/* ============================================================
   School Management System – Frontend Styles
   ============================================================ */

:root {
  --smgmt-primary:    #1a3a5c;
  --smgmt-primary-lt: #2563a8;
  --smgmt-accent:     #f59e0b;
  --smgmt-success:    #16a34a;
  --smgmt-error:      #dc2626;
  --smgmt-warning:    #d97706;
  --smgmt-bg:         #f1f5f9;
  --smgmt-card:       #ffffff;
  --smgmt-border:     #e2e8f0;
  --smgmt-text:       #1e293b;
  --smgmt-muted:      #64748b;
  --smgmt-radius:     10px;
  --smgmt-shadow:     0 2px 12px rgba(0,0,0,.08);
}

/* ── Layout ─────────────────────────────────────────────── */
.smgmt-wrap {
  max-width: 1100px;
  margin: 32px auto;
  padding: 0 20px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--smgmt-text);
}

.smgmt-card {
  background: var(--smgmt-card);
  border: 1px solid var(--smgmt-border);
  border-radius: var(--smgmt-radius);
  padding: 32px;
  box-shadow: var(--smgmt-shadow);
}

.smgmt-section {
  margin-bottom: 32px;
}

.smgmt-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.smgmt-mb { margin-bottom: 16px; }

/* ── Portal Header ──────────────────────────────────────── */
.smgmt-portal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--smgmt-primary);
  color: #fff;
  padding: 20px 28px;
  border-radius: var(--smgmt-radius);
  margin-bottom: 24px;
}
.smgmt-portal-header h1 {
  margin: 0;
  font-size: 1.4rem;
  color: #fff;
}
.smgmt-portal-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Tabs ───────────────────────────────────────────────── */
.smgmt-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--smgmt-border);
  margin-bottom: 24px;
}
.smgmt-tab {
  padding: 10px 20px;
  color: var(--smgmt-muted);
  text-decoration: none;
  border-radius: var(--smgmt-radius) var(--smgmt-radius) 0 0;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all .15s;
}
.smgmt-tab:hover { color: var(--smgmt-primary); background: var(--smgmt-bg); }
.smgmt-tab.active {
  color: var(--smgmt-primary);
  background: #fff;
  border-color: var(--smgmt-border);
  border-bottom-color: #fff;
  margin-bottom: -2px;
}

/* ── Buttons ────────────────────────────────────────────── */
.smgmt-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition: all .15s;
  line-height: 1;
}
.smgmt-btn-primary {
  background: var(--smgmt-primary);
  color: #fff;
  border-color: var(--smgmt-primary);
}
.smgmt-btn-primary:hover { background: var(--smgmt-primary-lt); border-color: var(--smgmt-primary-lt); color:#fff; }
.smgmt-btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}
.smgmt-btn-outline:hover { background: rgba(255,255,255,.15); color:#fff; }
.smgmt-btn-sm { padding: 5px 12px; font-size:.8rem; }
.smgmt-btn-danger { background: #fee2e2; color: var(--smgmt-error); border-color:#fca5a5; }
.smgmt-btn-danger:hover { background: var(--smgmt-error); color:#fff; }
.smgmt-full-width { width: 100%; justify-content: center; }

/* ── Login card ─────────────────────────────────────────── */
.smgmt-login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
}
.smgmt-login-card {
  width: 100%;
  max-width: 420px;
}
.smgmt-logo {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--smgmt-primary);
  margin-bottom: 8px;
}
.smgmt-login-card h2 {
  text-align: center;
  color: var(--smgmt-muted);
  margin-bottom: 24px;
  font-size: 1rem;
  font-weight: 400;
}
.smgmt-forgot { text-align: center; margin-top: 16px; font-size: .875rem; }
.smgmt-forgot a { color: var(--smgmt-primary-lt); }

/* ── Form fields ────────────────────────────────────────── */
.smgmt-field {
  margin-bottom: 16px;
}
.smgmt-field label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--smgmt-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 6px;
}
.smgmt-field input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
.smgmt-field textarea,
.smgmt-field select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--smgmt-border);
  border-radius: 6px;
  font-size: .9rem;
  color: var(--smgmt-text);
  box-sizing: border-box;
  transition: border-color .15s;
}
.smgmt-field input[type="checkbox"],
.smgmt-field input[type="radio"] {
  width: auto;
  padding: 0;
  border: none;
  box-shadow: none;
  accent-color: var(--smgmt-primary);
}
.smgmt-field input:focus,
.smgmt-field textarea:focus {
  outline: none;
  border-color: var(--smgmt-primary-lt);
  box-shadow: 0 0 0 3px rgba(37,99,168,.12);
}

/* ── Alerts ─────────────────────────────────────────────── */
.smgmt-alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: .9rem;
}
.smgmt-alert-error   { background: #fee2e2; color: var(--smgmt-error);   border: 1px solid #fca5a5; }
.smgmt-alert-success { background: #dcfce7; color: var(--smgmt-success); border: 1px solid #86efac; }

/* ── Course grid ────────────────────────────────────────── */
.smgmt-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.smgmt-course-card {
  background: var(--smgmt-card);
  border: 1px solid var(--smgmt-border);
  border-radius: var(--smgmt-radius);
  padding: 20px;
  box-shadow: var(--smgmt-shadow);
}
.smgmt-course-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}
.smgmt-course-card h3 { margin: 0; font-size: 1rem; color: var(--smgmt-primary); }
.smgmt-course-desc { color: var(--smgmt-muted); font-size: .875rem; margin: 8px 0; }
.smgmt-course-meta { font-size: .825rem; color: var(--smgmt-muted); margin-bottom: 12px; }
.smgmt-course-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* ── Badges ─────────────────────────────────────────────── */
.smgmt-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  background: var(--smgmt-bg);
  color: var(--smgmt-muted);
  white-space: nowrap;
}
.smgmt-gpa-badge {
  background: var(--smgmt-accent);
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: .9rem;
}

.smgmt-grade-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: .8rem;
  font-weight: 700;
}
.grade-a   { background: #dcfce7; color: #15803d; }
.grade-b   { background: #dbeafe; color: #1d4ed8; }
.grade-c   { background: #fef9c3; color: #a16207; }
.grade-d   { background: #ffedd5; color: #c2410c; }
.grade-f   { background: #fee2e2; color: #b91c1c; }
.grade-pending { background: #f1f5f9; color: #64748b; }

.smgmt-status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
}
.status-published, .status-completed { background: #dcfce7; color: #15803d; }
.status-draft, .status-pending       { background: #fef9c3; color: #a16207; }
.status-failed                        { background: #fee2e2; color: #b91c1c; }
.status-refunded                      { background: #f3e8ff; color: #7e22ce; }

/* ── Tables ─────────────────────────────────────────────── */
.smgmt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
.smgmt-table th {
  background: var(--smgmt-primary);
  color: #fff;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
}
.smgmt-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--smgmt-border);
  vertical-align: top;
}
.smgmt-table tr:hover td { background: #f8fafc; }

/* ── Gradebook ──────────────────────────────────────────── */
.smgmt-gradebook th,
.smgmt-gradebook td { font-size:.8rem; }
.smgmt-grade-input {
  width: 60px;
  padding: 4px 6px;
  border: 1px solid var(--smgmt-border);
  border-radius: 4px;
  font-size: .8rem;
}
.smgmt-feedback-input {
  width: 120px;
  padding: 4px 6px;
  border: 1px solid var(--smgmt-border);
  border-radius: 4px;
  font-size: .75rem;
  margin-left: 4px;
}
.smgmt-save-grade-btn {
  margin-left: 4px;
  padding: 4px 10px;
  background: var(--smgmt-primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: .75rem;
}

/* ── GPA summary ────────────────────────────────────────── */
.smgmt-gpa-summary {
  background: var(--smgmt-primary);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--smgmt-radius);
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.smgmt-gpa-big {
  font-size: 2rem;
  font-weight: 800;
  color: var(--smgmt-accent);
}

.smgmt-grade-course-block { margin-bottom: 24px; }
.smgmt-grade-course-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--smgmt-bg);
  padding: 10px 16px;
  border-radius: 6px 6px 0 0;
  font-weight: 600;
  border: 1px solid var(--smgmt-border);
}

/* ── Details/Summary ────────────────────────────────────── */
.smgmt-details {
  margin-top: 12px;
  border: 1px solid var(--smgmt-border);
  border-radius: 6px;
  overflow: hidden;
}
.smgmt-details summary {
  padding: 8px 14px;
  background: var(--smgmt-bg);
  cursor: pointer;
  font-size: .85rem;
  font-weight: 600;
  color: var(--smgmt-primary);
}
.smgmt-details summary:hover { background: #e2e8f0; }
.smgmt-lesson-list, .smgmt-assignment-list {
  padding: 12px 20px;
  margin: 0;
}
.smgmt-lesson-list li, .smgmt-assignment-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--smgmt-border);
  font-size: .875rem;
}
.smgmt-lesson-list li:last-child, .smgmt-assignment-list li:last-child { border: none; }
.smgmt-lesson-content { color: var(--smgmt-muted); margin-top: 4px; font-size: .825rem; }
.smgmt-due { font-size: .775rem; color: var(--smgmt-muted); margin-left: 8px; }
.smgmt-feedback { font-size: .8rem; color: var(--smgmt-muted); margin: 4px 0 0; }

/* ── Teacher lesson admin ───────────────────────────────── */
.smgmt-lesson-list-admin { display: flex; flex-direction: column; gap: 12px; }
.smgmt-lesson-item {
  border: 1px solid var(--smgmt-border);
  border-radius: 8px;
  overflow: hidden;
}
.smgmt-lesson-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--smgmt-bg);
  padding: 10px 16px;
}
.smgmt-lesson-preview {
  padding: 12px 16px;
  font-size: .875rem;
  color: var(--smgmt-muted);
}

/* ── Form cards ─────────────────────────────────────────── */
.smgmt-form-card {
  background: #f8fafc;
  border: 1px solid var(--smgmt-border);
  border-radius: var(--smgmt-radius);
  padding: 20px;
  margin-bottom: 24px;
}
.smgmt-form-card h3 { margin: 0 0 16px; color: var(--smgmt-primary); }
.smgmt-form-actions { display: flex; gap: 10px; margin-top: 8px; }

/* ── Misc ───────────────────────────────────────────────── */
.smgmt-empty {
  color: var(--smgmt-muted);
  font-style: italic;
  padding: 24px;
  text-align: center;
  background: var(--smgmt-bg);
  border-radius: var(--smgmt-radius);
}
.smgmt-link { color: var(--smgmt-primary-lt); text-decoration: none; }
.smgmt-link:hover { text-decoration: underline; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .smgmt-portal-header { flex-direction: column; gap: 12px; text-align: center; }
  .smgmt-course-grid   { grid-template-columns: 1fr; }
  .smgmt-tabs          { flex-wrap: wrap; }
  .smgmt-tab           { font-size: .8rem; padding: 8px 12px; }
}

/* ── Available Courses table ── */
.smgmt-available-table { font-size: .875rem; }
.smgmt-available-table th { white-space: nowrap; font-size: .8rem; }
.smgmt-available-table td { vertical-align: top; }
.smgmt-enrolled-row td { background: #f8fafc !important; color: #94a3b8; }
.smgmt-enrolled-row td:first-child { background: #f8fafc !important; }

/* Register button activated state */
#smgmt-register-btn:not([disabled]) {
  opacity: 1 !important;
  cursor: pointer !important;
}

/* ── Profile tab ── */
.smgmt-profile-table th {
  width: 140px;
  background: #f8fafc;
  font-weight: 600;
  color: #475569;
  font-size: .85rem;
}
.smgmt-profile-table td { font-size: .9rem; }
.smgmt-input {
  width: 100%;
  padding: 9px 14px;
  border: 1px solid var(--smgmt-border);
  border-radius: 6px;
  font-size: .9rem;
  box-sizing: border-box;
}
.smgmt-input:focus {
  outline: none;
  border-color: var(--smgmt-primary-lt);
  box-shadow: 0 0 0 3px rgba(37,99,168,.12);
}
.smgmt-profile-group h3 { margin: 0 0 12px; }

/* Payment type radio labels */
.smgmt-pay-radio-label:hover { background:#f8fafc; }
.smgmt-pay-radio-label input[type="radio"] { accent-color: var(--smgmt-primary); }

/* ── Teacher RTE toolbar ── */
.smgmt-rte-btn {
  padding: 3px 9px !important;
  border: 1px solid #94a3b8 !important;
  border-radius: 4px !important;
  background: #f8fafc !important;
  cursor: pointer !important;
  font-size: .8rem !important;
  line-height: 1.6 !important;
  min-width: 28px !important;
  text-align: center !important;
  color: #1e293b !important;
  font-family: inherit !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: background .1s, border-color .1s;
  box-shadow: none !important;
  text-shadow: none !important;
}
.smgmt-rte-btn:hover {
  background: #e2e8f0 !important;
  border-color: #64748b !important;
  color: #0f172a !important;
}
[contenteditable]:focus { outline: 2px solid #2271b1; outline-offset: -1px; }
[contenteditable] img { max-width: 100%; height: auto; margin: 4px 0; }

/* ── Contenteditable RTE list indentation ── */
[contenteditable] ul,
[contenteditable] ol {
  margin: 4px 0 4px 20px;
  padding-left: 4px;
}
[contenteditable] li { margin-bottom: 2px; }

/* ── Global 6px rounded corners on all buttons ── */
button,
.button,
.smgmt-btn,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  border-radius: 6px !important;
}