/* ════════════════════════════════════════════════════════════════
   03-layout.css — Login + Sidebar + Topbar + Main
   ════════════════════════════════════════════════════════════════ */

/* ============ شاشة الدخول ============ */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(ellipse 70% 50% at 20% 10%, rgba(43, 108, 176, 0.2), transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 90%, rgba(232, 104, 28, 0.12), transparent 60%),
    linear-gradient(160deg, #0B1220 0%, #1D2942 100%);
  position: relative;
  overflow: hidden;
}
.login-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.login-card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-radius: var(--radius-xl);
  padding: 44px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  animation: cardEnter 0.7s var(--ease-spring) both;
  position: relative;
  z-index: 2;
}
@keyframes cardEnter {
  0% { opacity: 0; transform: translateY(20px) scale(0.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
.login-logo { margin: 0 auto 14px; display: block; animation: logoFloat 3s ease-in-out infinite; }
.login-brand { text-align: center; margin-bottom: 30px; }
.login-brand h1 {
  font-family: 'Cairo', sans-serif;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.login-brand p {
  font-family: 'Cairo';
  font-weight: 700;
  color: var(--primary);
  font-size: 14px;
  margin-top: 2px;
}
.login-title { font-size: 19px; font-weight: 800; color: var(--dark); text-align: center; margin-bottom: 6px; }
.login-subtitle { font-size: 13px; color: var(--gray-500); text-align: center; margin-bottom: 24px; }

.demo-creds {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px dashed var(--gray-300);
}
.demo-creds-title { font-size: 12px; font-weight: 800; color: var(--gray-700); margin-bottom: 8px; }
.demo-cred-row { font-size: 11px; color: var(--gray-500); margin: 3px 0; font-family: monospace; }
.demo-cred-row b { color: var(--gray-900); }

/* ============ التطبيق الرئيسي ============ */
.app { display: none; min-height: 100vh; position: relative; z-index: 1; }
.app.active { display: block; }

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

/* ============ الشريط الجانبي ============ */
.sidebar {
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  padding: 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--primary-50), transparent);
}
.sidebar-brand-text h2 {
  font-family: 'Cairo', sans-serif;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--primary-dark), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sidebar-brand-text p { font-family: 'Cairo'; font-size: 11px; font-weight: 700; color: var(--primary-light); margin-top: 2px; }

.sidebar-section-title {
  color: var(--text-muted);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 18px 20px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: calc(100% - 16px);
  margin: 2px 8px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  position: relative;
  font-family: inherit;
  text-align: right;
  transition: background 0.2s, color 0.2s;
}
.nav-item svg { width: 18px; height: 18px; color: var(--gray-500); transition: color 0.2s; flex-shrink: 0; }
.nav-item:hover { background: var(--gray-100); }
.nav-item:hover svg { color: var(--primary); }
.nav-item.active {
  background: linear-gradient(90deg, var(--primary-100), transparent);
  color: var(--primary);
  font-weight: 800;
}
.nav-item.active svg { color: var(--primary); }
.nav-item.active::before {
  content: "";
  position: absolute;
  right: 0;
  top: 20%; bottom: 20%;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 2px 0 0 2px;
}
.nav-item.accent.active { background: linear-gradient(90deg, var(--accent-100), transparent); color: var(--accent); }
.nav-item.accent.active svg { color: var(--accent); }
.nav-item.accent.active::before { background: var(--accent); }
.nav-item-badge {
  margin-inline-start: auto;
  background: var(--primary-100);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
  min-width: 22px;
  text-align: center;
}
.nav-item.active .nav-item-badge { background: var(--primary); color: #fff; }

.sidebar-user { margin-top: auto; padding: 12px; border-top: 1px solid var(--border); }
.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.sidebar-user-avatar {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
  font-size: 15px;
}
.sidebar-user-info { min-width: 0; flex: 1; }
.sidebar-user-name { font-weight: 700; color: var(--text); font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { color: var(--text-muted); font-size: 11.5px; }

/* ============ Topbar + Main ============ */
.main {
  background: transparent;
  min-height: 100vh;
  overflow: hidden;
}

.topbar {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-title {
  font-family: 'Cairo', sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}
.topbar-subtitle { color: var(--text-muted); font-size: 12.5px; margin-top: 2px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.menu-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.theme-toggle, .icon-btn {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--gray-700);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
}
.theme-toggle:hover, .icon-btn:hover {
  background: var(--primary-50);
  color: var(--primary);
  border-color: var(--primary-200);
  transform: translateY(-1px);
}
.theme-toggle svg, .icon-btn svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }

.content {
  padding: 24px 28px;
  max-width: 1400px;
  margin: 0 auto;
}

.page { display: none; animation: pageEnter 0.45s var(--ease-out); }
.page.active { display: block; }
@keyframes pageEnter {
  0% { opacity: 0; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11, 18, 32, 0.5);
  backdrop-filter: blur(4px);
  z-index: 99;
}
.sidebar-overlay.show { display: block; }