:root {
    --bg-primary: #0f0f0f; --bg-secondary: #1a1a1a; --bg-tertiary: #252525;
    --text-primary: #ffffff; --text-secondary: #b0b0b0; --text-muted: #808080;
    --border-color: #333333; --hover-bg: #2a2a2a; --menu-bg: rgba(26, 26, 26, 0.95);
    --popup-bg: rgba(30, 30, 30, 0.95); --shadow: rgba(0, 0, 0, 0.3);
    --accent-color: #667eea; --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --depot-width: 130px; --gantry-width: 116px; --gantry-depot-left: 42px; --gantry-train-left: 182px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary); color: var(--text-primary); position: fixed; width: 100%; height: 100%; overflow: hidden; }
.setup-screen { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-primary);
    display: flex; align-items: center; justify-content: center; z-index: 10000; transition: opacity 0.5s ease; }
.setup-screen.hidden { opacity: 0; pointer-events: none; }
.setup-container { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 16px;
    padding: 40px; max-width: 500px; width: 90%; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); }
.setup-header { text-align: center; margin-bottom: 30px; }
.setup-header h1 { font-size: 28px; margin: 0 0 10px; background: var(--accent-gradient);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.setup-header p { color: var(--text-secondary); margin: 0; font-size: 14px; }
.setup-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 14px; font-weight: 600; color: var(--text-secondary); }
.form-group input { padding: 14px 16px; border: 1px solid var(--border-color); border-radius: 8px;
    background: var(--bg-primary); color: var(--text-primary); font-size: 16px; }
.form-group input:focus { outline: none; border-color: var(--accent-color); box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2); }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-hint a { color: var(--accent-color); text-decoration: none; }
.btn-primary { padding: 14px 24px; background: var(--accent-gradient); border: none; border-radius: 8px;
    color: white; font-size: 16px; font-weight: 600; cursor: pointer; transition: transform 0.2s; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.setup-divider { display: flex; align-items: center; gap: 15px; color: var(--text-muted); font-size: 12px; }
.setup-divider::before, .setup-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-color); }
.saved-sessions { background: var(--bg-tertiary); border-radius: 8px; padding: 15px; }
.saved-sessions h3 { font-size: 14px; margin: 0 0 10px; color: var(--text-secondary); }
.saved-account-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--bg-secondary);
    border-radius: 8px; margin-bottom: 8px; cursor: pointer; transition: all 0.2s; border: 2px solid transparent; }
.saved-account-item:hover { background: var(--hover-bg); }
.saved-account-item.active { border-color: var(--accent-color); background: var(--bg-tertiary); }
.saved-account-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--accent-color);
    display: flex; align-items: center; justify-content: center; font-weight: 700; color: white; flex-shrink: 0; }
.saved-account-info { flex: 1; min-width: 0; }
.saved-account-name { font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.saved-account-meta { font-size: 11px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.saved-account-delete { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px 8px;
    border-radius: 4px; font-size: 14px; opacity: 0.6; transition: all 0.2s; }
.saved-account-delete:hover { opacity: 1; background: rgba(255,0,0,0.1); color: #ff4444; }
.fetch-screen { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-primary);
    display: flex; align-items: center; justify-content: center; z-index: 9999; transition: opacity 0.5s ease; }
.fetch-screen.hidden { opacity: 0; pointer-events: none; }
.fetch-screen.hidden { opacity: 0; pointer-events: none; }
.fetch-container { text-align: center; max-width: 500px; width: 90%; padding: 40px; }
.cargo-scene { width: 100%; max-width: 500px; height: 200px; margin: 0 auto 20px; position: relative; overflow: hidden; user-select: none; contain: layout paint style; }
.cargo-stage { position: absolute; top: 2px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--accent-color);
    font-weight: 600; letter-spacing: 0.4px; opacity: 0; transition: opacity 0.3s; white-space: nowrap; z-index: 20; }
.cargo-stage.visible { opacity: 1; }
.cargo-ground { position: absolute; bottom: 0; left: 0; right: 0; height: 22px; z-index: 0;
    background: linear-gradient(180deg, #3a3530 0%, #2e2a25 100%); border-top: 1px solid rgba(255,255,255,0.06); }
.cargo-rails { position: absolute; bottom: 14px; left: var(--depot-width); right: 0; height: 13px; z-index: 1; }
.cargo-rails::before { content: ''; position: absolute; top: 1px; left: 0; right: 0; height: 2px;
    background: linear-gradient(180deg, #c7ccd2 0%, #98a0a8 48%, #6f7781 100%); border-radius: 2px;
    box-shadow: 0 1px 0 rgba(255,255,255,0.2), 0 2px 5px rgba(0,0,0,0.35); }
.cargo-rails::after { content: ''; position: absolute; top: 3px; left: 0; right: 0; height: 2px;
    background: linear-gradient(180deg, #5f6670 0%, #3f454d 100%); border-radius: 0 0 2px 2px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.12); }
.buffer-stop { position: absolute; left: 0; bottom: 8px; width: 20px; height: 20px; z-index: 2;
    pointer-events: none;
    background: center bottom / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cg transform='translate(32 0) scale(-1 1)'%3E%3Cpath fill='none' stroke='%23646464' stroke-width='6.81511784' d='M12.160561 8.4267H3.921841'/%3E%3Cpath fill='none' stroke='%23000' stroke-width='5.80712891' d='M4.34043 13.8788V2.9746'/%3E%3Cpath fill='%23b90000' stroke='%23b90000' stroke-width='5' d='M14.46743 25.5937V5.8964h6.499883l6.824514 19.6973z'/%3E%3C/g%3E%3C/svg%3E"); }
.cargo-sleepers { position: absolute; left: 0; right: 0; bottom: 0; height: 6px;
    background: repeating-linear-gradient(90deg,
        transparent 0px,
        transparent 4px,
        rgba(95,69,45,0.98) 4px,
        rgba(95,69,45,0.98) 10px,
        rgba(61,44,28,0.95) 10px,
        rgba(61,44,28,0.95) 12px,
        transparent 12px,
        transparent 20px);
    border-top: 1px solid rgba(0,0,0,0.35);
    box-shadow: 0 -1px 0 rgba(255,255,255,0.07), 0 1px 0 rgba(0,0,0,0.25); }
.depot-platform { position: absolute; left: 0; bottom: 22px; width: var(--depot-width); height: 4px;
    background: linear-gradient(180deg, #505050 0%, #404040 100%); }
.depot-zone { position: absolute; left: 4px; bottom: 26px; width: calc(var(--depot-width) - 8px); height: 100px; overflow: hidden; display: flex; align-items: flex-end; justify-content: flex-end; }
.depot-label { position: absolute; top: 64px; left: 6px; font-size: 8px; color: var(--text-muted);
    letter-spacing: 0.5px; text-transform: uppercase; opacity: 0.6; }
.depot-stack { display: flex; gap: 3px; align-items: flex-end; transition: transform 0.3s ease; }
.depot-col { display: flex; flex-direction: column-reverse; gap: 2px; }
.crate { width: 28px; height: 18px; border-radius: 1px; position: relative; flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.08); opacity: 0; }
.crate.arrive { animation: crate-drop 0.28s cubic-bezier(0.34, 1.4, 0.64, 1) forwards; }
@keyframes crate-drop { 0% { opacity: 0; transform: translateY(-24px) scale(0.85); }
    65% { opacity: 1; transform: translateY(1px) scale(1.03); } 100% { opacity: 1; transform: translateY(0) scale(1); } }
.crate.pickup { animation: crate-lift 0.16s ease-in forwards; }
@keyframes crate-lift { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(-30px) scale(0.9); } }
.crate-ribs { position: absolute; top: 2px; bottom: 2px; left: 1px; right: 1px; pointer-events: none; border-radius: 1px;
    background: repeating-linear-gradient(90deg, rgba(0,0,0,0.08) 0px, rgba(0,0,0,0.08) 1px, transparent 1px, transparent 3px); }
.crate-lbl { position: absolute; bottom: 1px; right: 2px; font-size: 5px; font-weight: 700;
    color: rgba(255,255,255,0.55); line-height: 1; pointer-events: none; }
.gantry { position: absolute; left: 160px; bottom: 22px; width: var(--gantry-width); height: 140px; z-index: 10;
    transition: left 0.28s cubic-bezier(0.4, 0, 0.2, 1); will-change: left; }
.gantry.at-depot { left: var(--gantry-depot-left); }
.gantry.at-train { left: var(--gantry-train-left); }
.gantry-leg { position: absolute; bottom: 0; width: 5px; height: 95px;
    background: repeating-linear-gradient(180deg, #ffc107 0px, #ffc107 6px, #c89900 6px, #c89900 8px); }
.gantry-leg.l { left: 15px; } .gantry-leg.r { right: 15px; }
.gantry-beam { position: absolute; bottom: 95px; left: 10px; right: 10px; height: 7px;
    background: linear-gradient(180deg, #ffc107 0%, #d4a000 100%); border-radius: 1px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.gantry-trolley { position: absolute; top: -3px; width: 14px; height: 6px; background: #555; border-radius: 1px;
    left: 50%; transform: translateX(-50%); }
.gantry-hoist { position: absolute; top: 6px; left: 6px; width: 2px; background: #aaa;
    transition: height 0.16s ease-in-out; height: 12px; will-change: height; }
.gantry-spreader { position: absolute; bottom: -5px; left: -5px; width: 14px; height: 3px; background: #777; border-radius: 1px; }
.gantry-payload { position: absolute; bottom: -23px; left: -3px; width: 28px; height: 18px; border-radius: 1px;
    opacity: 0; transition: opacity 0.12s; will-change: opacity;
    box-shadow: 0 1px 4px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.08); }
.gantry-payload.visible { opacity: 1; }
.gantry-payload .crate-ribs { position: absolute; top: 2px; bottom: 2px; left: 1px; right: 1px; border-radius: 1px;
    background: repeating-linear-gradient(90deg, rgba(0,0,0,0.08) 0px, rgba(0,0,0,0.08) 1px, transparent 1px, transparent 3px); }
.train-zone { position: absolute; right: 0; bottom: 28px; display: flex; gap: 2px; z-index: 3;
    flex-direction: row-reverse; align-items: flex-end; transition: transform 0.32s ease; will-change: transform; }
.locomotive { width: 38px; flex-shrink: 0; position: relative; }
.loco-body { width: 100%; height: 20px; background: linear-gradient(180deg, #2c3e50 0%, #1a252f 100%);
    border-radius: 2px 6px 2px 2px; border: 1px solid #3d566e; position: relative; }
.loco-cab { position: absolute; top: -10px; right: 2px; width: 16px; height: 12px;
    background: linear-gradient(180deg, #34495e 0%, #2c3e50 100%); border-radius: 2px 2px 0 0; border: 1px solid #3d566e; border-bottom: none; }
.loco-window { position: absolute; top: 2px; left: 2px; right: 2px; height: 5px;
    background: rgba(100,180,255,0.3); border-radius: 1px; }
.loco-stripe { position: absolute; top: 7px; left: 3px; right: 12px; height: 2px; background: #f39c12; border-radius: 1px; }
.loco-bogie { position: absolute; bottom: -6px; display: flex; gap: 2px; }
.loco-bogie.bl { left: 3px; } .loco-bogie.br { right: 3px; }
.flatcar { width: 42px; flex-shrink: 0; position: relative; opacity: 0; animation: car-roll 0.24s ease-out forwards; will-change: transform, opacity; }
@keyframes car-roll { 0% { opacity: 0; transform: translateX(20px); } 100% { opacity: 1; transform: translateX(0); } }
.flatcar-deck { width: 100%; height: 5px; background: linear-gradient(180deg, #505050 0%, #3a3a3a 100%);
    border: 1px solid #5a5a5a; border-radius: 1px; }
.flatcar-bogie { position: absolute; bottom: -6px; display: flex; gap: 2px; }
.flatcar-bogie.bl { left: 3px; } .flatcar-bogie.br { right: 3px; }
.flatcar-axle { width: 5px; height: 5px; background: radial-gradient(circle at 35% 35%, #666, #222);
    border-radius: 50%; border: 1px solid #333; }
.train-crate { position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%); width: 28px; height: 18px;
    border-radius: 1px; opacity: 0; box-shadow: 0 1px 3px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.08); }
.train-crate.placed { opacity: 1; animation: crate-set 0.2s ease-out; }
@keyframes crate-set { 0% { transform: translateX(-50%) translateY(-6px); } 100% { transform: translateX(-50%) translateY(0); } }
.train-crate .crate-ribs { position: absolute; top: 2px; bottom: 2px; left: 1px; right: 1px; border-radius: 1px;
    background: repeating-linear-gradient(90deg, rgba(0,0,0,0.08) 0px, rgba(0,0,0,0.08) 1px, transparent 1px, transparent 3px); }
.fetch-title { font-size: 24px; margin: 0 0 10px; }
.fetch-status { color: var(--text-secondary); margin: 0 0 30px; font-size: 14px; }
.fetch-progress-bar { height: 8px; background: var(--bg-tertiary); border-radius: 4px; overflow: hidden; margin-bottom: 15px; }
.fetch-progress-fill { height: 100%; background: var(--accent-gradient); border-radius: 4px; transition: width 0.3s; width: 0%; }
.fetch-stats { display: flex; justify-content: center; gap: 30px; color: var(--text-secondary); font-size: 14px; }
.fetch-stat { display: flex; flex-direction: column; align-items: center; }
.fetch-stat-value { font-size: 24px; font-weight: 600; color: var(--text-primary); }
.fetch-stat-label { font-size: 12px; color: var(--text-muted); }
.rate-limit-card { margin-top: 16px; padding: 12px; border: 1px solid var(--border-color); border-radius: 10px;
    background: var(--bg-tertiary); text-align: left; box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.rate-limit-header { display: flex; justify-content: space-between; align-items: flex-start; font-size: 12px;
    font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; gap: 6px; }
.rate-limit-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.rate-limit-limit { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; }
.rate-limit-label { font-size: 12px; color: var(--text-primary); }
.rate-limit-bar { position: relative; height: 12px; border-radius: 999px; overflow: hidden; background: #1c1c1c;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05); }
.rate-limit-bar span { position: absolute; top: 0; bottom: 0; transition: width 0.25s ease; }
.rate-limit-used { left: 0; background: linear-gradient(90deg, #ff6b6b, #ffa726); width: 0%; }
.rate-limit-available { right: 0; background: linear-gradient(90deg, #00c853, #81c784); width: 100%; opacity: 0.9; mix-blend-mode: screen; }
.rate-limit-status { margin-top: 8px; font-size: 12px; color: var(--text-muted); }
.rate-limit-card.waiting .rate-limit-status { color: #ffb74d; }
.fetch-cancel { margin-top: 30px; padding: 10px 20px; background: transparent; border: 1px solid var(--border-color);
    border-radius: 6px; color: var(--text-secondary); cursor: pointer; font-size: 14px; }
.fetch-retry { margin-top: 15px; padding: 10px 20px; background: var(--accent-gradient); border: none;
    border-radius: 6px; color: white; cursor: pointer; font-size: 14px; font-weight: 600; }
.fetch-retry:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4); }
.fetch-error { color: #ff4444; background: rgba(255, 68, 68, 0.1); border: 1px solid rgba(255, 68, 68, 0.3);
    border-radius: 8px; padding: 15px; margin-top: 20px; font-size: 14px; }
.status-banner { position: fixed; top: 12px; left: 50%; transform: translateX(-50%); z-index: 1200;
    display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 10px;
    background: rgba(255, 196, 0, 0.15); border: 1px solid rgba(255, 196, 0, 0.45); box-shadow: 0 10px 30px rgba(0,0,0,0.35);
    color: #ffe6a0; backdrop-filter: blur(12px); max-width: min(640px, 92vw); font-size: 13px; line-height: 1.4; }
.status-banner strong { color: #ffdf5c; }
.status-banner a { color: #ffd36d; font-weight: 600; text-decoration: underline; }
.status-banner button { background: transparent; border: none; color: #ffd36d; font-size: 18px; cursor: pointer;
    padding: 0 4px; line-height: 1; border-radius: 4px; }
.status-banner button:hover { color: #ffffff; background: rgba(255,255,255,0.1); }
.status-banner.inline { position: relative; top: auto; left: auto; transform: none; width: 100%; max-width: 100%;
    margin-bottom: 20px; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; height: 100%; background: var(--bg-primary); }
.menu { position: absolute; top: 8px; right: 8px; z-index: 1000; background: var(--menu-bg);
    border: 1px solid var(--border-color); border-radius: 8px; min-width: 140px; font-size: 13px; backdrop-filter: blur(10px); }
.menu summary { padding: 10px 14px; cursor: pointer; font-weight: 700; color: var(--text-primary);
    list-style: none; display: flex; align-items: center; justify-content: space-between; border-radius: 8px; min-height: 40px; }
.menu summary::-webkit-details-marker { display: none; }
.menu-content { padding: 0 0; border-top: 1px solid var(--border-color); }
.menu-section { padding: 10px 12px; border-bottom: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 10px; }
.menu-section:last-of-type { border-bottom: none; }
.menu-section-header { display: flex; justify-content: space-between; align-items: center; }
.section-label { margin: 0; font-size: 13px; font-weight: 700; color: var(--text-primary); }
.section-sub { margin: -4px 0 0; font-size: 11px; color: var(--text-secondary); line-height: 1.1; }
.account-card { display: flex; align-items: center; gap: 10px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 10px; padding: 8px 10px; }
.account-card.compact { gap: 8px; padding: 6px 8px; }
.account-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-gradient); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; color: white; overflow: hidden; background-size: cover; background-position: center; }
.account-meta { flex: 1; min-width: 0; }
.account-name { font-weight: 600; font-size: 14px; }
.account-username { font-size: 12px; color: var(--text-secondary); }
.btn-link { border: none; background: transparent; color: var(--accent-color); font-size: 12px; font-weight: 600; cursor: pointer; text-decoration: none; padding: 0; }
.btn-link.hidden { display: none; }
.menu-form-group { display: flex; flex-direction: column; gap: 6px; }
.menu-form-group label { font-size: 12px; color: var(--text-secondary); font-weight: 600; }
.menu-form-group input,
.menu-form-group textarea { border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-tertiary); color: var(--text-primary); padding: 10px 12px; font-size: 13px; resize: none; min-height: 44px; }
.menu-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-secondary,
.btn-outline { flex: 1; min-width: 120px; border-radius: 8px; padding: 10px 12px; font-size: 13px; font-weight: 600; cursor: pointer; }
.btn-secondary { background: var(--accent-gradient); color: #fff; border: none; }
.btn-secondary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-secondary); }
.token-status { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.token-status[data-state="success"] { color: #68d391; }
.token-status[data-state="error"] { color: #ff6b6b; }
.token-expiry { font-size: 11px; color: var(--text-muted); }
.menu-divider { height: 1px; background: var(--border-color); margin: 0px 0; }
.menu-item { padding: 10px 12px; cursor: pointer; color: var(--text-primary); font-weight: 600;
    display: flex; align-items: center; border-bottom: 1px solid var(--border-color); min-height: 40px; }
.menu-item:last-child { border-bottom: none; }
.menu-item:hover { background: var(--hover-bg); }
.menu-item.active { background: var(--bg-tertiary); font-weight: 700; }
.menu-submenu { border-top: 1px solid var(--border-color); }
.menu-submenu summary { padding: 8px 12px; font-weight: 600; cursor: pointer; list-style: none;
    display: flex; align-items: center; justify-content: space-between; }
.menu-submenu summary::-webkit-details-marker { display: none; }
.menu-submenu[open] > summary { background: var(--bg-tertiary); }
.menu-submenu-content { padding: 0; }
.inner-submenu { border: 1px solid var(--border-color); border-radius: 8px; overflow: hidden; }
.inner-submenu summary { padding: 8px 10px; cursor: pointer; font-size: 12px; background: var(--bg-tertiary); list-style: none; }
.inner-submenu summary::-webkit-details-marker { display: none; }
.inner-submenu[open] > summary { background: var(--accent-color); color: white; }
.layer-list { max-height: 200px; overflow-y: auto; padding: 8px; }
.layer-item { padding: 10px 12px; margin: 3px 0; background: var(--bg-secondary); border: none; border-radius: 8px;
    cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 13px; font-weight: 600;
    color: var(--text-primary); transition: all 0.2s ease; user-select: none; position: relative; min-height: 44px; }
.layer-item:last-child { border-bottom: none; }
.layer-item:hover { background: var(--hover-bg); transform: translateX(2px); }
.layer-item.active { background: var(--bg-tertiary); color: var(--text-primary); font-weight: 700; }
.layer-item.dragging { opacity: 0.5; transform: rotate(2deg) scale(1.05); }
.layer-item.drag-over { background: rgba(102, 126, 234, 0.15); }
.layer-item.drag-over::before,
.layer-item.drag-over::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    height: 3px;
    border-radius: 3px;
    background: var(--accent-color);
    opacity: 0;
    transition: opacity 0.15s ease;
}
.layer-item.drag-over-before::before { top: -6px; opacity: 1; }
.layer-item.drag-over-after::after { bottom: -6px; opacity: 1; }
.toggle { position: relative; width: 48px; height: 26px; display: inline-block; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-tertiary); transition: .3s; border-radius: 26px; }
.toggle-slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px;
    background: white; transition: .3s; border-radius: 50%; }
input:checked+.toggle-slider { background: #3887be; }
input:checked+.toggle-slider:before { transform: translateX(22px); }
.slider-container { padding: 0 16px 16px; }
.btn-share { width: calc(100% - 32px); margin: 8px 16px 16px; padding: 10px 14px; font-size: 13px;
    min-height: 40px; background: var(--bg-secondary); border: 1px solid var(--border-color); color: var(--text-primary);
    border-radius: 8px; cursor: pointer; font-weight: 600; transition: all 0.2s; }
.btn-share:hover { background: var(--hover-bg); }
.time-filter { padding: 16px; }
.slider-label { font-size: 12px; font-weight: 600; margin-bottom: 8px; color: var(--text-secondary); }
.slider-label .slider-state { margin-left: 6px; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; }
.slider { width: 100%; height: 6px; border-radius: 999px; outline: none; -webkit-appearance: none;
    appearance: none; cursor: pointer; background: var(--bg-tertiary); transition: background 0.2s ease; }
.slider::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
    background: var(--accent-gradient); cursor: pointer; box-shadow: 0 2px 6px rgba(0,0,0,0.4); }
.slider::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; border: none;
    background: var(--accent-gradient); box-shadow: 0 2px 6px rgba(0,0,0,0.4); cursor: pointer; }
.slider-help { font-size: 11px; color: var(--text-muted); margin-top: 6px; line-height: 1.4; }
.slider-ticks { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.6px; margin-top: 6px; gap: 4px; }
.slider-ticks span { flex: 1; text-align: center; position: relative; padding-top: 10px; font-weight: 600; }
.slider-ticks span::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 2px; height: 8px; border-radius: 2px; background: var(--border-color); }
.slider-ticks span.active { color: var(--text-primary); }
.slider-ticks span.active::before { background: #ffffff; height: 10px; }
.delay-section { padding: 4px 0 8px; display: flex; flex-direction: column; gap: 2px; }
.delay-summary-line { display: block; margin: 0; font-size: 12px; line-height: 1.3; }
.stats-panel { position: absolute; top: 10px; left: -320px; background: var(--menu-bg); padding: 8px;
    border: 1px solid var(--border-color); border-radius: 6px; z-index: 999; min-width: 160px; max-width: 180px;
    backdrop-filter: blur(10px); opacity: 0; transition: all 0.3s; pointer-events: none; }
.stats-panel.active { transform: translateX(330px); opacity: 1; pointer-events: auto; }
.stats-title { font-size: 13px; font-weight: 600; margin: 0 0 8px; }
.stat-item { display: flex; justify-content: space-between; margin-bottom: 4px; font-size: 11px; }
.stat-label { color: var(--text-secondary); }
.stat-value { font-weight: 600; text-align: right; }
.time-filter { padding: 16px; }
.time-input-group { margin-bottom: 16px; }
.time-input-group label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--text-secondary); }
.time-input-group input { width: 100%; padding: 10px 12px; border: 1px solid var(--border-color); border-radius: 6px;
    font-size: 16px; background: var(--bg-primary); color: var(--text-primary); min-height: 44px; }
.btn { padding: 10px 16px; border: 1px solid var(--border-color); border-radius: 4px; cursor: pointer;
    font-size: 14px; font-weight: 600; background: var(--bg-secondary); color: var(--text-primary); }
.btn:hover { background: var(--hover-bg); }
.btn-share { width: calc(100% - 32px); margin: 8px 16px 16px; }
.user-info { padding: 12px 16px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 10px; }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--accent-gradient);
    display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 14px; }
.user-name { font-weight: 600; font-size: 14px; }
.btn-logout { margin-left: auto; padding: 4px 8px; font-size: 12px; background: transparent;
    border: 1px solid var(--border-color); color: var(--text-muted); cursor: pointer; border-radius: 4px; }
.btn-logout:hover { background: #ff4444; border-color: #ff4444; color: white; }
.route-popup .mapboxgl-popup-content { padding: 10px; max-width: 240px; font-size: 12px; background: rgba(15, 15, 18, 0.48);
    color: var(--text-primary); border: 1px solid rgba(255,255,255,0.14); border-radius: 12px; backdrop-filter: blur(6px);
    box-shadow: 0 16px 30px rgba(0,0,0,0.35); z-index: 9999; }
.route-popup .popup-title { font-size: 12px; font-weight: 700; margin: 0 0 2px; display: flex; align-items: center; gap: 4px; }
.route-popup .popup-badge { padding: 3px 8px; border-radius: 999px; font-size: 10px; font-weight: 600; letter-spacing: 0.5px;
    background: rgba(102, 126, 234, 0.15); border: 1px solid rgba(102, 126, 234, 0.3); text-transform: uppercase; }
.route-popup .popup-route { display: flex; justify-content: space-between; gap: 4px; margin: 4px 0; }
.route-popup .popup-stop { flex: 1; }
.route-popup .popup-stop label { font-size: 10px; color: var(--text-muted); letter-spacing: 0.5px; text-transform: uppercase; display: block; margin-bottom: 3px; }
.route-popup .popup-stop strong { display: block; font-size: 12px; }
.route-popup .popup-stop-time { display: flex; flex-direction: column; font-size: 10px; color: var(--text-secondary); margin-top: 4px; gap: 2px; }
.route-popup .popup-time-value { font-weight: 600; color: var(--text-primary); }
.route-popup .popup-arrow { align-self: center; font-size: 14px; color: var(--text-muted); font-weight: 700; }
.route-popup .popup-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; margin: 6px 0; }
.route-popup .popup-meta div { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); padding: 4px 6px;
    border-radius: 6px; min-height: 48px; }
.route-popup .popup-meta label { display: block; font-size: 10px; color: var(--text-muted); letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 3px; }
.route-popup .popup-meta span { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.route-popup details { border: 1px solid rgba(255,255,255,0.15); border-radius: 8px; overflow: hidden; margin-top: 6px;
    background: rgba(0,0,0,0.25); }
.route-popup details + details { margin-top: 6px; }
.route-popup details summary { list-style: none; cursor: pointer; padding: 6px 8px; font-weight: 600; display: flex;
    align-items: center; justify-content: space-between; font-size: 11px; text-transform: none; letter-spacing: 0; }
.route-popup details summary::-webkit-details-marker { display: none; }
.route-popup details[open] summary { background: rgba(255,255,255,0.05); }
.route-popup .popup-body { padding: 6px 8px 8px; font-size: 10px; color: var(--text-secondary); }
.route-popup .popup-expander-summary span:last-child { font-size: 10px; color: var(--text-muted); }
.route-popup .popup-scrollable { max-height: 150px; overflow-y: auto; padding-right: 4px; }
.route-popup .popup-detail-row { display: flex; flex-direction: column; gap: 2px; }
.route-popup .popup-detail-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); }
.route-popup .popup-detail-value { font-weight: 600; color: var(--text-primary); }
.route-popup .popup-detail-value span { display: block; }
.route-popup .popup-scroll-container { display: flex; gap: 4px; align-items: stretch; }
.route-popup .popup-scroll-slider { appearance: none; width: 4px; margin: 0; border-radius: 999px; background: rgba(255,255,255,0.2);
    cursor: pointer; writing-mode: bt-lr; }
.route-popup .popup-scroll-slider.vertical { height: 140px; }
.route-popup .popup-scroll-slider::-webkit-slider-thumb { appearance: none; width: 14px; height: 14px; border-radius: 50%;
    background: var(--accent-color); box-shadow: 0 0 0 2px rgba(0,0,0,0.2); margin-top: -5px; }
.route-popup .popup-scroll-slider::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(0,0,0,0.2); border: none; }
.route-popup .popup-link { color: #4fc3f7; text-decoration: none; font-weight: 600; }
.route-popup .popup-actions { display: flex; gap: 6px; margin-top: 6px; }
.route-popup .popup-actions button,
.route-popup .popup-actions a { flex: 1; border-radius: 7px; border: 1px solid var(--border-color); background: transparent;
    color: var(--text-secondary); padding: 7px 8px; font-weight: 600; cursor: pointer; font-size: 11px; text-align: center;
    text-decoration: none; display: inline-flex; justify-content: center; align-items: center; }
.route-popup .popup-actions a.primary { background: var(--accent-gradient); border: none; color: white; }
.route-popup dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 2px 8px; }
.route-popup dl dt { font-size: 9px; color: var(--text-muted); letter-spacing: 0.45px; text-transform: uppercase; }
.route-popup dl dd { margin: 0; font-size: 11px; font-weight: 600; color: var(--text-primary); }
@media (max-width: 768px) {
    :root { --depot-width: 106px; --gantry-width: 106px; --gantry-depot-left: 30px; --gantry-train-left: 142px; }
    .setup-container { padding: 30px 20px; }
    .setup-header h1 { font-size: 24px; }
    .menu { top: 5px; right: 5px; min-width: 180px; max-width: 75vw; font-size: 12px; }
    .menu-content { max-height: 70vh; overflow-y: auto; -webkit-overflow-scrolling: touch; }
    .menu-item { padding: 10px 14px; min-height: 44px; }
    .menu-submenu summary { padding: 10px 14px; min-height: 44px; }
    .layer-item { padding: 10px; min-height: 44px; touch-action: manipulation; }
    .layer-list { max-height: 150px; -webkit-overflow-scrolling: touch; }
    .toggle { width: 44px; height: 24px; }
    .toggle-slider:before { height: 18px; width: 18px; }
    input:checked+.toggle-slider:before { transform: translateX(20px); }
    .stats-panel { top: 5px; left: -50vw; min-width: 48vw; max-width: 50vw; font-size: 11px; }
    .stats-panel.active { transform: translateX(52vw); }
    .btn-share { padding: 12px; min-height: 44px; }
    .account-card { padding: 10px; }
    .account-avatar { width: 36px; height: 36px; font-size: 14px; }
}
@media (max-width: 375px) {
    :root { --depot-width: 98px; --gantry-width: 100px; --gantry-depot-left: 18px; --gantry-train-left: 128px; }
    .menu { max-width: 85vw; }
    .stats-panel { min-width: 42vw; max-width: 45vw; font-size: 10px; }
}
.hidden { display: none !important; }