.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  line-height: 1.5;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}
.btn-primary {
  background-color: var(--orange-500);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(232, 97, 20, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(232, 97, 20, 0.8);
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--orange-600);
  box-shadow: 0 4px 14px rgba(232, 97, 20, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  border-color: rgba(232, 97, 20, 0.9);
}
.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(232, 97, 20, 0.2);
}
.btn-secondary {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--gray-300);
  color: var(--white);
}
.btn-secondary:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--gray-400);
  transform: translateY(-2px);
}
.btn-ghost {
  background-color: transparent;
  color: var(--gray-400);
  padding: 8px;
}
.btn-ghost:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--white);
}
.btn-danger {
  background-color: var(--red-500);
  color: var(--white);
}
.btn-danger:hover:not(:disabled) {
  background-color: #BE123C; /* darker rose */
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
}
.btn-excel {
  background-color: rgba(16, 185, 129, 0.1);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}
.btn-excel:hover:not(:disabled) {
  background-color: #059669; 
  color: var(--white);
  border-color: #10b981;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.2), 0 0 15px rgba(16, 185, 129, 0.4);
  letter-spacing: 0.03em;
}
.btn-lg {
  padding: 12px 28px;
  font-size: var(--text-base);
}
.btn-sm {
  padding: 6px 14px;
  font-size: var(--text-xs);
}
.btn .spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.form-group {
  margin-bottom: var(--space-5);
}
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}
.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--navy-500);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  background-color: var(--navy-800);
  color: var(--white);
  transition: all var(--transition-fast);
}
.form-input:focus {
  border-color: var(--orange-500);
  box-shadow: 0 0 0 1px var(--orange-500), var(--glow-orange);
  outline: none;
}
.form-input::placeholder {
  color: var(--gray-500);
}
.form-input.error {
  border-color: var(--red-500);
  box-shadow: 0 0 0 1px var(--red-500);
}
.form-input.valid {
  border-color: var(--green-500);
}
.form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--navy-500);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  background-color: var(--navy-800);
  color: var(--white);
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23CBD5E1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}
.form-select:focus {
  border-color: var(--orange-500);
  box-shadow: var(--glow-orange);
  outline: none;
}
.form-error {
  font-size: var(--text-xs);
  color: var(--red-500);
  margin-top: var(--space-1);
  display: none;
}
.form-group.has-error .form-error {
  display: block;
}
.form-hint {
  font-size: var(--text-xs);
  color: var(--gray-400);
  margin-top: var(--space-1);
}

.card {
  background-color: var(--navy-700);
  border: 1px solid var(--navy-500);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.card:hover {
  box-shadow: var(--shadow-tech);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}
.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--white);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}
.badge-success {
  background-color: var(--green-100);
  color: var(--green-500);
}
.badge-warning {
  background-color: var(--orange-100);
  color: var(--orange-500);
}
.badge-info {
  background-color: var(--blue-100);
  color: var(--navy-500);
}

.table-container {
  overflow-x: auto;
  background-color: var(--navy-700);
  border-radius: var(--radius-lg);
  border: 1px solid var(--navy-500);
}
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th {
  background-color: rgba(0, 0, 0, 0.2);
  padding: 16px;
  text-align: left;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--navy-500);
}
.table td {
  padding: 16px;
  font-size: var(--text-sm);
  color: var(--gray-700);
  border-bottom: 1px solid var(--navy-500);
  transition: background-color var(--transition-fast);
}
.table tbody tr {
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
  border-left: 2px solid transparent;
}
.table tbody tr:hover {
  background-color: rgba(232, 97, 20, 0.03);
  border-left: 2px solid var(--orange-500);
  box-shadow: inset 0 0 20px rgba(232, 97, 20, 0.02);
}
.table tbody tr:hover td {
  color: var(--white);
}
.table tbody tr:last-child td {
  border-bottom: none;
}
.table-row-animate {
  animation: slideUpRow 400ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
  transform: translateY(10px);
}
@keyframes slideUpRow {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .table-container {
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0;
  }
  .table thead {
    display: none;
  }
  .table tbody tr {
    display: block;
    background-color: var(--navy-700);
    border: 1px solid var(--navy-500);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
  }
  .table tbody tr td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--navy-500);
    padding: var(--space-2) 0;
  }
  .table tbody tr td:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-top: var(--space-2);
  }
  .table tbody tr td::before {
    content: attr(data-label);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--gray-400);
    text-transform: uppercase;
  }
}

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  animation: slideInRight 250ms cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 320px;
  max-width: 420px;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--gray-200);
}
@media (max-width: 768px) {
  .toast-container {
    top: 10px;
    left: 10px;
    right: 10px;
  }
  .toast {
    min-width: 0;
    width: 100%;
    animation: slideInDown 250ms cubic-bezier(0.16, 1, 0.3, 1);
  }
  .toast.removing {
    animation: slideOutUp 200ms cubic-bezier(0.16, 1, 0.3, 1);
  }
}
.toast.removing {
  animation: slideOutRight 200ms cubic-bezier(0.16, 1, 0.3, 1);
}
.toast-success {
  border-left: 4px solid var(--green-500);
  color: var(--white);
}
.toast-error {
  border-left: 4px solid var(--red-500);
  color: var(--white);
}
.toast-info {
  border-left: 4px solid var(--orange-500);
  color: var(--white);
}
.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}
.toast-close {
  margin-left: auto;
  background-color: transparent;
  color: var(--gray-500);
  padding: 8px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.toast-close:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 300ms;
  backdrop-filter: blur(8px);
}
.modal {
  background-color: var(--navy-800);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-tech), var(--glow-orange);
  padding: var(--space-8);
  max-width: 440px;
  width: 90%;
  animation: scaleIn 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}
.modal-body {
  font-size: var(--text-sm);
  color: var(--gray-400);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}
@media (max-width: 768px) {
  .modal-actions {
    flex-direction: column-reverse;
  }
  .modal-actions .btn {
    width: 100%;
  }
}

.tooltip {
  position: relative;
}
.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--navy-500);
  border: 1px solid var(--gray-200);
  color: var(--white);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.tooltip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}
.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  color: var(--gray-500);
  opacity: 0.5;
  filter: drop-shadow(var(--glow-orange));
}
.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-2);
}
.empty-state-text {
  font-size: var(--text-sm);
  color: var(--gray-400);
  margin-bottom: var(--space-6);
}

@keyframes slideInDown { from { transform: translateY(-100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes slideOutUp { from { transform: translateY(0); opacity: 1; } to { transform: translateY(-100%); opacity: 0; } }

/* Custom Select */
.custom-select { position: relative; width: 100%; user-select: none; }
.custom-select-trigger { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; background-color: var(--navy-800); border: 1px solid var(--navy-500); border-radius: var(--radius-md); font-size: 0.9rem; color: var(--gray-200); cursor: pointer; transition: all var(--transition-fast); }
.custom-select-trigger:hover { border-color: var(--orange-500); }
.custom-select-trigger.open { border-color: var(--orange-500); box-shadow: 0 0 0 1px var(--orange-500), var(--glow-orange); }
.custom-select-dropdown { position: absolute; top: calc(100% + 4px); left: 0; right: 0; background-color: var(--navy-700); border: 1px solid var(--navy-500); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); z-index: 100; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1); overflow: hidden; }
.custom-select-trigger.open + .custom-select-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.custom-select-search { padding: 8px 12px; border-bottom: 1px solid var(--navy-500); display: flex; align-items: center; gap: 8px; background: rgba(0,0,0,0.15); }
.custom-select-search input { flex: 1; background: transparent; border: none; color: var(--white); font-size: 0.9rem; outline: none; }
.custom-select-search input::placeholder { color: var(--gray-500); }
.custom-select-options { max-height: 220px; overflow-y: auto; padding: 4px 0; margin: 0; list-style: none; }
.custom-select-options li { padding: 10px 16px; font-size: 0.9rem; color: var(--gray-300); cursor: pointer; transition: background 0.1s; display: flex; align-items: center; gap: 8px; margin: 0; }
.custom-select-options li:hover { background-color: rgba(232, 97, 20, 0.1); color: var(--white); }
.custom-select-options li.selected { color: var(--orange-400); font-weight: 500; background-color: rgba(232, 97, 20, 0.05); border-left: 2px solid var(--orange-500); }
.custom-select-options::-webkit-scrollbar { width: 6px; }
.custom-select-options::-webkit-scrollbar-thumb { background: var(--navy-500); border-radius: 4px; }