/* الأساسيات */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma,
    "Noto Sans Arabic", "Dubai", Arial, sans-serif;
  direction: rtl;
  text-align: right;
  background: radial-gradient(circle at top left, #edf2ff 0, #f8fafc 40%, #f5f5f7 100%);
  color: #111827;
}

/* هيكل الرأس */
.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.88),
    rgba(15, 23, 42, 0.95)
  );
  color: #e5e7eb;
  padding: 0.85rem 2rem 0.8rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.6);
  background-color: transparent;
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-tagline {
  font-size: 0.8rem;
  color: #9ca3af;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-pill {
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: 0.8rem;
  color: #e5e7eb;
  background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.35), transparent);
}

/* الهيكل العام */
.app-main {
  padding: 1.8rem 2rem 2.4rem;
  max-width: 1400px;
  margin: 0 auto;
}

.view-section.hidden {
  display: none;
}

/* قسم البطل (Hero) */
.hero-shell {
  margin-bottom: 2rem;
  position: relative;
}

.hero-main-card {
  position: relative;
  background: radial-gradient(circle at top left, #eff6ff 0, #ffffff 45%, #f9fafb 100%);
  border-radius: 28px;
  padding: 1.8rem 2rem 1.4rem;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.18);
  border: 1px solid rgba(148, 163, 184, 0.2);
  overflow: hidden;
}

.hero-main-content {
  display: flex;
  gap: 2.2rem;
  align-items: stretch;
}

.hero-text {
  flex: 3;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.hero-title {
  margin: 0;
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0f172a;
}

.hero-subtitle {
  margin: 0;
  font-size: 0.98rem;
  color: #4b5563;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-btn {
  padding-inline: 1.4rem;
  padding-block: 0.55rem;
  font-weight: 600;
}

.hero-meta-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

.meta-chip {
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background-color: rgba(15, 23, 42, 0.02);
  color: #1e293b;
}

.meta-chip.subtle {
  border-style: dashed;
  color: #6b7280;
}

.hero-summary {
  flex: 2.1;
  background: rgba(15, 23, 42, 0.95);
  border-radius: 22px;
  padding: 1.2rem 1.4rem;
  color: #e5e7eb;
  position: relative;
  overflow: hidden;
}

.hero-summary::before {
  content: "";
  position: absolute;
  inset-inline-start: -40%;
  inset-block-end: -40%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.45), transparent 70%);
  opacity: 0.7;
}

.hero-summary-label {
  position: relative;
  font-size: 0.85rem;
  color: #9ca3af;
  margin-bottom: 0.6rem;
}

.hero-summary-row {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-bottom: 0.4rem;
}

.hero-summary-item {
  padding: 0.55rem 0.75rem;
  border-radius: 14px;
  background-color: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.6);
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.hero-summary-item-label {
  font-size: 0.76rem;
  color: #9ca3af;
}

.hero-summary-item-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: #e5f2ff;
}

.hero-tabs {
  margin-top: 1.15rem;
  display: inline-flex;
  gap: 0.4rem;
  padding: 0.18rem;
  border-radius: 999px;
  background-color: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.tab-button {
  border: none;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  background-color: transparent;
  color: #1e293b;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease,
    transform 0.05s ease;
}

.tab-button.active {
  background: linear-gradient(135deg, #1d4ed8, #0f172a);
  color: #f9fafb;
  box-shadow: 0 8px 18px rgba(30, 64, 175, 0.45);
}

.tab-button:hover {
  background-color: rgba(148, 163, 184, 0.18);
}

.tab-button:active {
  transform: translateY(1px);
}

/* البطاقات الطافية حول البطل */
.hero-floating-grid {
  position: relative;
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.hero-float-card {
  background-color: #ffffff;
  border-radius: 22px;
  padding: 0.85rem 1rem;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.16);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.hero-float-label {
  font-size: 0.8rem;
  color: #6b7280;
  margin-bottom: 0.25rem;
}

.hero-float-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.15rem;
}

.hero-float-meta {
  font-size: 0.78rem;
  color: #9ca3af;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.1rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
}

.status-pill.neutral {
  background-color: #e5e7eb;
  color: #374151;
}

.status-pill.success {
  background-color: #dcfce7;
  color: #166534;
}

.status-pill.warning {
  background-color: #fef3c7;
  color: #92400e;
}

.status-pill.muted {
  background-color: #e5e7eb;
  color: #6b7280;
}

/* الألواح الرئيسية */
.panel {
  background-color: #ffffff;
  border-radius: 22px;
  padding: 1.4rem 1.6rem 1.5rem;
  margin-bottom: 1.3rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.panel-large {
  padding-inline: 1.7rem;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: #0f172a;
}

.panel-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.25fr 1.1fr;
  gap: 1rem;
}

.panel-footer {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.panel-subtitle {
  margin-top: 1.3rem;
  margin-bottom: 0.4rem;
}

.panel-subtitle h3 {
  margin: 0;
  font-size: 1.05rem;
}

.section-help {
  margin-top: 0;
  font-size: 0.88rem;
  color: #6b7280;
}

code {
  background-color: #f3f4ff;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.82rem;
  color: #1d4ed8;
}

/* الحقول */
.field-group {
  margin-bottom: 0.9rem;
}

.field-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.field-group input[type="text"],
.field-group input[type="number"],
.field-group select,
.field-group textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  border: 1px solid #d0d7e2;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  direction: rtl;
  text-align: right;
}

.field-group textarea {
  resize: vertical;
  min-height: 140px;
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  border-color: #1d4ed8;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.22);
}

.field-group.inline {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.field-group.inline label {
  margin-bottom: 0;
}

/* الشبكات */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem 1rem;
}

.subpanel {
  background-color: #f9fafb;
  border-radius: 18px;
  padding: 1rem 1rem 1.1rem;
  border: 1px solid rgba(209, 213, 219, 0.8);
}

.subpanel-header {
  margin-bottom: 0.5rem;
}

.subpanel-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.subpanel-help {
  margin: 0.2rem 0 0;
  font-size: 0.84rem;
  color: #6b7280;
}

.student-result-panel {
  background-color: #ffffff;
}

.student-result-header {
  margin-bottom: 0.6rem;
}

/* الأزرار */
.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.45rem 1.15rem;
  font-size: 0.95rem;
  cursor: pointer;
  background-color: #e5e7eb;
  color: #111827;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.05s ease;
}

.btn.primary {
  background: linear-gradient(135deg, #1d4ed8, #1e3a8a);
  color: #f9fafb;
  box-shadow: 0 12px 25px rgba(37, 99, 235, 0.4);
}

.btn.secondary {
  background-color: #e0f2fe;
  color: #0369a1;
}

.btn.ghost {
  background-color: transparent;
  border: 1px solid #cbd5e1;
  color: #111827;
}

.btn:hover {
  background-color: #d1d5db;
}

.btn.primary:hover {
  filter: brightness(1.03);
}

.btn.secondary:hover {
  background-color: #bae6fd;
}

.btn.wide {
  width: 100%;
  justify-content: center;
}

.btn:active {
  transform: translateY(1px);
}

/* الرسائل */
.messages {
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

.messages ul {
  margin: 0.25rem 0 0;
  padding-right: 1.1rem;
}

.message-error {
  color: #b91c1c;
}

.message-success {
  color: #166534;
}

.message-warning {
  color: #92400e;
}

/* ملخص القواعد */
.constraints-panel {
  margin-top: 0.75rem;
  border-radius: 18px;
  border: 1px solid #e2e8f0;
  padding: 0.7rem 0.9rem 0.9rem;
  background-color: #f8fafc;
}

.constraints-panel summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
}

.constraints-grid {
  margin-top: 0.75rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.5rem 1rem;
}

.rule-item {
  background-color: #ffffff;
  border-radius: 14px;
  padding: 0.55rem 0.7rem 0.55rem;
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.rule-main {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.rule-tag {
  align-self: flex-start;
  font-size: 0.76rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background-color: #eff6ff;
  color: #1d4ed8;
}

.rule-tag-strong {
  background-color: #dcfce7;
  color: #166534;
}

.rules-summary {
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px dashed #cbd5e1;
  font-size: 0.9rem;
  color: #334155;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.rules-summary-label {
  font-weight: 600;
  margin-inline-end: 0.35rem;
}

.rule-badge {
  font-size: 0.78rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  background-color: #f3f4ff;
  color: #1d4ed8;
}

.rule-badge.muted {
  background-color: #f3f4f6;
  color: #6b7280;
}

/* مربعات التلميح */
.hint-box {
  margin-bottom: 0.75rem;
  border-radius: 14px;
  padding: 0.6rem 0.75rem;
  background: linear-gradient(135deg, #eff6ff, #eef2ff);
  border: 1px solid #d4d4ff;
}

.hint-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: #1d4ed8;
  margin-bottom: 0.25rem;
}

.hint-body {
  font-size: 0.8rem;
  color: #4b5563;
}

/* الجداول */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-top: 0.5rem;
  border-radius: 20px;
  border: 1px solid #e2e8f0;
  background-color: #f9fafb;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 500px;
}

thead {
  background-color: #eef2ff;
  position: sticky;
  top: 0;
  z-index: 1;
}

th,
td {
  border-bottom: 1px solid #e5e7eb;
  padding: 0.35rem 0.5rem;
  text-align: center;
  white-space: nowrap;
}

th {
  font-weight: 600;
}

tbody tr:nth-child(odd) {
  background-color: #f9fafb;
}

tbody tr:nth-child(even) {
  background-color: #ffffff;
}

/* ألوان المناوبات كبادجات */
.shift-OFF {
  background-color: #f3f4f6;
  color: #4b5563;
  border-radius: 999px;
  padding-block: 0.15rem;
}

.shift-M {
  background-color: #e0f2fe;
  color: #075985;
  border-radius: 999px;
  padding-block: 0.15rem;
}

.shift-A {
  background-color: #fef3c7;
  color: #92400e;
  border-radius: 999px;
  padding-block: 0.15rem;
}

.shift-E {
  background-color: #e0e7ff;
  color: #312e81;
  border-radius: 999px;
  padding-block: 0.15rem;
}

.shift-N {
  background-color: #111827;
  color: #e5e7eb;
  border-radius: 999px;
  padding-block: 0.15rem;
}

/* ملخص التوليد */
.generation-summary {
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.generation-summary-cards {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.6rem;
}

.gen-card {
  border-radius: 16px;
  padding: 0.5rem 0.7rem;
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
}

.gen-card-label {
  font-size: 0.8rem;
  color: #6b7280;
  margin-bottom: 0.15rem;
}

.gen-card-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: #111827;
}

.generation-summary-item {
  margin-bottom: 0.3rem;
}

.generation-summary strong {
  font-weight: 600;
}

/* بطاقة الطالب */
.student-card {
  border-radius: 18px;
  border: 1px solid #e2e8f0;
  padding: 0.95rem 1.1rem;
  background: radial-gradient(circle at top left, #eff6ff, #ffffff);
  margin-bottom: 0.9rem;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 0.75rem;
}

.student-card-title {
  font-weight: 700;
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
}

.student-card-row {
  font-size: 0.86rem;
  color: #4b5563;
}

.student-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-self: center;
  justify-content: flex-start;
}

.student-card-pill {
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background-color: #f3f4f6;
  color: #374151;
}

/* التذييل */
.app-footer {
  text-align: center;
  padding: 0.7rem 1rem 1.5rem;
  font-size: 0.8rem;
  color: #6b7280;
}

/* عناصر خاصة بطباعة الأقسام */
.dept-print-only {
  display: none;
}

/* الطباعة */
@media print {
  body {
    background-color: #fff;
  }

  .no-print {
    display: none !important;
  }

  .app-main {
    padding: 0;
    max-width: 100%;
    margin: 0;
  }

  .panel {
    box-shadow: none;
    border-radius: 0;
    margin-bottom: 0.5rem;
  }

  .table-wrapper {
    border-radius: 0;
  }

  /* إظهار/إخفاء حسب نوع الطباعة */
  body.print-admin #admin-view {
    display: block;
  }

  body.print-admin #student-view {
    display: none;
  }

  body.print-student #admin-view {
    display: none;
  }

  body.print-student #student-view {
    display: block;
  }

  /* محاولة دعم الطباعة بالوضع الأفقي عند الإمكان */
  @page {
    size: A4 landscape;
    margin: 10mm;
  }

  /* طباعة جدول المناوبات الشهري (المشرف) فقط */
  body.print-admin #admin-view > .panel {
    display: none;
  }

  body.print-admin #admin-view > .panel.panel-roster-print {
    display: block;
  }

  /* إخفاء قسم إحصائيات الطلاب من نسخة الطباعة للمشرف */
  body.print-admin .admin-stats-section {
    display: none !important;
  }

  /* طباعة جدول قسم واحد */
  body.print-dept #admin-view {
    display: block;
  }

  body.print-dept #student-view {
    display: none;
  }

  body.print-dept .no-print {
    display: none !important;
  }

  body.print-dept .dept-print-only {
    display: block;
  }

  body.print-dept #admin-view > .panel:not(.dept-print-only) {
    display: none;
  }

  /* جعل الجداول تتسع أفقياً لصفحة الطباعة الواحدة قدر الإمكان */
  .table-wrapper {
    overflow: visible !important;
  }

  table {
    table-layout: fixed;
    width: 100%;
    min-width: 0;
    font-size: 0.7rem;
  }

  th,
  td {
    padding: 0.15rem 0.2rem;
    white-space: nowrap;
  }
}

/* استجابة أساسية */
@media (max-width: 768px) {
  .app-header {
    padding: 1rem 1.25rem;
  }

  .main-nav {
    padding: 0.5rem 1.25rem;
  }

  .app-main {
    padding: 1rem 1.25rem 1.5rem;
  }

  table {
    font-size: 0.8rem;
  }
}