/-1;
    padding: 16px 0 8px;
    border-bottom: 1px solid rgba(201,168,76,0.15);
    margin-bottom: 4px;
}

.section-header h3 {
    margin: 0;
    color: var(--accent-gold);
    font-family: 'Cinzel', serif;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1px;
}

/* ============================================
   BUILD QUEUE
   ============================================ */
.build-queue {
    position: fixed;
    bottom: 0;
    left: 72px;
    right: 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-dark);
    padding: 8px 16px;
    display: none;
    z-index: 999;
    position: relative;
}

.build-queue::before {
    content: '';
    position: absolute;
    top: -1px; left: 0; right: 0;
    height: 1px;
    background: var(--gradient-gold);
    opacity: 0.3;
}

.build-queue {
    position: fixed;
}

.build-queue.visible {
    display: block;
}

.build-queue h3 {
    font-family: 'Cinzel', serif;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 1px;
}

#queue-list {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.queue-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    font-size: 0.8rem;
    min-width: fit-content;
}

.queue-item:first-child {
    border-color: var(--accent-gold);
    box-shadow: 0 0 8px rgba(201,168,76,0.15);
}

.queue-timer {
    color: var(--accent-gold);
    font-weight: 600;
}

.queue-cancel {
    background: none;
    border: none;
    color: var(--accent-red);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0 4px;
}

/* ============================================
   MODAL — Marble-framed
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(6px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal {
    background: var(--bg-dark);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-soft), var(--shadow-gold);
    position: relative;
}

/* Double-line gold decoration */
.modal::before {
    content: '';
    position: absolute;
    top: 0; left: 12px; right: 12px;
    height: 2px;
    background: var(--gradient-gold);
    border-radius: 2px;
}

.modal::after {
    content: '';
    position: absolute;
    bottom: 0; left: 12px; right: 12px;
    height: 1px;
    background: var(--gradient-gold);
    opacity: 0.4;
    border-radius: 2px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-dark);
}

.modal-header h3 {
    font-family: 'Cinzel', serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-marble);
    letter-spacing: 0.5px;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-dark);
    background: var(--bg-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: white;
}

.modal-body {
    padding: 20px;
}

.modal-body p {
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.5;
}

.modal-body .cost-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-medium);
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    font-size: 0.85rem;
    border: 1px solid var(--border-dark);
}

.modal-body .cost-row.insufficient {
    color: var(--accent-red-bright);
    border-color: rgba(184,56,56,0.25);
}

.modal-body .btn-upgrade {
    width: 100%;
    padding: 12px;
    margin-top: 16px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--gradient-gold);
    color: #1a1408;
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-body .btn-upgrade:hover {
    opacity: 0.9;
    transform: scale(1.01);
    box-shadow: 0 2px 16px rgba(201,168,76,0.3);
}

.modal-body .btn-upgrade:disabled {
    background: var(--bg-medium);
    color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.modal-body .research-effect {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    padding: 6px 10px;
    background: rgba(90, 154, 170, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--accent-cyan);
    margin-bottom: 8px;
}

.modal-section {
    margin-bottom: 16px;
}

.modal-section h4 {
    font-family: 'Cinzel', serif;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
#toast-container {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    background: var(--bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    font-size: 0.85rem;
    animation: slideInRight 0.3s ease;
    max-width: 350px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast.success {
    border-color: var(--accent-olive);
    background: rgba(138, 154, 60, 0.1);
}

.toast.error {
    border-color: var(--accent-red);
    background: rgba(184, 56, 56, 0.1);
}

.toast.info {
    border-color: var(--accent-blue);
    background: rgba(74, 122, 170, 0.1);
}

.toast.warning {
    border-color: var(--accent-gold);
    background: rgba(201, 168, 76, 0.1);
}

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

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

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-gold { color: var(--accent-gold); }
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red-bright); }
.text-blue { color: var(--accent-blue); }
.text-purple { color: var(--accent-purple); }
.text-cyan { color: var(--accent-cyan); }
.text-muted { color: var(--text-muted); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }

/* Settings modal */
.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-dark);
}

.settings-row:last-child {
    border-bottom: none;
}

.settings-label {
    font-size: 0.9rem;
}

.settings-btn {
    padding: 6px 16px;
    border: 1px solid var(--border-dark);
    background: var(--bg-medium);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: 'Philosopher', Georgia, serif;
    font-size: 0.85rem;
    transition: var(--transition);
}

.settings-btn:hover {
    background: var(--bg-light);
    border-color: var(--border-gold);
}

.settings-btn.danger {
    border-color: var(--accent-red);
    color: var(--accent-red-bright);
}

.settings-btn.danger:hover {
    background: rgba(184, 56, 56, 0.15);
}

/* Rename input */
.rename-input {
    padding: 8px 12px;
    background: var(--bg-medium);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Philosopher', Georgia, serif;
    font-size: 1rem;
    width: 100%;
    margin-bottom: 12px;
}

.rename-input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 8px rgba(201,168,76,0.15);
}

/* ============================================
   RESPONSIVE LAYOUT FOR LARGE SCREENS
   ============================================ */
@media (min-width: 1600px) {
    #top-bar { height: 64px; padding: 0 24px; }
    #side-nav { top: 64px; width: 84px; }
    #main-content { top: 64px; left: 84px; padding: 28px; }
    .build-queue { left: 84px; }
    .nav-icon { font-size: 1.7rem; }
    .logo-small { font-size: 1.12rem; }
    .building-card { min-height: 250px; }
    .unit-card { min-height: 260px; }
    .building-card .card-icon { font-size: 4.5rem; }
    .unit-card .card-icon { font-size: 4rem; }
    .research-card .card-icon { font-size: 3.6rem; }
    .world-map { min-height: calc(100vh - 64px - 80px - 56px); }
}

@media (min-width: 2200px) {
    #top-bar { height: 72px; padding: 0 32px; }
    #side-nav { top: 72px; width: 96px; }
    #main-content { top: 72px; left: 96px; padding: 36px; }
    .build-queue { left: 96px; }
    .nav-icon { font-size: 1.9rem; }
    .logo-small { font-size: 1.2rem; }
    .building-card { min-height: 280px; }
    .unit-card { min-height: 280px; }
    .building-card .card-icon { font-size: 5rem; }
    .unit-card .card-icon { font-size: 4.5rem; }
    .research-card .card-icon { font-size: 4rem; }
    .island-building-icon { font-size: 2.5rem; }
    .world-map { min-height: calc(100vh - 72px - 80px - 72px); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    #side-nav {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 60px;
        flex-direction: row;
        justify-content: space-around;
        padding: 4px 0;
        border-right: none;
        border-top: 1px solid var(--border-dark);
    }

    #side-nav::after { display: none; }

    .nav-btn {
        border-left: none;
        border-top: 3px solid transparent;
        padding: 6px 8px;
    }

    .nav-btn.active {
        border-left-color: transparent;
        border-top-color: var(--accent-gold);
    }

    #main-content {
        left: 0;
        bottom: 60px;
        padding: 12px;
    }

    .build-queue {
        left: 0;
        bottom: 60px;
    }

    .resources-bar {
        gap: 6px;
    }

    .resource {
        padding: 4px 6px;
        font-size: 0.78rem;
    }

    .res-rate {
        display: none;
    }

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

    .game-logo {
        font-size: 2rem;
    }
}