:root {
  --c1: #2563eb;
  --c2: #4f46e5;
  --grad: linear-gradient(135deg, var(--c1), var(--c2));
  --emerald: #10b981;
  --amber: #f59e0b;
  --red: #ef4444;
  --slate: #64748b;
  --purple: #8b5cf6;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #f8fafc;
  color: #1e293b;
  overflow-x: hidden;
}

button, a {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  outline: none;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.hidden {
  display: none !important;
}

/* TOAST */
.toast-box {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 90%;
  max-width: 360px;
}

.toast {
  padding: 12px 20px;
  border-radius: 12px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  animation: slideD 0.3s ease;
  cursor: pointer;
  text-align: center;
}

.toast-ok {
  background: var(--emerald);
}

.toast-err {
  background: var(--red);
}

.toast-info {
  background: var(--c1);
}

@keyframes slideD {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e2e8f0;
  border-top-color: var(--c1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}

/* FORMS */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  font-size: 14px;
  transition: border 0.2s;
}

.form-input:focus {
  border-color: var(--c1);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* BUTTONS */
.btn {
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-primary:disabled {
  opacity: 0.5;
}

.btn-outline {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
}

.btn-outline:hover {
  background: #e2e8f0;
}

.btn-full {
  width: 100%;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 12px;
}

.btn-danger {
  background: var(--red);
  color: #fff;
}

.btn-danger:hover {
  filter: brightness(1.1);
}

/* CARDS */
.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid #f1f5f9;
  background: #f8fafc;
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 16px 20px;
  border-top: 1px solid #f1f5f9;
  background: #f8fafc;
  display: flex;
  gap: 12px;
}

/* BADGES */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.badge-admin {
  background: #f3e8ff;
  color: #7c3aed;
}

.badge-emp {
  background: #eff6ff;
  color: var(--c1);
}

/* GRID */
.grid {
  display: grid;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* MODAL */
.modal-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* LOGIN PAGE */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--grad);
}

.login-box {
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* STATS */
.stat-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--c1);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--slate);
  font-weight: 600;
}

/* NAVBAR */
.navbar {
  background: var(--grad);
  color: #fff;
  padding: 16px 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-title {
  font-size: 20px;
  font-weight: 700;
}

.navbar-subtitle {
  font-size: 12px;
  opacity: 0.9;
}

/* SIDEBAR */
.sidebar {
  background: #fff;
  border-right: 1px solid #e2e8f0;
  padding: 16px;
  min-width: 200px;
}

.sidebar-item {
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  color: #334155;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.sidebar-item:hover {
  background: #f1f5f9;
  color: var(--c1);
}

.sidebar-item.active {
  background: var(--grad);
  color: #fff;
}

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}