/* ============================================================
   DESIGN-SYSTEM.CSS — منصة أمين خليل للعلوم الشرعية
   طبقة موحّدة تُحمَّل بعد style.css و auth.css.
   لا تُعدّل أي ملف قائم — فقط تُنسّق الألوان وتضيف مكوّنات ds-*
   جاهزة لإعادة الاستخدام في كل صفحة حالية أو مستقبلية.
   ============================================================ */

/* ── 1. توحيد التوكنز حسب الهوية الجديدة ─────────────────────
   هذه الطبقة تُعيد كتابة المتغيرات نفسها التي يقرأها كل الكود
   الحالي (style.css / auth.css)، فتتغيّر الألوان في كل الموقع
   تلقائيًا دون لمس أي ملف آخر.                                */
:root {
  /* الألوان الأساسية المطلوبة بالبريف — بالقيم الحرفية */
  --primary:      #27AE7A;
  --primary-d:    #1E8A60;
  --secondary:    #0F766E;
  --secondary-d:  #0B544E;
  --secondary-2:  #0F766E;
  --secondary-2-d: #0B544E;
  --accent:       #D4AF37;
  --accent-d:     #B3922B;
  --bg-page:      #F8FAFC;
  --bg-card:      #FFFFFF;
  --white:        #FFFFFF;

  --success: #22C55E;
  --warning: #F59E0B;
  --danger:  #EF4444;
  --success-50: rgba(34,197,94,.12);
  --warning-50: rgba(245,158,11,.12);
  --danger-50:  rgba(239,68,68,.12);

  --secondary-50:  rgba(15,118,110,.08);
  --secondary-100: rgba(15,118,110,.14);
  --accent-50:     rgba(212,175,55,.12);
  --accent-100:    rgba(212,175,55,.2);

  --shadow-primary:   0 8px 28px rgba(39,174,122,.25);
  --shadow-secondary: 0 8px 28px rgba(15,118,110,.25);
  --shadow-accent:    0 8px 28px rgba(212,175,55,.25);

  /* نصف قطر إضافي — كروت 24px كما بالبريف */
  --r-2xl: 24px;

  /* منحنى حركة "spring" لطبقة ds-* (fallback إن لم يكن معرّفًا) */
  --t-spring: 380ms cubic-bezier(.34,1.56,.64,1);
}

[data-theme="dark"] {
  --primary:      #34C88D;
  --primary-d:    #2AA876;
  --secondary:    #1C8A82;
  --secondary-d:  #14655F;
  --secondary-2:  #1C8A82;
  --secondary-2-d: #14655F;
  --accent:       #E4C468;
  --accent-d:     #D4AF37;
  --bg-card:      #1B222A;

  --success-50: rgba(34,197,94,.18);
  --warning-50: rgba(245,158,11,.18);
  --danger-50:  rgba(239,68,68,.18);
  --secondary-50:  rgba(28,138,130,.16);
  --secondary-100: rgba(28,138,130,.26);
  --accent-50:     rgba(228,196,104,.16);
  --accent-100:    rgba(228,196,104,.26);
}

/* ============================================================
   2. BUTTON — ds-btn
   ============================================================ */
.ds-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow: hidden;
  isolation: isolate;
  padding: 13px 26px;
  min-height: 48px;
  border-radius: var(--r-full, 9999px);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: .95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--t-fast, 150ms ease),
              box-shadow var(--t-base, 250ms ease),
              background var(--t-base, 250ms ease),
              opacity var(--t-fast, 150ms ease);
}
.ds-btn:hover { transform: translateY(-2px); }
.ds-btn:active { transform: translateY(0) scale(.97); }
.ds-btn:focus-visible { outline: 2px solid var(--secondary); outline-offset: 3px; }
.ds-btn svg { width: 18px; height: 18px; transition: transform var(--t-base, 250ms ease); }

.ds-btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.ds-btn-primary:hover { box-shadow: 0 12px 32px rgba(39,174,122,.35); }

.ds-btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-d));
  color: #fff;
  box-shadow: var(--shadow-secondary);
}

.ds-btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-d));
  color: #241B04;
  box-shadow: var(--shadow-accent);
}

.ds-btn-outline {
  background: transparent;
  border-color: var(--border-md, #D4DAE0);
  color: var(--text-700, #2D3A47);
}
.ds-btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.ds-btn-ghost {
  background: var(--secondary-50);
  color: var(--secondary);
}
.ds-btn-ghost:hover { background: var(--secondary-100); }

.ds-btn-danger {
  background: linear-gradient(135deg, var(--danger), #C0392B);
  color: #fff;
  box-shadow: 0 8px 28px rgba(239,68,68,.28);
}

.ds-btn-sm { padding: 9px 18px; min-height: 38px; font-size: .84rem; }
.ds-btn-lg { padding: 16px 34px; min-height: 56px; font-size: 1.02rem; }
.ds-btn-full { width: 100%; }
.ds-btn-icon { padding: 12px; min-width: 48px; }

.ds-btn:disabled,
.ds-btn.is-disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.ds-btn.is-loading { color: transparent !important; pointer-events: none; }
.ds-btn.is-loading::before {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ds-spin .7s linear infinite;
}
.ds-btn-outline.is-loading::before,
.ds-btn-ghost.is-loading::before { border-color: rgba(15,118,110,.25); border-top-color: var(--secondary); }
@keyframes ds-spin { to { transform: rotate(360deg); } }

.ds-btn.is-success { background: linear-gradient(135deg, var(--success), #16A34A); color: #fff; }

/* ripple element يُنشئه design-system.js */
.ds-btn .ds-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.35);
  transform: scale(0);
  animation: ds-ripple .6s ease-out forwards;
  pointer-events: none;
}
.ds-btn-outline .ds-ripple,
.ds-btn-ghost .ds-ripple { background: rgba(15,118,110,.18); }
@keyframes ds-ripple { to { transform: scale(1); opacity: 0; } }

/* ============================================================
   3. CARD — ds-card
   ============================================================ */
.ds-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border, #E8ECEF);
  border-radius: var(--r-2xl);
  padding: 28px;
  box-shadow: var(--shadow-sm, 0 4px 12px rgba(0,0,0,.08));
  transition: transform var(--t-base, 250ms ease),
              box-shadow var(--t-base, 250ms ease),
              border-color var(--t-base, 250ms ease);
}
.ds-card-hover:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg, 0 16px 48px rgba(0,0,0,.12));
  border-color: var(--primary);
}

.ds-card-glass {
  background: rgba(255,255,255,.65);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255,255,255,.5);
}
[data-theme="dark"] .ds-card-glass {
  background: rgba(27,34,42,.6);
  border-color: rgba(255,255,255,.08);
}

/* حد متدرّج — Gradient Border */
.ds-card-gradient-border {
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
    linear-gradient(135deg, var(--primary), var(--accent)) border-box;
}

.ds-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.ds-card-title { font-weight: 800; font-size: 1.05rem; color: var(--text-900, #0F1923); }
.ds-card-desc { color: var(--text-500, #5A6A7A); font-size: .9rem; line-height: 1.7; }
.ds-card-footer { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border, #E8ECEF); display: flex; align-items: center; justify-content: space-between; }

/* Skeleton loading لكارت */
.ds-card-skeleton { overflow: hidden; }
.ds-skeleton-line {
  height: 12px;
  border-radius: 6px;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--border,#E8ECEF) 25%, var(--bg-page,#F8FAFC) 50%, var(--border,#E8ECEF) 75%);
  background-size: 200% 100%;
  animation: ds-shimmer 1.4s infinite;
}
@keyframes ds-shimmer { to { background-position: -200% 0; } }

/* ============================================================
   4. INPUT / FIELD — ds-field
   ============================================================ */
.ds-field { position: relative; margin-bottom: 20px; }
.ds-field-wrap { position: relative; }

.ds-input {
  width: 100%;
  height: 54px;
  padding: 22px 16px 8px;
  border: 1.5px solid var(--border-md, #D4DAE0);
  border-radius: 14px;
  background: var(--bg-card);
  color: var(--text-900, #0F1923);
  font-family: var(--font-main);
  font-size: .95rem;
  transition: border-color var(--t-base,250ms ease), box-shadow var(--t-base,250ms ease);
}
.ds-input::placeholder { color: transparent; }
.ds-input:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px var(--secondary-50);
}

.ds-label {
  position: absolute;
  right: 16px;
  top: 17px;
  color: var(--text-400, #7E8F9F);
  font-size: .92rem;
  pointer-events: none;
  transform-origin: right top;
  transition: transform var(--t-fast,150ms ease), color var(--t-fast,150ms ease), top var(--t-fast,150ms ease);
}
.ds-input:focus + .ds-label,
.ds-input:not(:placeholder-shown) + .ds-label {
  top: 8px;
  transform: scale(.72);
  color: var(--secondary);
  font-weight: 700;
}

.ds-field.error .ds-input { border-color: var(--danger); box-shadow: 0 0 0 4px var(--danger-50); }
.ds-field.success .ds-input { border-color: var(--success); box-shadow: 0 0 0 4px var(--success-50); }
.ds-field-error {
  display: block;
  margin-top: 6px;
  font-size: .8rem;
  color: var(--danger);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--t-base,250ms ease), opacity var(--t-base,250ms ease);
}
.ds-field.error .ds-field-error { max-height: 30px; opacity: 1; }

/* ============================================================
   5. BADGE — ds-badge
   ============================================================ */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border-radius: var(--r-full, 9999px);
  font-size: .76rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}
.ds-badge-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.ds-badge-primary   { background: var(--green-50, rgba(39,174,122,.12)); color: var(--primary-d); }
.ds-badge-secondary { background: var(--secondary-50); color: var(--secondary); }
.ds-badge-accent    { background: var(--accent-50); color: var(--accent-d); }
.ds-badge-success   { background: var(--success-50); color: #16853F; }
.ds-badge-warning   { background: var(--warning-50); color: #B3760A; }
.ds-badge-danger    { background: var(--danger-50); color: #C0392B; }
.ds-badge-neutral   { background: var(--bg-page, #F8FAFC); color: var(--text-500,#5A6A7A); border: 1px solid var(--border,#E8ECEF); }

/* ============================================================
   6. ALERT — ds-alert
   ============================================================ */
.ds-alert {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-size: .88rem;
  line-height: 1.7;
}
.ds-alert svg { flex-shrink: 0; width: 20px; height: 20px; margin-top: 1px; }
.ds-alert-title { font-weight: 800; margin-bottom: 2px; display: block; }
.ds-alert-close { margin-inline-start: auto; opacity: .6; cursor: pointer; background: none; border: none; }
.ds-alert-close:hover { opacity: 1; }

.ds-alert-success { background: var(--success-50); border-color: rgba(34,197,94,.3); color: #15803D; }
.ds-alert-warning { background: var(--warning-50); border-color: rgba(245,158,11,.3); color: #B45309; }
.ds-alert-danger  { background: var(--danger-50);  border-color: rgba(239,68,68,.3);  color: #B91C1C; }
.ds-alert-info    { background: var(--secondary-50); border-color: rgba(15,118,110,.25); color: var(--secondary); }

/* ============================================================
   7. MODAL — ds-modal
   ============================================================ */
.ds-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,25,35,.55);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  z-index: 900;
  opacity: 0; visibility: hidden;
  transition: opacity var(--t-base,250ms ease), visibility var(--t-base,250ms ease);
}
.ds-modal-overlay.is-open { opacity: 1; visibility: visible; }

.ds-modal {
  width: 100%; max-width: 460px;
  background: var(--bg-card);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-lg, 0 16px 48px rgba(0,0,0,.12));
  padding: 28px;
  transform: translateY(24px) scale(.97);
  opacity: 0;
  transition: transform var(--t-spring), opacity var(--t-base,250ms ease);
}
.ds-modal-overlay.is-open .ds-modal { transform: translateY(0) scale(1); opacity: 1; }

.ds-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.ds-modal-title { font-weight: 800; font-size: 1.15rem; color: var(--text-900,#0F1923); }
.ds-modal-close {
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-page, #F8FAFC); border: none; color: var(--text-500,#5A6A7A);
  cursor: pointer; transition: background var(--t-fast,150ms ease);
}
.ds-modal-close:hover { background: var(--danger-50); color: var(--danger); }
.ds-modal-body { color: var(--text-500,#5A6A7A); font-size: .92rem; line-height: 1.8; }
.ds-modal-footer { margin-top: 22px; display: flex; gap: 10px; justify-content: flex-end; }

/* ============================================================
   8. TABLE — ds-table
   ============================================================ */
.ds-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border, #E8ECEF);
  border-radius: var(--r-2xl);
  overflow: hidden;
}
.ds-table-scroll { overflow-x: auto; }
.ds-table { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 560px; }
.ds-table thead th {
  position: sticky; top: 0;
  background: var(--bg-page, #F8FAFC);
  color: var(--text-500, #5A6A7A);
  font-weight: 800;
  font-size: .78rem;
  text-align: right;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border,#E8ECEF);
  white-space: nowrap;
}
.ds-table tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border,#E8ECEF);
  color: var(--text-700,#2D3A47);
  vertical-align: middle;
}
.ds-table tbody tr { transition: background var(--t-fast,150ms ease); }
.ds-table tbody tr:hover { background: var(--secondary-50); }
.ds-table tbody tr:last-child td { border-bottom: none; }
.ds-table-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--border,#E8ECEF); }
.ds-table-pagination { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 14px; }
.ds-page-btn {
  width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; font-weight: 700; color: var(--text-500,#5A6A7A);
  background: transparent; border: 1px solid transparent; cursor: pointer;
  transition: all var(--t-fast,150ms ease);
}
.ds-page-btn:hover { border-color: var(--border,#E8ECEF); }
.ds-page-btn.is-active { background: var(--primary); color: #fff; }

/* ============================================================
   9. NAVBAR — ds-navbar (Glass)
   ============================================================ */
.ds-navbar {
  position: fixed; top: 0; inset-inline: 0; z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 32px;
  background: rgba(248,250,252,.72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid rgba(255,255,255,.4);
  transition: box-shadow var(--t-base,250ms ease), background var(--t-base,250ms ease);
}
.ds-navbar.is-scrolled { box-shadow: var(--shadow-sm, 0 4px 12px rgba(0,0,0,.08)); }
[data-theme="dark"] .ds-navbar { background: rgba(15,20,26,.72); border-color: rgba(255,255,255,.06); }
.ds-navbar-links { display: flex; align-items: center; gap: 28px; }
.ds-navbar-link { font-weight: 700; font-size: .92rem; color: var(--text-700,#2D3A47); position: relative; }
.ds-navbar-link::after {
  content: ""; position: absolute; right: 0; left: 0; bottom: -6px; height: 2px;
  background: var(--primary); transform: scaleX(0); transition: transform var(--t-base,250ms ease);
}
.ds-navbar-link:hover::after, .ds-navbar-link.is-active::after { transform: scaleX(1); }

/* ============================================================
   10. SIDEBAR — ds-sidebar (Glass, للوحات الطالب/المدرّس/الإدارة)
   ============================================================ */
.ds-sidebar {
  width: 264px; min-height: 100vh;
  padding: 24px 18px;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-inline-end: 1px solid rgba(255,255,255,.5);
  display: flex; flex-direction: column; gap: 6px;
}
[data-theme="dark"] .ds-sidebar { background: rgba(20,26,32,.65); border-color: rgba(255,255,255,.06); }
.ds-sidebar-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: 14px;
  color: var(--text-500,#5A6A7A); font-weight: 700; font-size: .9rem;
  transition: background var(--t-fast,150ms ease), color var(--t-fast,150ms ease);
}
.ds-sidebar-item svg { width: 19px; height: 19px; flex-shrink: 0; }
.ds-sidebar-item:hover { background: var(--secondary-50); color: var(--secondary); }
.ds-sidebar-item.is-active { background: linear-gradient(135deg, var(--primary), var(--primary-d)); color: #fff; box-shadow: var(--shadow-primary); }

/* ============================================================
   11. HARAKAT — Reveal-on-scroll + Magnetic (يشغّلها design-system.js)
   ============================================================ */
[data-reveal] { opacity: 0; transition: opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); }
[data-reveal="fade"]      { transform: translateY(0); }
[data-reveal="up"]        { transform: translateY(28px); }
[data-reveal="down"]      { transform: translateY(-28px); }
[data-reveal="left"]      { transform: translateX(28px); }
[data-reveal="right"]     { transform: translateX(-28px); }
[data-reveal="scale"]     { transform: scale(.92); }
[data-reveal].in-view     { opacity: 1; transform: translate(0,0) scale(1); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .ds-btn, .ds-card, [data-magnetic] { transition: none !important; }
}

/* ============================================================
   12. RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .ds-sidebar { width: 100%; min-height: auto; flex-direction: row; overflow-x: auto; }
  .ds-navbar { padding: 12px 18px; }
  .ds-modal { max-width: 100%; }
}