/* ============================================================
   MegaCity Builder - Main Stylesheet
   ============================================================ */

/* ---- RESET & BASE ---- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #1a1a2e;
    color: #ecf0f1;
    user-select: none;
    -webkit-user-select: none;
}

canvas {
    display: block;
    cursor: crosshair;
}

/* ---- TOP BAR ---- */
#top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: linear-gradient(180deg, rgba(20, 20, 40, 0.95) 0%, rgba(15, 15, 30, 0.9) 100%);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.stat-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
}

.stat:hover {
    background: rgba(255, 255, 255, 0.1);
}

.stat-icon {
    font-size: 16px;
}

.stat-value {
    font-size: 14px;
    font-weight: 600;
    color: #ecf0f1;
    min-width: 50px;
}

.stat-value.danger { color: #e74c3c; }
.stat-value.warning { color: #f39c12; }

.stat-bar {
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.stat-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease, background 0.3s;
}

.stat-bar-fill.good { background: linear-gradient(90deg, #27ae60, #2ecc71); }
.stat-bar-fill.warning { background: linear-gradient(90deg, #f39c12, #e67e22); }
.stat-bar-fill.danger { background: linear-gradient(90deg, #e74c3c, #c0392b); }

/* Speed Controls */
.speed-controls {
    display: flex;
    gap: 3px;
    background: rgba(0, 0, 0, 0.3);
    padding: 3px;
    border-radius: 6px;
}

.speed-btn {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: #aaa;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 10px;
    transition: all 0.15s;
}

.speed-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.speed-btn.active {
    background: #3498db;
    color: #fff;
}

/* ---- BUILD BAR (Bottom) ---- */
#build-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 4px;
    padding: 6px 10px;
    background: linear-gradient(0deg, rgba(20, 20, 40, 0.95) 0%, rgba(15, 15, 30, 0.9) 100%);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.cat-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    cursor: pointer;
    color: #bbb;
    transition: all 0.2s;
}

.cat-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    transform: translateY(-2px);
}

.cat-btn.active {
    background: rgba(52, 152, 219, 0.3);
    border-color: #3498db;
    color: #fff;
    box-shadow: 0 0 12px rgba(52, 152, 219, 0.3);
}

.cat-btn.demolish-btn.active {
    background: rgba(231, 76, 60, 0.3);
    border-color: #e74c3c;
    box-shadow: 0 0 12px rgba(231, 76, 60, 0.3);
}

.cat-icon {
    font-size: 18px;
}

.cat-name {
    font-size: 10px;
    font-weight: 500;
}

/* Building Panel */
.building-panel {
    display: none;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(10, 10, 25, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    overflow-x: auto;
    max-height: 0;
    transition: max-height 0.3s ease, padding 0.3s;
}

.building-panel.open {
    display: flex;
    max-height: 120px;
}

.building-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 140px;
    flex-shrink: 0;
}

.building-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.building-item.selected {
    background: rgba(52, 152, 219, 0.25);
    border-color: #3498db;
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.3);
}

.building-item.cant-afford {
    opacity: 0.45;
}

.building-item.cant-afford:hover {
    opacity: 0.6;
}

.building-icon {
    font-size: 24px;
}

.building-info {
    display: flex;
    flex-direction: column;
}

.building-name {
    font-size: 12px;
    font-weight: 600;
    color: #ecf0f1;
    white-space: nowrap;
}

.building-cost {
    font-size: 11px;
    color: #f1c40f;
    font-weight: 500;
}

/* ---- NOTIFICATIONS ---- */
#notifications {
    position: fixed;
    top: 60px;
    right: 16px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-width: 350px;
}

.notification {
    padding: 10px 16px;
    border-radius: 8px;
    background: rgba(20, 20, 40, 0.92);
    backdrop-filter: blur(8px);
    border-left: 3px solid #3498db;
    font-size: 13px;
    color: #ecf0f1;
    transform: translateX(120%);
    transition: transform 0.3s ease, opacity 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.notification.show {
    transform: translateX(0);
}

.notification.fade-out {
    opacity: 0;
    transform: translateX(50%);
}

.notif-success { border-left-color: #2ecc71; }
.notif-warning { border-left-color: #f39c12; }
.notif-danger  { border-left-color: #e74c3c; }
.notif-info    { border-left-color: #3498db; }

/* ---- PANELS ---- */
.panel {
    position: fixed;
    top: 60px;
    left: 16px;
    width: 280px;
    max-height: calc(100vh - 180px);
    background: rgba(18, 18, 35, 0.95);
    backdrop-filter: blur(12px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    z-index: 150;
    overflow-y: auto;
    transition: transform 0.25s ease, opacity 0.25s;
}

.panel.hidden {
    transform: translateX(-110%);
    opacity: 0;
    pointer-events: none;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    font-weight: 600;
    font-size: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.panel-close {
    background: none;
    border: none;
    color: #888;
    font-size: 16px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.2s;
}

.panel-close:hover {
    background: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
}

.panel-body {
    padding: 12px 16px;
}

.info-row {
    padding: 4px 0;
    font-size: 13px;
    color: #ccc;
}

.info-row.desc {
    font-style: italic;
    color: #999;
    font-size: 12px;
}

.panel-body hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin: 8px 0;
}

.demolish-building-btn {
    width: 100%;
    padding: 8px;
    margin-top: 10px;
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid rgba(231, 76, 60, 0.3);
    color: #e74c3c;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.demolish-building-btn:hover {
    background: rgba(231, 76, 60, 0.3);
}

/* Budget Panel */
.budget-section {
    margin: 6px 0;
}

.budget-row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
    font-size: 13px;
    color: #bbb;
}

.budget-row.total {
    font-weight: 600;
    padding-top: 6px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.budget-row.net {
    font-size: 14px;
    padding: 6px 0;
}

.good { color: #2ecc71; }
.danger { color: #e74c3c; }

.tax-section {
    margin-top: 12px;
}

.tax-section label {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
    color: #ccc;
}

.tax-section input[type="range"] {
    width: 100%;
    accent-color: #3498db;
}

/* Stats Panel */
#stats-panel {
    left: auto;
    right: 16px;
    top: 60px;
}

#stats-panel.hidden {
    transform: translateX(110%);
}

.stats-grid {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
    color: #ccc;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.happiness-factors {
    margin-top: 6px;
}

.factor-row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
    font-size: 12px;
    color: #aaa;
}

/* ---- TOOLTIP ---- */
#tooltip {
    position: fixed;
    z-index: 300;
    background: rgba(15, 15, 30, 0.95);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 12px;
    color: #ddd;
    max-width: 260px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    line-height: 1.5;
}

#tooltip.hidden {
    display: none;
}

.tt-desc {
    color: #999;
    font-style: italic;
}

.tt-cost {
    color: #f1c40f;
    font-weight: 600;
}

.tt-maint {
    color: #e67e22;
}

.tt-info {
    color: #85c1e9;
}

.tt-bad {
    color: #e74c3c !important;
}

.tt-good {
    color: #2ecc71 !important;
}

.tt-req {
    color: #f39c12;
    font-size: 11px;
}

.tt-size {
    color: #888;
    font-size: 11px;
}

/* ---- WELCOME SCREEN ---- */
#welcome-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 50%, #0d1b2a 100%);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.welcome-content {
    text-align: center;
    max-width: 500px;
    padding: 40px;
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-content h1 {
    font-size: 42px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #3498db, #2ecc71, #f1c40f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-content p {
    font-size: 16px;
    color: #aaa;
    margin-bottom: 30px;
}

.welcome-tips {
    text-align: left;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px 24px;
    border-radius: 12px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.welcome-tips h3 {
    color: #f1c40f;
    margin-bottom: 10px;
    font-size: 14px;
}

.welcome-tips ul {
    list-style: none;
    padding: 0;
}

.welcome-tips li {
    padding: 5px 0;
    font-size: 13px;
    color: #bbb;
    line-height: 1.5;
}

.primary-btn {
    padding: 14px 40px;
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    border: none;
    border-radius: 10px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
    margin-bottom: 12px;
}

.primary-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.secondary-btn {
    padding: 10px 24px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: #aaa;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    #top-bar {
        height: 40px;
        padding: 0 8px;
    }

    .stat {
        padding: 2px 6px;
    }

    .stat-value {
        font-size: 12px;
        min-width: 35px;
    }

    .stat-bar {
        display: none;
    }

    .cat-btn {
        padding: 4px 8px;
    }

    .cat-name {
        display: none;
    }

    .cat-icon {
        font-size: 20px;
    }

    .building-item {
        min-width: 110px;
        padding: 6px 8px;
    }

    .building-name {
        font-size: 11px;
    }

    .panel {
        width: 240px;
    }

    .welcome-content {
        padding: 20px;
    }

    .welcome-content h1 {
        font-size: 28px;
    }
}

/* ---- ANIMATIONS ---- */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.stat-value.danger {
    animation: pulse 1s infinite;
}