/* ===== APP SHELL ===== */
#app {
  display: flex;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform var(--transition-base);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-logo {
  padding: var(--space-6) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.sidebar-logo-img {
  width: 40px; height: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-indigo-500));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  flex-shrink: 0;
}
.sidebar-logo-text { overflow: hidden; }
.sidebar-logo-text .title {
  font-size: var(--text-sm);
  font-weight: var(--font-semi);
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-logo-text .subtitle {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
}

.sidebar-nav { flex: 1; padding: var(--space-4) var(--space-3); }

.nav-section-label {
  font-size: 0.65rem;
  font-weight: var(--font-semi);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-lg);
  color: var(--sidebar-text);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 2px;
  font-size: var(--text-sm);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
  position: relative;
  text-decoration: none;
}
.nav-item i { width: 18px; text-align: center; font-size: var(--text-base); flex-shrink: 0; }
.nav-item .nav-text { flex: 1; }
.nav-item .nav-badge {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-weight: var(--font-semi);
}
.nav-item:hover {
  background: var(--sidebar-hover);
  color: #fff;
}
.nav-item.active {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-indigo-600));
  color: var(--sidebar-active);
  box-shadow: 0 4px 12px rgba(91,47,192,0.4);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 60%;
  background: var(--color-gold-500);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.sidebar-user {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: background var(--transition-fast);
  border-radius: 0;
}
.sidebar-user:hover { background: var(--sidebar-hover); }
.sidebar-user .user-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: rgba(255,255,255,0.9);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user .user-role {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
}

/* ===== MAIN CONTENT ===== */
.main-wrap {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-base);
}

/* ===== TOPBAR ===== */
.topbar {
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background var(--transition-base);
}
.topbar-left {
  display: flex; align-items: center; gap: var(--space-3); flex: 1;
}
.topbar-right {
  display: flex; align-items: center; gap: var(--space-2);
}

.page-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semi);
  color: var(--text-primary);
}
.page-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 2px;
}

.menu-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-lg);
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  align-items: center; justify-content: center;
  font-size: var(--text-xl);
  transition: background var(--transition-fast);
}
.menu-toggle:hover { background: var(--bg-surface2); }

/* ===== PAGE CONTENT ===== */
.page-content {
  flex: 1;
  padding: var(--space-6);
  max-width: 1400px;
  width: 100%;
}

/* Page header */
.page-header {
  margin-bottom: var(--space-6);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.page-header-text h2 { font-size: var(--text-2xl); }
.page-header-text p  { color: var(--text-muted); font-size: var(--text-sm); margin-top: var(--space-1); }

/* ===== SIDEBAR OVERLAY (mobile) ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 150;
  backdrop-filter: blur(4px);
}
.sidebar-overlay.visible { display: block; }

/* ===== NOTIFICATION PANEL ===== */
.notif-panel {
  position: fixed;
  top: var(--topbar-height);
  right: var(--space-4);
  width: 360px;
  max-height: 480px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-dropdown);
  overflow: hidden;
  animation: slideDown 0.2s ease;
}
.notif-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
}
.notif-list { overflow-y: auto; max-height: 380px; }
.notif-item {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-color);
  display: flex; gap: var(--space-3); align-items: flex-start;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.notif-item:hover { background: var(--bg-surface2); }
.notif-item.unread { background: rgba(91,47,192,0.04); }
.notif-item:last-child { border-bottom: none; }
.notif-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

/* ===== CONTENT SECTIONS ===== */
.section-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semi);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  display: flex; align-items: center; gap: var(--space-2);
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
  margin-left: var(--space-4);
}

/* ===== PERIOD SELECTOR ===== */
.period-select {
  display: flex; align-items: center; gap: var(--space-2);
  background: var(--bg-surface2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  cursor: pointer;
  color: var(--text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  :root { --sidebar-width: 220px; }
  .page-content { padding: var(--space-4); }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }
  .main-wrap { margin-left: 0; }
  .menu-toggle { display: flex; }
  .topbar { padding: 0 var(--space-4); }
  .page-content { padding: var(--space-4); }
  .page-header { flex-direction: column; }
  .notif-panel { right: var(--space-2); left: var(--space-2); width: auto; }
}

@media (max-width: 480px) {
  .topbar { padding: 0 var(--space-3); gap: var(--space-2); }
  .page-content { padding: var(--space-3); }
  .page-title { font-size: var(--text-lg); }
}

/* ===== LOGIN LAYOUT ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a0533 0%, #3730a3 50%, #1a0533 100%);
  position: relative;
  overflow: hidden;
  padding: var(--space-4);
}
.login-page::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
  top: -200px; right: -100px;
  animation: float 8s ease-in-out infinite;
}
.login-page::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, transparent 70%);
  bottom: -100px; left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  position: relative;
  z-index: 1;
  box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}

.login-logo {
  text-align: center;
  margin-bottom: var(--space-8);
}
.login-logo-circle {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-indigo-400));
  border-radius: var(--radius-2xl);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-4);
  box-shadow: var(--shadow-glow);
  font-size: var(--text-3xl);
  color: #fff;
}
.login-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: #fff;
}
.login-subtitle {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-1);
}
.login-card .form-label { color: rgba(255,255,255,0.8); }
.login-card .form-control {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}
.login-card .form-control::placeholder { color: rgba(255,255,255,0.4); }
.login-card .form-control:focus {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.5);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.1);
}

.quick-login {
  margin-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: var(--space-5);
}
.quick-login-title {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.quick-btns { display: flex; gap: var(--space-2); }
.quick-btn {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.8);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}
.quick-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}

.lang-toggle {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: flex;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  padding: 2px;
  z-index: 10;
}
.lang-btn {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  cursor: pointer;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
  border: none;
  background: none;
  font-family: var(--font-sans);
}
.lang-btn.active {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

/* Floating particles for login bg */
.particle {
  position: absolute;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.05);
  animation: float linear infinite;
  pointer-events: none;
}