:root {
  --ink: #1B2A4A;
  --bg: #EDF1F4;
  --bg-panel: #FFFFFF;
  --accent: #FF7A29;
  --accent-dark: #E35F0F;
  --teal: #12857A;
  --text-muted: #5B6B7F;
  --border: #D7DEE4;
  --danger: #C0392B;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font-family: var(--font-body); background: var(--bg); color: var(--ink); }
h1, h2, h3 { font-family: var(--font-display); margin: 0 0 4px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 8px; border: none;
  font-weight: 600; font-size: 0.9rem; cursor: pointer; font-family: var(--font-body);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: none; border: 1px solid var(--border); color: var(--ink); }
.btn-danger { background: none; border: 1px solid var(--danger); color: var(--danger); }
.btn-block { width: 100%; margin-top: 6px; }
.btn-small { padding: 6px 12px; font-size: 0.82rem; }

/* Login */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { background: var(--bg-panel); border-radius: 14px; padding: 32px 28px; width: 100%; max-width: 360px; border: 1px solid var(--border); }
.subtitle { color: var(--text-muted); margin-bottom: 20px; }
.login-card label { display: block; font-size: 0.85rem; font-weight: 600; margin: 14px 0 6px; }
.login-card input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-family: var(--font-body); }
.error-text { color: var(--danger); font-size: 0.85rem; margin-top: 12px; }

/* Dashboard */
.admin-header { background: var(--bg-panel); border-bottom: 1px solid var(--border); }
.admin-header-row { max-width: 1080px; margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand-name { font-family: var(--font-display); font-weight: 700; }
.brand-tag { color: var(--text-muted); font-weight: 500; font-size: 0.85rem; }
.admin-tabs { display: flex; gap: 8px; }
.tab-btn { background: none; border: none; padding: 8px 14px; border-radius: 8px; font-weight: 600; color: var(--text-muted); cursor: pointer; font-family: var(--font-body); }
.tab-btn.active { background: #FF7A2914; color: var(--accent-dark); }

.panel-head { display: flex; align-items: center; justify-content: space-between; margin: 32px 0 16px; }

table { width: 100%; border-collapse: collapse; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: none; }
tr:last-child td { border-bottom: none; }
.thumb { width: 48px; height: 32px; object-fit: cover; border-radius: 4px; background: #DCE3E9; }
.status-pill { padding: 3px 10px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; }
.status-approved { background: #12857A1a; color: #12857A; }
.status-pending { background: #FF7A291a; color: #E35F0F; }
.status-rejected, .status-cancelled { background: #C0392B1a; color: #C0392B; }
.row-actions { display: flex; gap: 8px; }

/* Modal (course form) reuses same visual language */
.modal { position: fixed; inset: 0; background: rgba(20,28,40,0.55); display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 100; }
.modal-card { background: var(--bg-panel); border-radius: 14px; padding: 28px; max-width: 440px; width: 100%; max-height: 90vh; overflow-y: auto; position: relative; }
.modal-close { position: absolute; top: 12px; right: 14px; background: none; border: none; font-size: 1.4rem; color: var(--text-muted); cursor: pointer; }
#course-form label { display: block; font-size: 0.85rem; font-weight: 600; margin: 14px 0 6px; }
#course-form input[type=text], #course-form input[type=number], #course-form textarea, #course-form select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-family: var(--font-body);
}
.checkbox-row { display: flex; align-items: center; gap: 8px; font-weight: 500; margin-top: 16px; }
.checkbox-row input { width: auto; }
.field-hint { font-size: 0.78rem; color: var(--text-muted); margin: 4px 0 0; }
.password-field-wrap { position: relative; }
.password-field-wrap input { padding-right: 42px; }
.password-toggle-btn {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1.05rem;
  padding: 6px 8px; line-height: 1; opacity: 0.6;
}
.password-toggle-btn:hover { opacity: 1; }

.payments-card { max-width: 560px; }
.payments-status { border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; }
.payments-status strong { display: block; margin-bottom: 6px; }
.payments-status p { margin: 0; color: var(--text-muted); font-size: 0.9rem; line-height: 1.5; }
.payments-connected { background: #12857A14; border: 1px solid var(--teal); }
.payments-connected strong { color: var(--teal); }
.payments-disconnected { background: #FF7A2914; border: 1px solid var(--accent); }
.payments-disconnected strong { color: var(--accent-dark); }

#commission-form label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
#commission-form input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-family: var(--font-body); }

.report-totals { margin-top: 20px; margin-bottom: 16px; }
.report-total-card {
  background: var(--bg-panel); border: 1px solid var(--teal); border-radius: 10px;
  padding: 16px 18px; display: inline-flex; flex-direction: column; gap: 2px;
}
.report-total-label { font-size: 0.8rem; color: var(--text-muted); }
.report-total-value { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--teal); }
.report-total-sub { font-size: 0.78rem; color: var(--text-muted); }
#report-filter-form label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
#report-filter-form input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-family: var(--font-body); }