/* ============================================================
   Church Rota Management – Stylesheet
   ============================================================ */
:root {
    --bg: #f7f4ef;
    --surface: #ffffff;
    --surface-alt: #f0ebe3;
    --border: #d9d2c7;
    --text: #2c2825;
    --text-muted: #7a716a;
    --primary: #5b6f4a;
    --primary-hover: #4a5d3c;
    --primary-light: #e8efe3;
    --accent: #a0522d;
    --danger: #b5443a;
    --danger-light: #f8e8e6;
    --success: #5b6f4a;
    --success-light: #e8efe3;
    --warning: #c49032;
    --warning-light: #faf3e0;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 8px;
    --shadow-sm: 0 1px 3px rgba(44,40,37,0.06);
    --shadow-md: 0 4px 12px rgba(44,40,37,0.08);
    --shadow-lg: 0 8px 30px rgba(44,40,37,0.12);
    --transition: 0.2s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-body); background: var(--bg); color: var(--text);
    line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }
.hidden { display: none !important; }

/* Header */
.site-header {
    background: var(--surface); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm);
}
.header-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 1.5rem;
    display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.logo {
    display: flex; align-items: center; gap: 0.6rem;
    font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: var(--text); cursor: pointer;
}
.logo:hover { color: var(--primary); }
.logo-icon { font-size: 1.5rem; }
.main-nav { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
    padding: 0.5rem 0.85rem; border-radius: var(--radius); font-size: 0.9rem;
    font-weight: 500; color: var(--text-muted); cursor: pointer;
    transition: all var(--transition); background: none; border: none; font-family: var(--font-body);
}
.nav-link:hover { background: var(--surface-alt); color: var(--text); }
.nav-link.active { background: var(--primary-light); color: var(--primary); }
.nav-user {
    display: flex; align-items: center; gap: 0.5rem;
    margin-left: 1rem; padding-left: 1rem; border-left: 1px solid var(--border);
}
.nav-username { font-size: 0.85rem; color: var(--text-muted); }
.nav-logout { color: var(--danger) !important; }
.mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* Content */
.content-wrap { max-width: 1200px; width: 100%; margin: 0 auto; padding: 2rem 1.5rem; flex: 1; }
.page-title { font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; margin-bottom: 1.5rem; }
.page-subtitle { font-size: 1rem; color: var(--text-muted); margin-top: -1rem; margin-bottom: 1.5rem; }

/* Cards */
.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.5rem; box-shadow: var(--shadow-sm); margin-bottom: 1.5rem;
}
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border);
}
.card-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; }

/* Alerts */
.alert {
    padding: 0.85rem 1.25rem; border-radius: var(--radius); margin-bottom: 1.5rem;
    font-size: 0.9rem; font-weight: 500; border: 1px solid;
    animation: fadeIn 0.3s ease;
}
.alert-success { background: var(--success-light); border-color: var(--success); color: #3d5030; }
.alert-error { background: var(--danger-light); border-color: var(--danger); color: #8b2e26; }
.alert-warning { background: var(--warning-light); border-color: var(--warning); color: #7a5a12; }
@keyframes fadeIn { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:translateY(0); } }

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.35rem; }
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 0.6rem 0.85rem; border: 1px solid var(--border);
    border-radius: var(--radius); font-family: var(--font-body); font-size: 0.9rem;
    background: var(--surface); color: var(--text); transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(91,111,74,0.15);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }
.checkbox-group { display: flex; gap: 2rem; align-items: end; padding-bottom: 0.6rem; }
.checkbox-label { display: flex; align-items: center; gap: 0.4rem; cursor: pointer; font-size: 0.9rem; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.6rem 1.25rem;
    border: none; border-radius: var(--radius); font-family: var(--font-body);
    font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: all var(--transition);
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-secondary { background: var(--surface-alt); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #9a3a32; color: #fff; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-block { display: block; width: 100%; text-align: center; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th {
    font-weight: 600; font-size: 0.8rem; text-transform: uppercase;
    letter-spacing: 0.03em; color: var(--text-muted); background: var(--surface-alt);
}
tr:hover td { background: rgba(91,111,74,0.03); }

/* Badges */
.badge { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }
.badge-confirmed { background: var(--success-light); color: var(--success); }
.badge-pending { background: var(--warning-light); color: var(--warning); }
.badge-unassigned { background: var(--danger-light); color: var(--danger); }
.badge-active { background: var(--success-light); color: var(--success); }
.badge-inactive { background: var(--surface-alt); color: var(--text-muted); }

/* Calendar */
.calendar-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.calendar-month-title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; }
.calendar-grid {
    display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px;
    background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.calendar-header-cell {
    background: var(--surface-alt); padding: 0.5rem; text-align: center;
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted);
}
.calendar-cell { background: var(--surface); min-height: 100px; padding: 0.5rem; position: relative; }
.calendar-cell.outside { background: var(--surface-alt); opacity: 0.5; }
.calendar-cell.today { box-shadow: inset 0 0 0 2px var(--primary); }
.calendar-date { font-size: 0.8rem; font-weight: 600; margin-bottom: 0.35rem; color: var(--text-muted); }
.calendar-duty { font-size: 0.72rem; padding: 0.2rem 0.4rem; border-radius: 4px; margin-bottom: 0.2rem; line-height: 1.3; display: block; }
.duty-unlock { background: #e8f0f8; color: #2d5070; }
.duty-lock { background: #faf3e0; color: #7a5a12; }
.duty-unassigned { background: var(--danger-light); color: var(--danger); font-style: italic; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; text-align: center; }
.stat-number { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.25rem; }

/* Duty list */
.duty-list-item {
    display: flex; align-items: center; gap: 1rem;
    padding: 0.85rem 1rem; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 0.5rem; background: var(--surface);
}
.duty-date { font-weight: 700; font-size: 0.9rem; min-width: 100px; }
.duty-type { font-size: 0.85rem; }

/* Dashboard layout */
.dashboard-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; align-items: start; }

/* Rota form */
.rota-controls { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1rem; }
.rota-month-nav { display: flex; gap: 0.5rem; align-items: center; }
.rota-span-btns { display: flex; gap: 0.5rem; align-items: center; }
.rota-span-label { font-size: 0.85rem; color: var(--text-muted); }
.rota-header-row {
    display: grid; grid-template-columns: 120px 1fr 1fr 1fr;
    gap: 0.75rem; padding: 0.6rem 0; border-bottom: 2px solid var(--border);
    font-weight: 600; font-size: 0.8rem; text-transform: uppercase; color: var(--text-muted);
}
.rota-day-row {
    display: grid; grid-template-columns: 120px 1fr 1fr 1fr;
    gap: 0.75rem; align-items: center; padding: 0.6rem 0; border-bottom: 1px solid var(--surface-alt);
}
.rota-day-row.sunday { background: var(--primary-light); border-radius: var(--radius); padding: 0.6rem 0.75rem; }
.rota-day-label { font-weight: 600; font-size: 0.85rem; }
.rota-day-label .day-name { color: var(--text-muted); font-weight: 400; }
.rota-month-divider {
    padding: 1rem 0 0.5rem; font-family: var(--font-display); font-size: 1.1rem;
    font-weight: 600; border-top: 2px solid var(--primary); margin-top: 0.5rem;
}
.rota-day-row .form-select, .rota-day-row .form-input { padding: 0.4rem 0.6rem; font-size: 0.85rem; }

/* Login */
.login-wrap { max-width: 420px; margin: 3rem auto; }
.login-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 2.5rem 2rem; box-shadow: var(--shadow-lg); text-align: center;
}
.login-card .logo { justify-content: center; font-size: 1.5rem; margin-bottom: 0.5rem; }
.login-card .form-group { text-align: left; }
.login-tagline { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; }

/* Confirm page */
.confirm-wrap { max-width: 500px; margin: 3rem auto; text-align: center; }
.confirm-icon { font-size: 3rem; margin-bottom: 1rem; }

/* Settings sections */
.settings-section { margin-bottom: 0.5rem; }
.settings-section .card-title { font-size: 1rem; }

/* Footer */
.site-footer {
    text-align: center; padding: 1.5rem; font-size: 0.8rem;
    color: var(--text-muted); border-top: 1px solid var(--border); margin-top: auto;
}

/* Spinner */
.spinner { display: inline-block; width: 20px; height: 20px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay {
    position: fixed; inset: 0; background: rgba(247,244,239,0.8); display: flex;
    align-items: center; justify-content: center; z-index: 1000; font-size: 1.1rem; gap: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .main-nav {
        display: none; position: absolute; top: 64px; left: 0; right: 0;
        background: var(--surface); flex-direction: column; padding: 1rem;
        border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md);
    }
    .main-nav.open { display: flex; }
    .nav-user { margin-left:0; padding-left:0; border-left:none; border-top:1px solid var(--border); padding-top:0.75rem; margin-top:0.5rem; }
    .calendar-cell { min-height: 70px; padding: 0.3rem; }
    .calendar-duty { font-size: 0.65rem; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .rota-header-row, .rota-day-row { grid-template-columns: 1fr; gap: 0.35rem; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}