/* EduCRM — Admissions Management System */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=DM+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f7f7f5;
  --bg-tertiary: #f0efea;
  --text-primary: #1a1a18;
  --text-secondary: #6b6b66;
  --text-tertiary: #a0a09a;
  --border-light: rgba(0,0,0,0.08);
  --border-medium: rgba(0,0,0,0.14);
  --accent: #1a56db;
  --accent-bg: #eef2ff;
  --accent-text: #1e40af;
  --success: #166534;
  --success-bg: #dcfce7;
  --danger: #991b1b;
  --danger-bg: #fee2e2;
  --warning: #92400e;
  --warning-bg: #fef3c7;
  --info: #1e40af;
  --info-bg: #dbeafe;
  --sidebar-width: 210px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: var(--font); font-size: 14px; color: var(--text-primary); background: var(--bg-tertiary); }

/* ── Layout ── */
.app { display: flex; height: 100vh; overflow: hidden; }
.sidebar { width: var(--sidebar-width); min-width: var(--sidebar-width); background: var(--bg-primary); border-right: 0.5px solid var(--border-light); display: flex; flex-direction: column; overflow-y: auto; }
.main { flex: 1; overflow-y: auto; display: flex; flex-direction: column; }
.topbar { background: var(--bg-primary); border-bottom: 0.5px solid var(--border-light); padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 20; }
.topbar h2 { font-size: 15px; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.page-body { padding: 24px; flex: 1; }
.page { display: none; flex-direction: column; height: 100%; }
.page.active { display: flex; }

/* ── Sidebar ── */
.sidebar-logo { padding: 18px 16px 14px; border-bottom: 0.5px solid var(--border-light); }
.sidebar-logo .brand { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.sidebar-logo .brand i { font-size: 18px; color: var(--accent); }
.sidebar-logo .sub { font-size: 11px; color: var(--text-tertiary); margin-top: 3px; }
.year-pill { margin: 10px 12px; background: var(--accent-bg); color: var(--accent-text); font-size: 12px; font-weight: 500; padding: 6px 12px; border-radius: 20px; text-align: center; cursor: pointer; border: none; font-family: var(--font); width: calc(100% - 24px); }
.nav-section { font-size: 10px; color: var(--text-tertiary); padding: 10px 16px 4px; letter-spacing: .07em; text-transform: uppercase; font-weight: 500; }
.nav-item { display: flex; align-items: center; gap: 9px; padding: 8px 16px; cursor: pointer; font-size: 13px; color: var(--text-secondary); transition: all .15s; border-left: 2px solid transparent; }
.nav-item:hover { background: var(--bg-secondary); color: var(--text-primary); }
.nav-item.active { background: var(--accent-bg); color: var(--accent-text); border-left-color: var(--accent); font-weight: 500; }
.nav-item i { font-size: 16px; width: 18px; }
.nav-spacer { flex: 1; }
.nav-bottom { border-top: 0.5px solid var(--border-light); padding-top: 4px; }

/* ── Cards & Metrics ── */
.card { background: var(--bg-primary); border: 0.5px solid var(--border-light); border-radius: var(--radius-lg); padding: 18px; }
.card-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 14px; }
.card-flush { padding: 0; overflow: hidden; }
.metric-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 20px; }
.metric-grid-3 { grid-template-columns: repeat(3,1fr); }
.metric-grid-2 { grid-template-columns: repeat(2,1fr); }
.metric { background: var(--bg-secondary); border-radius: var(--radius-md); padding: 14px 16px; }
.metric-label { font-size: 11px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; }
.metric-value { font-size: 24px; font-weight: 600; line-height: 1; }
.metric-sub { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }
.metric-value.green { color: var(--success); }
.metric-value.red { color: var(--danger); }
.metric-value.amber { color: var(--warning); }
.metric-value.blue { color: var(--accent); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 20px; }

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 9px 12px; border-bottom: 0.5px solid var(--border-light); font-weight: 600; color: var(--text-secondary); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; background: var(--bg-secondary); }
td { padding: 9px 12px; border-bottom: 0.5px solid var(--border-light); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-secondary); }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: var(--radius-sm); font-size: 13px; cursor: pointer; border: 0.5px solid var(--border-medium); background: var(--bg-primary); color: var(--text-primary); font-family: var(--font); font-weight: 500; transition: all .15s; text-decoration: none; }
.btn:hover { background: var(--bg-secondary); }
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--accent); color: #fff; border-color: transparent; }
.btn.primary:hover { background: #1648c0; }
.btn.success-btn { background: var(--success-bg); color: var(--success); border-color: transparent; }
.btn.danger-btn { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn.icon-btn { padding: 6px; border-radius: var(--radius-sm); }
.wa-btn { display: inline-flex; align-items: center; gap: 6px; background: #25D366; color: #fff; border: none; padding: 6px 12px; border-radius: var(--radius-sm); font-size: 12px; cursor: pointer; font-family: var(--font); font-weight: 500; transition: background .15s; }
.wa-btn:hover { background: #1da851; }
.wa-btn.lg { padding: 8px 18px; font-size: 13px; }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.success { background: var(--success-bg); color: var(--success); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.warning { background: var(--warning-bg); color: var(--warning); }
.badge.info { background: var(--info-bg); color: var(--info); }
.badge.new { background: var(--info-bg); color: var(--info); }
.badge.followup { background: var(--warning-bg); color: var(--warning); }
.badge.admitted { background: var(--success-bg); color: var(--success); }
.badge.lost { background: var(--danger-bg); color: var(--danger); }

/* ── Forms ── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 5px; font-weight: 500; }
.required { color: var(--danger); }
input, select, textarea { width: 100%; padding: 8px 11px; border: 0.5px solid var(--border-medium); border-radius: var(--radius-sm); font-size: 13px; font-family: var(--font); background: var(--bg-primary); color: var(--text-primary); transition: border-color .15s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,86,219,0.1); }
textarea { resize: vertical; min-height: 80px; }
.search-box { position: relative; }
.search-box input { padding-left: 34px; }
.search-box i { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-tertiary); font-size: 16px; }
.filter-bar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar input { max-width: 240px; }
.filter-bar select { width: auto; }

/* ── Seat Bar ── */
.seat-bar { height: 8px; border-radius: 4px; background: var(--bg-tertiary); overflow: hidden; margin: 5px 0; }
.seat-fill { height: 100%; border-radius: 4px; transition: width .4s ease; }
.seat-fill.green { background: #16a34a; }
.seat-fill.amber { background: #d97706; }
.seat-fill.red { background: #dc2626; }

/* ── Alerts ── */
.alert { border-radius: var(--radius-md); padding: 11px 14px; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; font-size: 13px; }
.alert.danger { background: var(--danger-bg); color: var(--danger); border: 0.5px solid rgba(153,27,27,0.2); }
.alert.warning { background: var(--warning-bg); color: var(--warning); border: 0.5px solid rgba(146,64,14,0.2); }
.alert i { font-size: 18px; flex-shrink: 0; }

/* ── Tabs ── */
.tabs { display: flex; border-bottom: 0.5px solid var(--border-light); margin-bottom: 18px; }
.tab { padding: 9px 18px; font-size: 13px; cursor: pointer; color: var(--text-secondary); border-bottom: 2px solid transparent; margin-bottom: -0.5px; font-weight: 500; transition: all .15s; }
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Modal ── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 100; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg-primary); border-radius: var(--radius-lg); padding: 22px; width: 520px; max-height: 88vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.modal-lg { width: 640px; }
.modal-title { font-size: 15px; font-weight: 600; margin-bottom: 18px; display: flex; justify-content: space-between; align-items: center; }
.modal-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; padding-top: 16px; border-top: 0.5px solid var(--border-light); }

/* ── Receipt ── */
.receipt-box { border: 1px solid var(--border-medium); padding: 28px; max-width: 500px; margin: 0 auto; border-radius: var(--radius-lg); font-family: var(--font); }
.receipt-header { text-align: center; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px dashed var(--border-medium); }
.receipt-header h2 { font-size: 20px; font-weight: 700; color: var(--accent); }
.receipt-header p { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.receipt-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 13px; border-bottom: 0.5px solid var(--border-light); }
.receipt-row:last-child { border-bottom: none; }
.receipt-row .label { color: var(--text-secondary); }
.receipt-total { border-top: 1.5px solid var(--border-medium); margin-top: 10px; padding-top: 12px; display: flex; justify-content: space-between; font-weight: 600; font-size: 16px; }
.receipt-total .amount { color: var(--success); font-size: 20px; }
.receipt-footer { text-align: center; margin-top: 18px; font-size: 11px; color: var(--text-tertiary); border-top: 1px dashed var(--border-light); padding-top: 14px; }
.receipt-stamp { display: inline-block; border: 2px solid var(--success); color: var(--success); padding: 4px 16px; border-radius: 4px; font-weight: 700; font-size: 13px; letter-spacing: .05em; transform: rotate(-5deg); margin: 8px 0; }

/* ── Upload Zone ── */
.upload-zone { border: 1.5px dashed var(--border-medium); border-radius: var(--radius-lg); padding: 36px; text-align: center; cursor: pointer; transition: all .15s; }
.upload-zone:hover { border-color: var(--accent); background: var(--accent-bg); }
.upload-zone i { font-size: 36px; color: var(--text-tertiary); margin-bottom: 10px; display: block; }
.upload-zone p { font-size: 13px; color: var(--text-secondary); }
.upload-zone .hint { font-size: 11px; color: var(--text-tertiary); margin-top: 6px; }

/* ── Avatar ── */
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--accent-bg); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; color: var(--accent-text); flex-shrink: 0; }
.avatar.green { background: var(--success-bg); color: var(--success); }
.avatar.amber { background: var(--warning-bg); color: var(--warning); }

/* ── Template Cards ── */
.template-card { border: 0.5px solid var(--border-light); border-radius: var(--radius-md); padding: 14px; cursor: pointer; transition: all .15s; }
.template-card:hover { border-color: var(--accent); background: var(--accent-bg); }
.template-card h4 { font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.template-card p { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.template-card .tc-footer { margin-top: 10px; display: flex; gap: 6px; align-items: center; }

/* ── Course Cards ── */
.course-card { background: var(--bg-primary); border: 0.5px solid var(--border-light); border-radius: var(--radius-lg); padding: 18px; }
.course-card.full { border-color: #fca5a5; }
.course-card.almost { border-color: #fcd34d; }
.course-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
.course-name { font-size: 14px; font-weight: 600; }
.course-type { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.course-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-top: 14px; font-size: 12px; }
.course-stat-label { color: var(--text-secondary); font-size: 11px; }
.course-stat-value { font-weight: 600; font-size: 14px; }

/* ── Misc ── */
.divider { height: 0.5px; background: var(--border-light); margin: 14px 0; }
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: 12px; }
.fw-bold { font-weight: 600; }
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-secondary); }
.empty-state i { font-size: 48px; color: var(--text-tertiary); display: block; margin-bottom: 12px; }
.hint-text { font-size: 11px; margin-top: 4px; }
.hint-text.success { color: var(--success); }
.hint-text.danger { color: var(--danger); }
.hint-text.warning { color: var(--warning); }

/* ── Print Styles ── */
@media print {
  .no-print { display: none !important; }
  .app { display: block; }
  .sidebar { display: none; }
  .topbar { display: none; }
  .page { display: block !important; }
  .receipt-box { border: 1px solid #ccc; }
}