/* ============================================================
   EconQ — World Strategy Game UI
   ============================================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --primary:       #00d4ff;
    --primary-dim:   rgba(0, 212, 255, 0.15);
    --primary-glow:  0 0 20px rgba(0, 212, 255, 0.4);
    --accent:        #ff6b35;
    --accent-glow:   0 0 20px rgba(255, 107, 53, 0.4);
    --gold:          #ffd700;
    --green:         #00ff88;
    --red:           #ff4455;

    --bg:            #08101f;
    --bg-panel:      rgba(8, 16, 31, 0.94);
    --bg-card:       rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(0, 212, 255, 0.06);

    --text:          #dce8ff;
    --text-dim:      #5a6a8a;
    --text-mid:      #9aadcc;

    --border:        rgba(0, 212, 255, 0.18);
    --border-hover:  rgba(0, 212, 255, 0.5);

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

    --panel-width:   340px;
    --hud-h-top:     58px;
    --hud-h-bot:     38px;

    --transition:    0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: 'Rajdhani', 'Segoe UI', sans-serif;
    font-size: 16px;
}

/* ============================================================
   Loading Screen
   ============================================================ */
#loading-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease;
}

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

.loading-content {
    text-align: center;
    user-select: none;
}

.loading-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: 0.35em;
    color: var(--primary);
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.6), 0 0 60px rgba(0, 212, 255, 0.3);
    animation: logo-pulse 2.5s ease-in-out infinite;
}

.loading-tagline {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.6em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-top: 0.5rem;
}

.loading-bar-wrap {
    width: min(320px, 80vw);
    height: 2px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 2px;
    margin: 2.5rem auto 0;
    overflow: hidden;
}

.loading-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    animation: bar-fill 2.2s ease-in-out forwards;
    transform-origin: left;
}

@keyframes logo-pulse {
    0%, 100% { text-shadow: 0 0 30px rgba(0,212,255,.6), 0 0 60px rgba(0,212,255,.3); }
    50%       { text-shadow: 0 0 50px rgba(0,212,255,.9), 0 0 100px rgba(0,212,255,.5), 0 0 140px rgba(0,212,255,.2); }
}

@keyframes bar-fill {
    0%   { width: 0%; }
    60%  { width: 80%; }
    100% { width: 100%; }
}

/* ============================================================
   Map
   ============================================================ */
#map {
    position: fixed;
    inset: 0;
    z-index: 1;
    background: #0d1829;
}

/* ============================================================
   HUD — Top Bar
   ============================================================ */
.hud-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--hud-h-top);
    z-index: 800;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    background: linear-gradient(180deg, rgba(8,16,31,.92) 0%, rgba(8,16,31,0) 100%);
    pointer-events: none;
}

.hud-logo {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-wordmark {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.35rem;
    font-weight: 900;
    letter-spacing: 0.25em;
    color: var(--primary);
    text-shadow: var(--primary-glow);
    text-decoration: none;
}

.logo-badge {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #000;
    background: var(--accent);
    border-radius: 4px;
    padding: 1px 5px;
    text-transform: uppercase;
}

.hud-controls {
    display: flex;
    gap: 6px;
    pointer-events: auto;
}

.hud-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.hud-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-dim);
    opacity: 0;
    transition: opacity var(--transition);
}

.hud-btn:hover::after,
.hud-btn.active::after {
    opacity: 1;
}

.hud-btn:hover,
.hud-btn.active {
    border-color: var(--primary);
    box-shadow: var(--primary-glow);
}

/* ============================================================
   HUD — Bottom Status Bar
   ============================================================ */
.hud-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--hud-h-bot);
    z-index: 800;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    background: linear-gradient(0deg, rgba(8,16,31,.88) 0%, rgba(8,16,31,0) 100%);
    pointer-events: none;
    gap: 12px;
}

.hud-stat {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.hud-stat i {
    font-size: 0.62rem;
}

.hud-stat.stat-online i  { color: var(--green); animation: online-blink 2.5s ease infinite; }
.hud-stat.stat-offline i { color: var(--red); }

@keyframes online-blink {
    0%, 90%, 100% { opacity: 1; }
    50%            { opacity: 0.25; }
}

/* ============================================================
   Layer Panel
   ============================================================ */
.layer-panel {
    position: fixed;
    top: 0;
    right: calc(-1 * var(--panel-width) - 2px);
    width: var(--panel-width);
    height: 100%;
    z-index: 1200;
    background: var(--bg-panel);
    border-left: 1px solid var(--border);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    transition: right var(--transition);
    overflow: hidden;
}

.layer-panel.open {
    right: 0;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    min-height: var(--hud-h-top);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.panel-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.15em;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-close-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.panel-close-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.panel-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 14px 14px 24px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.panel-body::-webkit-scrollbar { width: 4px; }
.panel-body::-webkit-scrollbar-track { background: transparent; }
.panel-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Section headings inside panel */
.panel-section-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.58rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 10px 2px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 10px;
}

/* Base Layer Cards Grid */
.base-layers-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.layer-card {
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-card);
    position: relative;
}

.layer-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.layer-card.active {
    border-color: var(--primary);
    box-shadow: var(--primary-glow);
}

.layer-card-check {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    color: #000;
    font-weight: 900;
    z-index: 2;
    box-shadow: 0 0 8px rgba(0,212,255,.6);
}

.layer-card.active .layer-card-check {
    display: flex;
}

.layer-thumb {
    width: 100%;
    height: 72px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #1a2540;
    position: relative;
}

.layer-thumb::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(0deg, rgba(8,16,31,.7) 0%, transparent 100%);
}

.layer-label {
    padding: 6px 8px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.04em;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Overlay Toggle Items */
.overlay-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.overlay-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-card);
    user-select: none;
}

.overlay-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.overlay-item-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.overlay-item-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    background: rgba(255,255,255,0.05);
    flex-shrink: 0;
}

.overlay-item-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-mid);
    letter-spacing: 0.03em;
}

.overlay-item.on .overlay-item-name {
    color: var(--text);
}

/* Toggle switch */
.toggle-switch {
    width: 36px;
    height: 18px;
    border-radius: 9px;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--border);
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}

.toggle-switch.on {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(0,212,255,.5);
}

.toggle-knob {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    transition: left var(--transition);
    box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

.toggle-switch.on .toggle-knob {
    left: calc(100% - 14px);
    background: #fff;
}

/* ============================================================
   Dimmer overlay when panel is open
   ============================================================ */
.panel-dimmer {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(0,0,0,0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.panel-dimmer.active {
    opacity: 1;
    pointer-events: auto;
}

/* ============================================================
   Leaflet overrides
   ============================================================ */
.leaflet-container {
    background: #0d1829;
    font-family: 'Rajdhani', sans-serif;
}

.leaflet-control-zoom {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.leaflet-control-zoom a {
    background: var(--bg-panel) !important;
    color: var(--primary) !important;
    border-bottom-color: var(--border) !important;
    width: 36px !important;
    height: 36px !important;
    line-height: 36px !important;
    font-size: 18px !important;
    transition: background var(--transition) !important;
}

.leaflet-control-zoom a:hover {
    background: var(--primary-dim) !important;
}

.leaflet-control-attribution {
    background: rgba(8,16,31,.82) !important;
    color: #3a4a6a !important;
    font-size: 9px !important;
    border-radius: 4px 0 0 0 !important;
    padding: 2px 6px !important;
}

.leaflet-control-attribution a {
    color: #4a5a7a !important;
}

/* ============================================================
   Mobile — phones & tablets
   ============================================================ */
@media (max-width: 640px) {
    :root {
        --panel-width: 100vw;
    }

    .layer-panel {
        right: -100vw;
    }

    .logo-badge { display: none; }

    .hud-stat:nth-child(2) { display: none; }

    .base-layers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .layer-thumb { height: 60px; }
}

@media (min-width: 641px) and (max-width: 1024px) {
    :root {
        --panel-width: 360px;
    }

    .base-layers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .base-layers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet landscape — keep panel narrower */
@media (min-height: 600px) and (orientation: landscape) and (max-width: 1024px) {
    .layer-thumb { height: 56px; }
}

/* Safe area insets for modern phones (notch, home bar) */
@supports (padding: env(safe-area-inset-bottom)) {
    .hud-bottom {
        padding-bottom: calc(4px + env(safe-area-inset-bottom));
        height: calc(var(--hud-h-bot) + env(safe-area-inset-bottom));
    }
    .hud-top {
        padding-top: env(safe-area-inset-top);
        height: calc(var(--hud-h-top) + env(safe-area-inset-top));
    }
}

/* ============================================================
   Utility
   ============================================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
}