/* ===== Material Design Variables ===== */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Dark theme (default) */
[data-theme="dark"] {
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-sidebar: #1e293b;
    --bg-input: #334155;
    --text: #e2e8f0;
    --text-secondary: #94a3b8;
    --border: #334155;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
}

/* Light theme */
[data-theme="light"] {
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-input: #f1f5f9;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07);
}

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

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

/* ===== Layout ===== */
.app-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: 260px; background: var(--bg-sidebar); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; z-index: 10;
}
.sidebar-logo {
    padding: 20px; display: flex; align-items: center; gap: 10px;
    font-size: 16px; font-weight: 700; color: var(--primary);
}
.sidebar-logo .material-icons { font-size: 28px; }
.sidebar-user {
    padding: 16px 20px; display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.sidebar-avatar {
    width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: white;
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px;
}
.sidebar-user-name { font-weight: 600; font-size: 14px; }
.sidebar-user-role { font-size: 12px; color: var(--text-secondary); }

.sidebar-nav { flex: 1; padding: 8px; overflow-y: auto; }
.nav-item {
    display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-radius: 10px;
    color: var(--text); text-decoration: none; font-size: 14px; font-weight: 500; margin-bottom: 4px;
    transition: all 0.2s;
}
.nav-item:hover { background: var(--bg-input); }
.nav-item.active { background: var(--primary); color: white; }
.nav-item .material-icons { font-size: 20px; }

/* Main content */
.main-content { margin-left: 260px; flex: 1; display: flex; flex-direction: column; }

/* TopBar */
.topbar {
    padding: 12px 24px; display: flex; justify-content: flex-end; align-items: center; gap: 8px;
    border-bottom: 1px solid var(--border); background: var(--bg-card);
}
.topbar-btn {
    background: none; border: 1px solid var(--border); color: var(--text); cursor: pointer;
    width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.topbar-btn:hover { background: var(--bg-input); border-color: var(--primary); color: var(--primary); }

.page-content { padding: 24px; flex: 1; }

/* ===== Cards ===== */
.card {
    background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow);
    border: 1px solid var(--border); padding: 24px;
}
.card-header { font-size: 20px; font-weight: 700; margin-bottom: 16px; }

/* ===== Stats Grid ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow);
    border: 1px solid var(--border); padding: 20px; display: flex; align-items: center; gap: 16px;
}
.stat-icon { font-size: 40px; }
.stat-value { font-size: 28px; font-weight: 800; }
.stat-label { font-size: 13px; color: var(--text-secondary); }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-input {
    width: 100%; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--border);
    background: var(--bg-input); color: var(--text); font-size: 14px; outline: none; transition: border 0.2s;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.15); }

.btn {
    padding: 12px 24px; border-radius: 10px; border: none; font-size: 15px; font-weight: 600;
    cursor: pointer; transition: all 0.2s; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-primary { background: var(--primary); color: white; width: 100%; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-row { display: flex; gap: 12px; }
.btn-row .btn { flex: 1; }

.alert { padding: 12px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #16a34a; }
[data-theme="dark"] .alert-error { background: #451a1a; border-color: #7f1d1d; color: #fca5a5; }
[data-theme="dark"] .alert-success { background: #052e16; border-color: #14532d; color: #86efac; }

.text-link { color: var(--primary); text-decoration: none; font-size: 14px; }
.text-link:hover { text-decoration: underline; }
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }

/* ===== Auth Pages ===== */
.auth-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--bg); padding: 20px;
}
.auth-card { max-width: 420px; width: 100%; }
.auth-logo { text-align: center; margin-bottom: 24px; }
.auth-logo .material-icons { font-size: 48px; color: var(--primary); }
.auth-logo h2 { font-size: 22px; font-weight: 700; margin-top: 8px; }
.auth-logo p { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.auth-topbar { position: absolute; top: 16px; right: 16px; display: flex; gap: 8px; }

/* ===== Placeholder ===== */
.placeholder-card { text-align: center; padding: 48px; }
.placeholder-card .material-icons { font-size: 48px; color: var(--text-secondary); margin-bottom: 12px; }

/* ===== Page header ===== */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.page-title { font-size: 22px; font-weight: 700; }

/* ===== Topbar layout ===== */
.topbar { display: flex; align-items: center; justify-content: space-between; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.hamburger { display: none; }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th { text-align: left; padding: 10px 14px; font-weight: 600; color: var(--text-secondary); border-bottom: 2px solid var(--border); white-space: nowrap; }
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-input); }

/* ===== Badges ===== */
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge-success { background: rgba(16,185,129,0.15); color: #10b981; }
.badge-danger  { background: rgba(239,68,68,0.15);  color: #ef4444; }
.badge-warning { background: rgba(245,158,11,0.15); color: #f59e0b; }
.badge-primary { background: rgba(99,102,241,0.15); color: var(--primary); }
.badge-default { background: var(--bg-input); color: var(--text-secondary); }

/* ===== Buttons extras ===== */
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-sm .material-icons { font-size: 16px; }
.btn-danger { background: var(--danger); color: white; border: none; }
.btn-danger:hover { opacity: 0.85; }

/* ===== Casas grid ===== */
.casas-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.casa-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; transition: border-color .15s; }
.casa-card:hover { border-color: var(--primary); }

.casa-card-top { padding: 16px; display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--border); }
.casa-card-name { font-size: 15px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.casa-card-addr { font-size: 12px; color: var(--text-secondary); margin-top: 3px; display: flex; align-items: center; gap: 4px; }
.casa-card-addr .material-icons { font-size: 13px; }

.casa-card-stats { display: flex; border-bottom: 1px solid var(--border); }
.stat-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 12px 8px; }
.stat-col + .stat-col { border-left: 1px solid var(--border); }
.stat-col-val { font-size: 20px; font-weight: 800; color: var(--text); }
.stat-col-val.occ { color: var(--success); }
.stat-col-val.free { color: var(--primary); }
.stat-col-lbl { font-size: 10px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .04em; }

.casa-card-occ { padding: 10px 16px; display: flex; flex-direction: column; gap: 5px; border-bottom: 1px solid var(--border); }
.occ-bar { height: 5px; border-radius: 3px; background: var(--border); overflow: hidden; display: flex; }
.occ-seg-occ { background: var(--success); height: 100%; }
.occ-seg-free { background: var(--primary); height: 100%; }
.occ-txt { font-size: 11px; color: var(--text-secondary); }

.casa-card-actions { padding: 10px 12px; display: flex; gap: 6px; align-items: center; }
.casa-card-actions .btn-danger-icon { margin-left: auto; background: transparent; border: 1px solid rgba(239,68,68,0.3); color: var(--danger); border-radius: 8px; padding: 5px 8px; cursor: pointer; display: inline-flex; align-items: center; transition: all .2s; }
.casa-card-actions .btn-danger-icon:hover { background: rgba(239,68,68,0.1); }
.casa-card-actions .btn-danger-icon .material-icons { font-size: 16px; }

/* ===== Detail rows ===== */
.detail-meta.card { display: flex; flex-direction: column; gap: 8px; }
.detail-row { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-secondary); }
.detail-row .material-icons { font-size: 18px; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }

/* ===== Inline form ===== */
.inline-form { background: var(--bg-input); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 140px; }

/* ===== Modal ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal-box { background: var(--bg-card); border-radius: var(--radius); padding: 24px; width: 100%; max-width: 480px; box-shadow: 0 20px 40px rgba(0,0,0,0.4); }

/* ===== Occupancy bar ===== */
.occupancy-bar-wrap { display: flex; flex-direction: column; gap: 10px; }
.occupancy-bar-label { display: flex; gap: 20px; font-size: 13px; color: var(--text-secondary); flex-wrap: wrap; }
.occupancy-bar { height: 12px; border-radius: 6px; overflow: hidden; display: flex; background: var(--bg-input); }
.occupancy-seg { height: 100%; transition: width 0.4s; }
.occupancy-seg.occupied  { background: var(--success); }
.occupancy-seg.available { background: var(--primary); }
.occupancy-seg.maint     { background: var(--warning); }

/* ===== Sidebar overlay (móvil) ===== */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 9; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.28s ease;
        z-index: 20;
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-overlay.open { display: block; }
    .main-content { margin-left: 0; }
    .hamburger { display: flex; }
    .page-content { padding: 16px; }
    .casas-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .data-table th, .data-table td { padding: 8px 10px; }
    .topbar { padding: 10px 16px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .btn-row { flex-direction: column; }
    .casa-card-actions { flex-direction: column; }
}

/* ===== Filter bar ===== */
.filter-wrap { padding: 16px 20px; margin-bottom: 16px; }
.filter-wrap form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.filter-wrap .form-group { margin: 0; flex: 1 1 150px; }
.filter-wrap .form-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-secondary); margin-bottom: 5px; }
.filter-wrap .form-input.has-value { border-color: var(--primary); background: rgba(99,102,241,0.06); }
.filter-bar-actions { display: flex; gap: 8px; align-items: flex-end; flex-shrink: 0; }
.filter-bar-actions .btn { width: auto; padding: 10px 14px; font-size: 13px; }

/* ===== Results header ===== */
.results-hdr { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; font-size: 13px; color: var(--text-secondary); }
.results-hdr strong { color: var(--text); }
.filter-chip { display: inline-flex; align-items: center; gap: 4px; background: rgba(99,102,241,0.12); color: var(--primary); border-radius: 20px; padding: 2px 10px; font-size: 11px; font-weight: 500; }