/* ── Base ─────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #0f0f1a;
    color: #e0e0e0;
    overflow: hidden;
    height: 100vh;
}

/* ── Login screen ────────────────────────────────────── */
#login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
}

.login-card {
    background: #1e1e30;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    width: 360px;
}

.login-card h1 {
    font-size: 28px;
    color: #fff;
    margin-bottom: 6px;
}

.login-card p {
    color: #888;
    margin-bottom: 24px;
}

.login-card input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #333;
    border-radius: 6px;
    background: #16162a;
    color: #fff;
    font-size: 15px;
    margin-bottom: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.login-card input:focus {
    border-color: #667eea;
}

.login-card button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    background: #667eea;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.login-card button:hover { background: #5568d3; }

.error {
    color: #e74c3c;
    font-size: 13px;
    margin-top: 10px;
}

/* ── App layout ──────────────────────────────────────── */
#app {
    display: none;          /* shown after login */
    flex-direction: column;
    height: 100vh;
}

/* Top bar */
#topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: #1a1a2e;
    border-bottom: 1px solid #2a2a3e;
    flex-shrink: 0;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.topbar-left h2 { font-size: 16px; color: #fff; }

.badge {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-maintainer { background: #e74c3c; color: #fff; }
.badge-user       { background: #3498db; color: #fff; }

#location-label { color: #888; font-size: 13px; }

#logout-btn {
    padding: 6px 16px;
    border: 1px solid #444;
    border-radius: 4px;
    background: transparent;
    color: #ccc;
    cursor: pointer;
    font-size: 13px;
}

#logout-btn:hover { background: #2a2a3e; }

/* Main layout: sidebar + viewer */
#main-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────── */
#sidebar {
    width: 320px;
    flex-shrink: 0;
    overflow-y: auto;
    background: #16162a;
    border-right: 1px solid #2a2a3e;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.panel {
    background: #1e1e30;
    border-radius: 8px;
    padding: 16px;
}

.panel h3 {
    font-size: 14px;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.panel hr {
    border: none;
    border-top: 1px solid #2a2a3e;
    margin: 14px 0;
}

/* ── Form elements ───────────────────────────────────── */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: #888;
    margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #333;
    border-radius: 4px;
    background: #12122a;
    color: #ddd;
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: #667eea;
}

.form-group.inline {
    display: flex;
    gap: 8px;
}

.form-group.inline > div { flex: 1; }

/* ── Buttons ─────────────────────────────────────────── */
.btn-primary,
.btn-secondary,
.btn-danger {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 8px;
    transition: opacity 0.2s;
}

.btn-primary   { background: #667eea; color: #fff; }
.btn-secondary { background: #2a2a3e; color: #ccc; border: 1px solid #444; }
.btn-danger    { background: #c0392b; color: #fff; }

.btn-primary:hover   { opacity: 0.9; }
.btn-secondary:hover { background: #333; }
.btn-danger:hover    { opacity: 0.9; }

.btn-secondary.active-mode {
    background: #4a6cf7;
    border-color: #4a6cf7;
    color: #fff;
}

.btn-primary:disabled,
.btn-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Mesh list ───────────────────────────────────────── */
.mesh-item {
    padding: 10px 12px;
    border: 1px solid #2a2a3e;
    border-radius: 6px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mesh-item:hover { background: #22223a; }

.mesh-item.selected {
    border-color: #667eea;
    background: #1f1f3f;
}

.mesh-item.in-scene {
    border-color: #4ec9b0;
}

.mesh-item-text { flex: 1; min-width: 0; }

.mesh-item strong {
    display: block;
    font-size: 13px;
    color: #ddd;
}

.mesh-item small {
    font-size: 11px;
    color: #666;
}

/* ── Eye toggle button (mesh & point cloud items) ──── */
.btn-eye {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border: 1px solid #444;
    border-radius: 4px;
    background: #1a1a2e;
    color: #888;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border-color 0.15s;
    padding: 0;
    line-height: 1;
}
.btn-eye:hover { background: #2a2a3e; border-color: #667eea; }
.btn-eye.active { background: #1b3a2e; border-color: #4ec9b0; color: #4ec9b0; }

/* ── Point cloud list items ────────────────────────── */
.pc-item {
    padding: 8px 10px;
    border: 1px solid #2a2a3e;
    border-radius: 6px;
    margin-bottom: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.15s, border-color 0.15s;
}
.pc-item:hover { background: #22223a; }
.pc-item.selected { border-color: #667eea; background: #1f1f3f; }
.pc-item.in-scene { border-color: #4ec9b0; }
.pc-item-text { flex: 1; min-width: 0; }
.pc-item strong { display: block; font-size: 12px; color: #ddd; overflow: hidden; text-overflow: ellipsis; }
.pc-item small { font-size: 11px; color: #666; }

.hint {
    color: #555;
    font-size: 13px;
    font-style: italic;
}

/* ── Mesh info ───────────────────────────────────────── */
#mesh-info p {
    font-size: 12px;
    margin-bottom: 4px;
    color: #aaa;
}

#mesh-info strong { color: #ccc; }

/* ── Vehicle dims ────────────────────────────────────── */
.dims-display {
    display: flex;
    gap: 12px;
    margin: 10px 0;
    font-size: 13px;
    color: #aaa;
}

.dims-display strong { color: #fff; }

/* ── Code display ────────────────────────────────────── */
.code-display {
    background: #12122a;
    border: 1px solid #667eea;
    border-radius: 6px;
    padding: 10px;
    margin-top: 10px;
    font-size: 13px;
    word-break: break-all;
}

.code-display code {
    color: #667eea;
    font-size: 14px;
    font-weight: 700;
}

.code-display small { color: #666; }

/* ── Scale bar ───────────────────────────────────────── */
#scale-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
}

.scale-bar-inner {
    height: 4px;
    width: 80px;
    background: #667eea;
    border-radius: 2px;
}

#scale-bar span {
    font-size: 12px;
    color: #888;
}

#placed-count {
    font-size: 13px;
    color: #888;
    margin-top: 6px;
}

/* ── 3D Viewer ───────────────────────────────────────── */
#viewer-container {
    flex: 1;
    position: relative;
    background: #111122;
    overflow: hidden;
}

/* ── Correction panel (maintainer) ───────────────────── */
#correction-panel {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(30, 30, 48, 0.95);
    padding: 14px;
    border-radius: 8px;
    z-index: 10;
    min-width: 220px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

#correction-panel h4 {
    font-size: 12px;
    color: #888;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.cor-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    font-size: 12px;
    color: #aaa;
}

.cor-row span:first-child {
    width: 70px;
    flex-shrink: 0;
}

.cor-row span:not(:first-child) {
    width: 50px;
    text-align: center;
    font-family: monospace;
    color: #ccc;
}

.cor-row button {
    width: 28px;
    height: 28px;
    border: 1px solid #444;
    border-radius: 4px;
    background: #2a2a3e;
    color: #ccc;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
    transition: background 0.15s;
}

.cor-row button:hover {
    background: #3a3a50;
    border-color: #667eea;
    color: #fff;
}

/* ── Toast messages ──────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 6px;
    color: #fff;
    font-size: 14px;
    z-index: 100;
    animation: fadeIn 0.2s;
}


.toast-success { background: #27ae60; }
.toast-error   { background: #e74c3c; }

/* ── Discussion forum ─────────────────────────────────── */
.forum-msg { padding: 6px 8px; border-radius: 6px; margin-bottom: 6px; background: #1e1e1e; }
.forum-msg--own { background: #1a2a1a; border-left: 2px solid #4a8a4a; }
.forum-msg-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 2px; }
.forum-msg-header small { color: #888; font-size: 10px; }
.forum-msg-body { font-size: 13px; color: #ddd; word-break: break-word; }


@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
    #sidebar { width: 260px; }
}

/* ── Confirm dialog ──────────────────────────────────── */
#confirm-dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(30, 30, 48, 0.97);
    padding: 24px 28px;
    border-radius: 10px;
    z-index: 20;
    min-width: 260px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
    text-align: center;
}

#confirm-dialog h4 {
    font-size: 14px;
    text-transform: uppercase;
    color: #aaa;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

#confirm-dialog p {
    font-size: 13px;
    color: #ccc;
    margin-bottom: 6px;
}

#confirm-dialog strong {
    color: #fff;
}

.confirm-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.confirm-actions button { flex: 1; }

/* ── Checkbox labels ─────────────────────────────────── */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #aaa;
    margin-bottom: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    accent-color: #667eea;
    width: 16px;
    height: 16px;
}

.vehicle-label {
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    background: rgba(20, 20, 35, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    padding: 2px 6px;
    white-space: nowrap;
    pointer-events: none;
    transform: translate(-50%, -100%);
}

/* ── Placed vehicles list ────────────────────────── */
.placed-vehicle-item {
    background: #1a1a2e;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 8px;
    margin-bottom: 6px;
}
.placed-vehicle-item:hover { border-color: #667eea; }

.btn-sm {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid transparent;
}
.btn-sm.btn-secondary {
    background: #2a2a3e;
    color: #bbb;
    border-color: #444;
}
.btn-sm.btn-secondary:hover { background: #3a3a50; color: #fff; }
.btn-sm.btn-danger {
    background: #3a1a1a;
    color: #ff6b6b;
    border-color: #552222;
}
.btn-sm.btn-danger:hover { background: #552222; }

/* ── Activity Log ────────────────────────────────── */
.log-entry {
    padding: 6px 0;
    border-bottom: 1px solid #222;
    line-height: 1.4;
}
.log-time { color: #888; margin-right: 6px; }
.log-action {
    display: inline-block;
    background: #2a2a3e;
    color: #667eea;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 11px;
    margin-right: 4px;
}
.log-user { color: #aaa; }
.log-details {
    color: #777;
    font-size: 11px;
    margin-top: 2px;
    word-break: break-all;
}

/* ── Floating map button (maintainer) ──────────────── */
.floating-map-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    padding: 10px 18px;
    border: none;
    border-radius: 8px;
    background: #667eea;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    z-index: 15;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
    transition: background 0.2s;
}
.floating-map-btn:hover { background: #5568d3; }

/* ── Preview mesh buttons (login screen) ──────────── */
.preview-mesh-btn {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 10px;
    margin-bottom: 4px;
    border: 1px solid #333;
    border-radius: 6px;
    background: #16162a;
    color: #ddd;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.preview-mesh-btn:hover {
    background: #22223a;
    border-color: #667eea;
}