:root {
  --sidebar-width: 240px;
  --primary-color: #3B82F6;
  --primary-hover: #2563EB;
  --success-color: #22C55E;
  --warning-color: #F59E0B;
  --danger-color: #EF4444;
  --dark-text-color: #1E293B;
  --secondary-text-color: #64748B;
  --sidebar-bg: #05260a;
  --main-bg: #F1F5F9;
  --card-bg: #fff;
  --border-radius: 8px;
  --transition-speed: 0.2s;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  background-color: var(--main-bg);
  color: var(--dark-text-color);
}

#app { display: flex; min-height: 100vh; }

#sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  color: #fff;
  padding: 20px;
  box-shadow: 2px 0 5px rgba(0,0,0,.1);
  position: fixed;
  height: 100%;
  z-index: 100;
  transition: transform var(--transition-speed) ease-in-out, margin-left var(--transition-speed) ease-in-out;
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 20px;
}
.sidebar-brand-name {
  white-space: normal;
  line-height: 1.25;
  min-width: 0;
  max-width: 100%;
}
.sidebar-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 50%;
  border: none !important;
  background: transparent;
  padding: 0;
  flex-shrink: 0;
}

.logo { font-size: 1.5rem; }

.sidebar-menu { flex: 1; display: flex; flex-direction: column; gap: 6px; }

.sidebar-menu a, .sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #cbd5e1;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 6px;
  transition: background var(--transition-speed), color var(--transition-speed);
}

.sidebar-menu a:hover, .sidebar-footer a:hover { background: rgba(255,255,255,0.1); color: #fff; }

#app.sidebar-hidden #sidebar {
  transform: translateX(-100%);
}
#app.sidebar-hidden #main {
  margin-left: 0;
}


.sidebar-menu a.active { background: var(--primary-color); color: #fff; }

.sidebar-footer { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 15px; }

#main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 24px;
  transition: margin-left var(--transition-speed) ease-in-out;
}

#sidebar.open { transform: translateX(0); }

/* ===== BUTTONS ===== */
button, select, textarea {
  padding: 10px 15px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed), opacity var(--transition-speed);
}

button { cursor: pointer; background-color: var(--primary-color); color: #fff; border: none; }
button:hover { opacity: 0.9; background: var(--primary-hover); }
button.outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}
button.outline:hover { background: rgba(59,130,246,.08); }
button.success { background-color: var(--success-color); }
button.success:hover { background: #16a34a; }
button.warning { background-color: var(--warning-color); }
button.warning:hover { background: #d97706; }
button.danger { background-color: var(--danger-color); }
button.danger:hover { background: #dc2626; }

/* ===== CARDS ===== */
.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  padding: 20px;
  margin-bottom: 20px;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }

.action-card {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}
.action-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

/* Segmented buttons for sorting */
.segmented {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.segmented button {
  padding: 6px 12px;
  font-size: 0.9rem;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: var(--dark-text-color);
  cursor: pointer;
  transition: background var(--transition-speed), color var(--transition-speed);
}
.segmented button.active, .segmented button:hover {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

/* Tab buttons */
.tab-button {
  padding: 6px 14px;
  font-size: 0.85rem;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: var(--dark-text-color);
  cursor: pointer;
  transition: all var(--transition-speed);
}
.tab-button.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

/* ===== FORM ===== */
.form-group { margin-bottom: 15px; }

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--dark-text-color);
}

input, select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
  color: var(--dark-text-color);
  font-size: 1rem;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}
input:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

.text-secondary { color: var(--secondary-text-color); }

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 5px;
  font-size: 0.8rem;
  font-weight: 600;
}
.badge.success { background-color: #dcfce7; color: #166534; }
.badge.warning { background-color: #fef3c7; color: #92400e; }
.badge.danger { background-color: #fee2e2; color: #991b1b; }
.badge.info { background-color: #dbeafe; color: #1e40af; }

/* ===== LISTS ===== */
.list-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #f1f5f9;
  flex-wrap: wrap;
}
.list-row:last-child { border-bottom: none; }

/* ===== SCHEDULE ===== */
.schedule-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  margin-bottom: 10px;
  background: #f8fafc;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}
.schedule-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.schedule-time {
  min-width: 90px;
  font-weight: 700;
  color: var(--primary-color);
}

.day-tabs, .tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.day-tab, .tab-button {
  background: #e2e8f0;
  color: var(--dark-text-color);
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
}
.day-tab.active, .tab-button.active { background: var(--primary-color); color: #fff; }

/* ===== TABLE ===== */
.table-container { overflow-x: auto; }

/* ===== Tabel ala Excel untuk Manajemen Jadwal ===== */
.excel-table { border-collapse: collapse; width: 100%; font-size: .85rem; }
.excel-table th {
  background: #3B82F6; color: #fff; padding: 8px 10px; text-align: left;
  border: 1px solid #2563EB; position: sticky; top: 0; z-index: 1; white-space: nowrap;
}
.excel-table td {
  border: 1px solid #d1d5db; padding: 4px 6px; background: #fff; vertical-align: middle;
}
.excel-table tbody tr:hover td { background: #eff6ff; }
.excel-table select, .excel-table input[type="number"], .excel-table input[type="time"] {
  width: 100%; padding: 4px 6px; border: 1px solid #cbd5e1; border-radius: 4px; font-size: .85rem;
}
.excel-table select:focus, .excel-table input:focus { outline: 2px solid #93c5fd; }
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 6px;
}
th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.95rem;
}
th {
  background: #f8fafc;
  font-weight: 600;
  color: var(--dark-text-color);
}
tbody tr {
  background: #fff;
  border-radius: 6px;
  transition: background var(--transition-speed), box-shadow var(--transition-speed);
}
tbody tr:hover { background: #f8fafc; box-shadow: var(--shadow-sm); }
tbody tr:last-child td { border-bottom: none; }

/* ===== PROGRESS BAR ===== */
.progress-bar { background: #e2e8f0; border-radius: 4px; height: 8px; width: 120px; overflow: hidden; }
.progress-bar-fill { background: var(--success-color); height: 100%; border-radius: 4px; }
.bar { background: #e2e8f0; border-radius: 4px; height: 14px; flex: 1; overflow: hidden; }
.bar div { background: var(--primary-color); height: 100%; }
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-row span { min-width: 140px; font-size: 0.9rem; }

/* ===== LOADING ===== */
.loading { text-align: center; padding: 60px 20px; color: var(--secondary-text-color); }
.loading::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid #cbd5e1;
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 12px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== TOASTS ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--dark-text-color);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s, transform 0.3s;
  max-width: 320px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger-color); }
.toast.success { background: var(--success-color); }

/* ===== HAMBURGER MENU (Mobile) ===== */
.hamburger-menu {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  z-index: 200;
  background: var(--sidebar-bg);
  border: none;
  font-size: 1.2rem;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
}

/* ===== LOGIN PAGE ===== */
body.login-mode {
  background: #0f172a;
}
body.login-mode #app { min-height: 100vh; }
body.login-mode #main { margin-left: 0; padding: 0; }
body.login-mode #sidebar {
  display: none;
}

.login-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 24px;
  overflow: hidden;
  background: radial-gradient(circle at 15% 20%, rgba(96,165,250,.38), transparent 34%), radial-gradient(circle at 85% 80%, rgba(129,140,248,.32), transparent 35%), linear-gradient(135deg, #0f172a 0%, #172554 52%, #312e81 100%);
}
.login-container::before, .login-container::after {
  content: ''; position: absolute; border-radius: 999px; filter: blur(25px); opacity: .3; pointer-events: none;
}
.login-container::before { width: 300px; height: 300px; top: -120px; right: -80px; background: #60a5fa; }
.login-container::after { width: 240px; height: 240px; bottom: -120px; left: -80px; background: #818cf8; }

.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  text-align: center;
  padding: 48px 38px 32px;
  color: #172554;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 20px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 24px 60px rgba(2,6,23,.36);
  backdrop-filter: blur(16px);
}
.login-card .logo {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  margin: -78px auto 17px;
  font-size: 2.25rem;
  border: 5px solid rgba(255,255,255,.9);
  border-radius: 22px;
  background: linear-gradient(135deg, #2563eb, #4f46e5);
  box-shadow: 0 12px 26px rgba(37,99,235,.38);
}
.login-brand {
  font-size: 1.8rem;
  line-height: 1.2;
  font-weight: 800;
  color: #172554;
  margin-bottom: 9px;
  letter-spacing: -.02em;
}
.login-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  margin-bottom: 12px;
  border-radius: 50%; /* Membuat logo jadi lingkaran */
  border: 2px solid #e2e8f0; /* Outline tipis */
  padding: 2px; /* Jarak antara logo dan outline */
}
.login-tagline {
  font-size: 1rem;
  color: #64748b;
  margin: 0 0 26px;
}
.login-card .form-group { text-align: left; margin-bottom: 16px; }
.login-card input {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #f8fafc;
  outline: none;
  transition: border .2s, box-shadow .2s, background .2s;
  font-size: 1rem;
}
.login-card input:focus {
  border-color: #3b82f6;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(59,130,246,.14);
}
.login-card button[type='submit'] {
  box-shadow: 0 9px 18px rgba(37,99,235,.25);
  transition: transform .18s, box-shadow .18s;
  width: 100%;
  padding: 14px;
}
.login-card button[type='submit']:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(37,99,235,.32);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  #sidebar { transform: translateX(-100%); width: 260px; }
  #sidebar.open { transform: translateX(0); }
  #main { margin-left: 0; padding: 15px; padding-top: 60px; }
  .hamburger-menu { display: block; }
  .card-grid { grid-template-columns: 1fr; }
  .login-card { padding: 38px 22px 25px; border-radius: 20px; }
  .login-brand { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .login-container { padding: 18px; }
  .login-card { padding: 32px 18px 20px; }
}