@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;600;700;800&family=Playfair+Display:wght@700&display=swap');

:root {
    --primary: #1a3a5c;
    --primary-light: #254d7a;
    --accent: #e8913a;
    --accent-light: #f5a855;
    --bg: #f0f4f8;
    --card: #ffffff;
    --text: #1e2d3d;
    --text-muted: #6b7c93;
    --border: #d8e2ec;
    --success: #2e7d32;
    --danger: #c62828;
    --row-alt: #f7fafd;
    --shadow: 0 4px 24px rgba(26,58,92,0.10);
    --radius: 14px;
}

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

body {
    font-family: 'Nunito', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* TOP BAR */
.topbar {
    background: linear-gradient(135deg, var(--primary) 0%, #0f2540 100%);
    color: white;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 66px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.18);
    position: sticky; top: 0; z-index: 100;
}
.topbar .brand { display:flex; align-items:center; gap:12px; }
.topbar .brand-icon { width:38px;height:38px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px; }
.topbar .brand-name { font-family:'Playfair Display',serif; font-size:1.18rem; letter-spacing:0.3px; }
.topbar .brand-sub { font-size:0.72rem; opacity:0.7; margin-top:1px; }
.topbar nav { display:flex; gap:6px; }
.topbar nav a {
    color:white; text-decoration:none; padding:7px 16px; border-radius:8px;
    font-size:0.88rem; font-weight:600; transition:background 0.2s;
    display:flex; align-items:center; gap:6px;
}
.topbar nav a:hover, .topbar nav a.active { background:rgba(255,255,255,0.15); }

/* LAYOUT */
.page-wrap { max-width: 1200px; margin: 0 auto; padding: 28px 20px 60px; }

/* CARDS */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}
.card-header {
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white; padding: 14px 22px;
    display: flex; align-items: center; justify-content: space-between;
    font-weight: 700; font-size: 0.97rem; letter-spacing: 0.2px;
}
.card-header .icon { font-size:1.1rem; opacity:0.85; }
.card-body { padding: 22px; }

/* FORM GRID */
.form-grid { display: grid; gap: 14px; }
.form-grid-2 { grid-template-columns: 1fr 1fr; }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
@media(max-width:700px) { .form-grid-2,.form-grid-3 { grid-template-columns:1fr; } }

.form-group { display:flex; flex-direction:column; gap:5px; }
.form-group label { font-size:0.8rem; font-weight:700; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.5px; }
.form-group input, .form-group select, .form-group textarea {
    border: 2px solid var(--border); border-radius: 9px;
    padding: 9px 13px; font-size:0.93rem; font-family:inherit;
    color: var(--text); background: white; transition: border 0.2s, box-shadow 0.2s;
    width: 100%;
}
.form-group input:focus, .form-group select:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,145,58,0.15);
}

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 20px; border-radius: 9px; border: none;
    font-family: inherit; font-size: 0.88rem; font-weight: 700;
    cursor: pointer; transition: all 0.18s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(26,58,92,0.25); }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: var(--accent-light); transform: translateY(-1px); }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { filter: brightness(1.1); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-outline { background: transparent; border: 2px solid var(--border); color: var(--text-muted); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ENTRY SECTION (quick entry strip) */
.entry-strip {
    background: linear-gradient(90deg, #f7fafd 0%, #edf2f8 100%);
    border: 2px solid var(--border); border-radius: 12px;
    padding: 16px; margin-bottom: 16px;
    display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 10px; align-items: end;
}
@media(max-width:800px) { .entry-strip { grid-template-columns: 1fr 1fr; } }

/* ITEMS TABLE */
.items-table-wrap { overflow-x: auto; }
.items-table {
    width: 100%; border-collapse: collapse; font-size: 0.88rem;
}
.items-table thead tr {
    background: linear-gradient(90deg, var(--primary) 0%, #1f4e80 100%);
    color: white;
}
.items-table thead th {
    padding: 10px 10px; text-align: left; font-weight: 700;
    font-size: 0.78rem; letter-spacing: 0.4px; white-space: nowrap;
}
.items-table tbody tr { transition: background 0.15s; }
.items-table tbody tr:nth-child(even) { background: var(--row-alt); }
.items-table tbody tr:hover { background: #e8f0fb; }
.items-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.items-table td input {
    border: 1.5px solid var(--border); border-radius: 6px;
    padding: 5px 8px; font-size: 0.85rem; font-family: inherit;
    width: 100%; min-width: 60px; background: white;
}
.items-table td input:focus { outline:none; border-color:var(--accent); }
.delete-btn { background:none; border:none; cursor:pointer; color:#c62828; font-size:1.1rem; padding:2px 6px; border-radius:5px; }
.delete-btn:hover { background:#fdecea; }

/* TOTAL PANEL */
.total-panel {
    background: linear-gradient(135deg, var(--primary) 0%, #0f2540 100%);
    color: white; border-radius: 12px; padding: 20px 24px;
    margin-top: 10px;
}
.total-row { display:flex; justify-content:space-between; padding: 5px 0; font-size:0.93rem; }
.total-row.grand { font-size: 1.2rem; font-weight: 800; border-top: 2px solid rgba(255,255,255,0.25); margin-top: 8px; padding-top: 10px; }
.total-label { opacity: 0.85; }
.total-val { font-weight: 700; font-family: 'Courier New', monospace; }

/* BILLS LIST */
.bill-list-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 18px; border-bottom: 1px solid var(--border);
    transition: background 0.15s; gap: 10px;
}
.bill-list-item:last-child { border-bottom: none; }
.bill-list-item:hover { background: var(--row-alt); }
.bill-meta { flex: 1; }
.bill-meta strong { display:block; font-size:0.95rem; }
.bill-meta span { font-size:0.78rem; color:var(--text-muted); }
.bill-actions { display:flex; gap:6px; flex-wrap:wrap; }

/* BADGES */
.badge {
    display:inline-block; padding:2px 9px; border-radius:20px;
    font-size:0.72rem; font-weight:700; letter-spacing:0.3px;
}
.badge-glass { background:#e3f2fd; color:#1565c0; }
.badge-amount { background:#e8f5e9; color:#2e7d32; font-size:0.82rem; padding:3px 10px; }

/* MODAL */
.modal-overlay {
    display:none; position:fixed; inset:0; background:rgba(0,0,0,0.5);
    z-index:200; align-items:center; justify-content:center; padding:20px;
}
.modal-overlay.open { display:flex; }
.modal {
    background: white; border-radius: var(--radius); width: 100%;
    max-width: 500px; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: slideUp 0.25s ease;
}
@keyframes slideUp { from { transform:translateY(30px); opacity:0; } to { transform:translateY(0); opacity:1; } }
.modal-header {
    background: linear-gradient(90deg,var(--primary),var(--primary-light));
    color:white; padding:16px 22px; border-radius: var(--radius) var(--radius) 0 0;
    display:flex; align-items:center; justify-content:space-between;
    font-weight:700;
}
.modal-close { background:none; border:none; color:white; font-size:1.3rem; cursor:pointer; opacity:0.7; }
.modal-close:hover { opacity:1; }
.modal-body { padding:22px; }
.modal-footer { padding:14px 22px; display:flex; justify-content:flex-end; gap:10px; border-top:1px solid var(--border); }

/* PRESET TABLE */
.preset-table { width:100%; border-collapse:collapse; font-size:0.9rem; }
.preset-table th { background:var(--row-alt); padding:8px 12px; text-align:left; font-size:0.78rem; font-weight:700; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.4px; }
.preset-table td { padding:9px 12px; border-bottom:1px solid var(--border); }
.preset-table input { border:1.5px solid var(--border); border-radius:6px; padding:5px 9px; width:120px; font-family:inherit; font-size:0.9rem; }
.preset-table input:focus { outline:none; border-color:var(--accent); }

/* ALERTS */
.alert { padding:12px 16px; border-radius:9px; margin-bottom:16px; font-size:0.9rem; font-weight:600; }
.alert-success { background:#e8f5e9; color:#2e7d32; border:1.5px solid #a5d6a7; }
.alert-danger { background:#fdecea; color:#c62828; border:1.5px solid #ef9a9a; }

/* SEARCH */
.search-bar { display:flex; gap:10px; align-items:center; margin-bottom:16px; }
.search-bar input { flex:1; border:2px solid var(--border); border-radius:9px; padding:9px 14px; font-family:inherit; font-size:0.92rem; }
.search-bar input:focus { outline:none; border-color:var(--accent); }

/* PAGE HEADER */
.page-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:22px; }
.page-title { font-family:'Playfair Display',serif; font-size:1.5rem; color:var(--primary); }
.page-title span { color:var(--accent); }

/* GLASS SELECT INDICATOR */
.glass-pill {
    display:inline-block; width:14px;height:14px; border-radius:50%;
    vertical-align:middle; margin-right:5px;
}

/* Tooltip helper */
.hint { font-size:0.75rem; color:var(--text-muted); margin-top:2px; }

/* Print hide */
@media print { .topbar, .no-print { display:none !important; } }

/* ── DARK MODE ────────────────────────────────────────────────────────────── */
[data-theme="dark"]{--primary:#2563eb;--primary-light:#3b82f6;--accent:#f59e0b;--accent-light:#fbbf24;--bg:#0f172a;--card:#1e293b;--text:#e2e8f0;--text-muted:#94a3b8;--border:#334155;--row-alt:#1e293b;--shadow:0 4px 24px rgba(0,0,0,.4);}
[data-theme="dark"] body{background:var(--bg);color:var(--text);}
[data-theme="dark"] .card{background:var(--card);}
[data-theme="dark"] .form-group input,[data-theme="dark"] .form-group select,[data-theme="dark"] .form-group textarea{background:#0f172a;color:var(--text);border-color:var(--border);}
[data-theme="dark"] .settings-row{background:#1e293b;border-color:var(--border);}[data-theme="dark"] .settings-row:hover{background:#273444;}
[data-theme="dark"] .items-table td,[data-theme="dark"] .items-table td input{background:#1e293b;color:var(--text);border-color:var(--border);}
[data-theme="dark"] .items-table tbody tr:nth-child(even){background:#162032;}[data-theme="dark"] .items-table tbody tr:hover{background:#1f3148;}
[data-theme="dark"] .modal{background:#1e293b;}[data-theme="dark"] .modal-body{color:var(--text);}[data-theme="dark"] .modal-footer{border-color:var(--border);}
[data-theme="dark"] .preset-table td,[data-theme="dark"] .preset-table th{color:var(--text);border-color:var(--border);}[data-theme="dark"] .preset-table th{background:#0f172a;}
[data-theme="dark"] .preset-table input{background:#0f172a;color:var(--text);border-color:var(--border);}
[data-theme="dark"] .bill-list-item:hover{background:#1e293b;}
[data-theme="dark"] .entry-strip{background:linear-gradient(90deg,#1a2744,#1e2f50);border-color:var(--border);}
[data-theme="dark"] .search-bar input,[data-theme="dark"] select{background:#0f172a;color:var(--text);border-color:var(--border);}
[data-theme="dark"] .bill-list-item{border-color:var(--border);}
/* ── STATUS BADGES ─────────────────────────────────────────────────────────── */
.badge-paid{background:#e8f5e9;color:#2e7d32;border:1.5px solid #a5d6a7;}
.badge-unpaid{background:#fff8e1;color:#f57f17;border:1.5px solid #ffe082;}
.bill-paid .bill-meta strong{color:#2e7d32;}
/* ── NAV BADGE ──────────────────────────────────────────────────────────────── */
.nav-badge{background:#c62828;color:white;font-size:.6rem;font-weight:700;padding:1px 5px;border-radius:10px;margin-left:4px;vertical-align:middle;}
/* ── DARK MODE BUTTON ────────────────────────────────────────────────────────── */
.theme-btn{background:rgba(255,255,255,.12);border:none;color:white;width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:background .2s;}.theme-btn:hover{background:rgba(255,255,255,.22);}