:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #131a2b;
    --bg-tertiary: #1a2338;
    --text-primary: #e0e6f0;
    --text-secondary: #a0aec0;
    --text-muted: #6b7a94;
    --accent-amber: #f0a030;
    --accent-amber-dim: #f0a03040;
    --status-enabled: #2dd4a0;
    --status-disabled: #ef4444;
    --status-pending: #f59e0b;
    --border-color: #1e293b;
    --border-focus: #f0a030;
    --font-display: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
}

.hidden { display: none !important; }

.screen { position: absolute; inset: 0; display: flex; }

/* Login */
.login-container {
    margin: auto;
    width: 360px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow);
}

.login-header { text-align: center; margin-bottom: 2rem; }
.login-icon { font-size: 2.5rem; margin-bottom: 0.5rem; filter: grayscale(1) brightness(2); }
.login-header h1 {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    letter-spacing: 0.2em;
    color: var(--accent-amber);
}
.login-subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.25rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block; font-size: 0.8rem; color: var(--text-secondary);
    margin-bottom: 0.35rem; text-transform: uppercase; letter-spacing: 0.08em;
}
.form-group input, .form-group select {
    width: 100%; padding: 0.6rem 0.75rem;
    background: var(--bg-tertiary); border: 1px solid var(--border-color);
    border-radius: var(--radius); color: var(--text-primary);
    font-family: var(--font-mono); font-size: 0.9rem;
    outline: none; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus { border-color: var(--border-focus); }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 1rem; }

/* Buttons */
.btn {
    font-family: var(--font-display); font-size: 0.85rem; font-weight: 500;
    border: 1px solid var(--border-color); border-radius: var(--radius);
    padding: 0.5rem 1rem; cursor: pointer;
    background: var(--bg-tertiary); color: var(--text-primary); transition: all 0.15s;
}
.btn:hover { background: var(--bg-secondary); border-color: var(--text-muted); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--accent-amber); color: var(--bg-primary); border-color: var(--accent-amber); }
.btn-primary:hover { background: #e09020; }
.btn-success { background: var(--status-enabled); color: var(--bg-primary); border-color: var(--status-enabled); }
.btn-success:hover { background: #20b888; }
.btn-danger { background: transparent; color: var(--status-disabled); border-color: var(--status-disabled); }
.btn-danger:hover { background: var(--status-disabled); color: var(--text-primary); }
.btn-small { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-full { width: 100%; }

.error-message {
    margin-top: 0.75rem; padding: 0.5rem;
    background: rgba(239, 68, 68, 0.15); border: 1px solid var(--status-disabled);
    border-radius: var(--radius); color: var(--status-disabled);
    font-size: 0.8rem; text-align: center;
}

/* Topbar */
.topbar {
    height: 48px; background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1rem; z-index: 1000; position: relative;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 0.75rem; }
.topbar-logo { font-family: var(--font-mono); font-weight: 500; color: var(--accent-amber); font-size: 1rem; letter-spacing: 0.1em; }
.topbar-role {
    font-family: var(--font-mono); font-size: 0.7rem; color: var(--bg-primary);
    background: var(--accent-amber); padding: 0.15rem 0.5rem; border-radius: 3px;
    text-transform: uppercase; letter-spacing: 0.1em;
}
.topbar-user { font-size: 0.85rem; color: var(--text-secondary); }
.inactivity-warning {
    font-family: var(--font-mono); font-size: 0.75rem; color: var(--status-pending);
    animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* Map */
#map-container { position: relative; flex: 1; display: flex; }
#app-screen { flex-direction: column; }
#map { flex: 1; background: var(--bg-primary); }

.map-overlay {
    position: absolute; top: 12px; left: 60px; z-index: 800;
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius); padding: 0.5rem 0.75rem;
    display: flex; align-items: center; gap: 0.5rem; box-shadow: var(--shadow);
}
.map-overlay label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.map-overlay select {
    background: var(--bg-tertiary); border: 1px solid var(--border-color);
    border-radius: var(--radius); color: var(--text-primary);
    font-family: var(--font-mono); font-size: 0.8rem; padding: 0.3rem 0.5rem; outline: none;
}

.map-overlay-bottom {
    position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
    z-index: 800; background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius); padding: 0.5rem 1rem; box-shadow: var(--shadow);
}
.constraint-controls-inner { display: flex; align-items: center; gap: 0.75rem; font-family: var(--font-mono); font-size: 0.8rem; }
#selected-count { color: var(--text-muted); }

/* Modals */
.modal {
    position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6);
    display: flex; align-items: center; justify-content: center; z-index: 2000;
}
.modal-content {
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius); padding: 1.5rem; min-width: 360px;
    max-width: 90vw; max-height: 85vh; overflow-y: auto; box-shadow: var(--shadow);
}
.modal-large { min-width: 600px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.modal-actions { display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 1rem; }

/* Admin Tabs */
.admin-tabs { display: flex; gap: 0; margin-bottom: 1rem; border-bottom: 1px solid var(--border-color); }
.tab-btn {
    font-family: var(--font-display); font-size: 0.85rem; background: none; border: none;
    color: var(--text-muted); padding: 0.6rem 1rem; cursor: pointer;
    border-bottom: 2px solid transparent; transition: all 0.15s;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent-amber); border-bottom-color: var(--accent-amber); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.tab-actions { display: flex; justify-content: flex-end; margin-bottom: 0.75rem; }

/* Item List */
.item-list { display: flex; flex-direction: column; gap: 0.5rem; }
.item-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.6rem 0.75rem; background: var(--bg-tertiary);
    border: 1px solid var(--border-color); border-radius: var(--radius);
}
.item-row-info { display: flex; align-items: center; gap: 0.75rem; }
.item-row-name { font-family: var(--font-mono); font-size: 0.85rem; }
.item-row-badge {
    font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em;
    padding: 0.1rem 0.4rem; border-radius: 3px;
    background: var(--accent-amber-dim); color: var(--accent-amber);
}
.item-row-actions { display: flex; gap: 0.4rem; }

/* Zone creation panel (floats over map without blocking it) */
.zone-panel {
    position: fixed; top: 60px; right: 12px; z-index: 1500;
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius); padding: 1.25rem; width: 300px;
    box-shadow: var(--shadow);
}
.zone-panel h2 {
    font-family: var(--font-mono); font-size: 1rem;
    color: var(--accent-amber); margin-bottom: 0.75rem;
}

/* Constraint Popup */
.constraint-popup h3 { font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 0.25rem; }
.constraint-popup .status { font-family: var(--font-mono); font-size: 0.75rem; padding: 0.1rem 0.4rem; border-radius: 3px; display: inline-block; }
.constraint-popup .status-enabled { background: rgba(45, 212, 160, 0.2); color: var(--status-enabled); }
.constraint-popup .status-disabled { background: rgba(239, 68, 68, 0.2); color: var(--status-disabled); }
.constraint-popup .status-pending { background: rgba(245, 158, 11, 0.2); color: var(--status-pending); }

/* Leaflet Overrides */
.leaflet-container { background: var(--bg-primary) !important; font-family: var(--font-display); }
.leaflet-control-zoom a { background: var(--bg-secondary) !important; color: var(--text-primary) !important; border-color: var(--border-color) !important; }
.leaflet-control-attribution { background: var(--bg-secondary) !important; color: var(--text-muted) !important; font-size: 0.65rem !important; }
.leaflet-control-attribution a { color: var(--text-muted) !important; }

@keyframes constraintPulse { 0% { opacity: 0.3; } 50% { opacity: 0.9; } 100% { opacity: 0.6; } }

/* User zones checkboxes */
#user-zones-checkboxes, #user-zones-edit-checkboxes {
    display: flex; flex-direction: column; gap: 0.3rem; max-height: 150px; overflow-y: auto;
}
#user-zones-checkboxes label, #user-zones-edit-checkboxes label {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.85rem; color: var(--text-primary);
    text-transform: none; letter-spacing: 0; cursor: pointer;
}
#user-zones-checkboxes input[type="checkbox"],
#user-zones-edit-checkboxes input[type="checkbox"] { accent-color: var(--accent-amber); }

.item-row-detail { font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }