/* ==========================================================================
   STYLE.CSS (Rujukan Utama Stylesheet)
   Sistem Informasi Sekolah - Standar Desain Global
   
   File ini ditulis menggunakan CSS standar murni agar ringan, mudah dibaca, 
   dan dapat langsung diedit di Hostinger tanpa perlu kompilasi Node.js/Vite.
   ========================================================================== */

:root {
  /* Variabel Warna Utama */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-danger-light: #fee2e2;

  --color-success: #10b981;
  --color-success-hover: #059669;
  --color-success-light: #d1fae5;

  --color-warning: #f97316;
  --color-warning-hover: #ea580c;
  --color-warning-light: #ffedd5;

  --color-info: #06b6d4;
  --color-info-hover: #0891b2;
  --color-info-light: #ecfeff;

  --color-dark: #0f172a;
  --color-dark-hover: #1e293b;
  --color-dark-light: #f1f5f9;

  --color-surface: #ffffff;
  --color-background: #f8fafc;
  
  /* Variabel Tipografi */
  --font-sans: "Plus Jakarta Sans", "Inter", "ui-sans-serif", "system-ui", sans-serif;
  --font-heading: "Poppins", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

/* ==========================================================================
   BASE RESETS & DEFAULTS
   ========================================================================== */
body {
  background-color: var(--color-background);
  color: #1e293b; /* slate-800 */
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-dark);
}

/* ==========================================================================
   ALERTS & BANNERS
   ========================================================================== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid transparent;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease-in-out;
}
.alert-success {
  background-color: var(--color-success-light);
  border-color: #a7f3d0; /* emerald-200 */
  color: #065f46; /* emerald-800 */
}
.alert-danger {
  background-color: var(--color-danger-light);
  border-color: #fecaca; /* red-200 */
  color: #991b1b; /* red-800 */
}
.alert-warning {
  background-color: var(--color-warning-light);
  border-color: #fed7aa; /* orange-200 */
  color: #9a3412; /* orange-800 */
}
.alert-info {
  background-color: var(--color-info-light);
  border-color: #cffafe; /* cyan-200 */
  color: #155e75; /* cyan-800 */
}

/* ==========================================================================
   BUTTONS (Standardized Styles)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  border-radius: 0.75rem;
  transition: all 0.15s ease-in-out;
  cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
  text-decoration: none;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-primary {
  background-color: var(--color-dark);
  color: #ffffff;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.btn-primary:hover {
  background-color: var(--color-dark-hover);
}
.btn-secondary {
  background-color: #f1f5f9; /* slate-100 */
  color: #334155; /* slate-700 */
  border-color: #e2e8f0; /* slate-200 */
}
.btn-secondary:hover {
  background-color: #e2e8f0; /* slate-200 */
}
.btn-success {
  background-color: var(--color-success);
  color: #ffffff;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.btn-success:hover {
  background-color: var(--color-success-hover);
}
.btn-danger {
  background-color: var(--color-danger);
  color: #ffffff;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.btn-danger:hover {
  background-color: var(--color-danger-hover);
}
.btn-warning {
  background-color: var(--color-warning);
  color: #ffffff;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.btn-warning:hover {
  background-color: var(--color-warning-hover);
}
.btn-info {
  background-color: var(--color-info);
  color: #ffffff;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.btn-info:hover {
  background-color: var(--color-info-hover);
}

/* ==========================================================================
   FORM INPUTS & SELECTS
   ========================================================================== */
.form-input-custom {
  width: 100%;
  border: 1px solid #cbd5e1; /* slate-300 */
  border-radius: 0.75rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  background-color: #ffffff;
  color: #0f172a; /* slate-900 */
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: all 0.15s ease-in-out;
  outline: none;
}
.form-input-custom:focus {
  border-color: var(--color-dark);
  box-shadow: 0 0 0 1px var(--color-dark);
}
.form-label-custom {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #475569; /* slate-600 */
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   TABLES (Modern & Consistent Padding)
   ========================================================================== */
.table-custom-container {
  overflow-x: auto;
  border-radius: 1rem;
  border: 1px solid #e2e8f0; /* slate-200 */
  background-color: #ffffff;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  margin-bottom: 1.5rem;
}
.table-custom {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}
.table-custom thead tr {
  background-color: #f8fafc; /* slate-50 */
  border-bottom: 2px solid #e2e8f0; /* slate-200 */
}
.table-custom th {
  padding: 1.125rem 1.5rem;
  color: #475569; /* slate-600 */
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.table-custom td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #f1f5f9; /* slate-100 */
  color: #334155; /* slate-700 */
  vertical-align: middle;
}
.table-custom tbody tr {
  transition: background-color 0.15s ease-in-out;
}
.table-custom tbody tr:hover {
  background-color: rgba(248, 250, 252, 0.4);
}

/* ==========================================================================
   MODAL CONFIRMATION DIALOGS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.4); /* slate-900/40 */
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-confirm {
  background-color: #ffffff;
  border-radius: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border: 1px solid #f1f5f9;
  max-width: 28rem; /* max-w-md */
  width: 100%;
  overflow: hidden;
  transform: scale(1);
  transition: all 0.3s ease-in-out;
}
.modal-confirm-header {
  padding: 1.5rem 1.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.modal-confirm-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}
.modal-confirm-body {
  padding: 1rem 1.5rem;
  text-align: center;
  color: #475569; /* slate-600 */
  line-height: 1.625;
  font-size: 0.875rem;
}
.modal-confirm-footer {
  padding: 0.75rem 1.5rem 1.5rem;
  background-color: rgba(248, 250, 252, 0.5);
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  border-top: 1px solid #f1f5f9;
}

/* ==========================================================================
   TOASTS & NOTIFICATIONS
   ========================================================================== */
.toast-container, #custom-toast-container {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 24rem;
  width: 100%;
  pointer-events: none;
}
.toast, .custom-toast {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem;
  background-color: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(241, 245, 249, 0.8);
  border-left-width: 4px;
  transition: all 0.3s ease-in-out;
  min-width: 320px;
  max-width: 420px;
  transform: translateX(120%);
  opacity: 0;
}
.toast-show, .custom-toast.toast-show {
  transform: translateX(0);
  opacity: 1;
}
.toast-hide, .custom-toast.toast-hide {
  transform: translateX(120%);
  opacity: 0;
  transform: scale(0.95);
}

/* ==========================================================================
   SPINNER & LOADER OVERLAYS
   ========================================================================== */
#ajax-spinner-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background-color: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out;
}
#ajax-spinner-overlay.spinner-show {
  opacity: 1;
  pointer-events: auto;
}
.spinner-ring {
  width: 3rem;
  height: 3rem;
  border: 4px solid var(--color-primary);
  border-top-color: transparent;
  border-bottom-color: var(--color-primary);
  border-left-color: transparent;
  border-radius: 9999px;
  animation: spin-custom-loader 0.8s linear infinite;
}

/* Scrollbar Custom */
.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background-color: #f8fafc;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background-color: #e2e8f0;
  border-radius: 9999px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background-color: #cbd5e1;
}

/* Animations */
@keyframes spin-custom-loader {
  to { transform: rotate(360deg); }
}
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.animate-slide-in {
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}