/**
 * NobleAIWork Components CSS
 * 재사용 가능한 UI 컴포넌트
 * Created: 2025-01-24
 */

/* ========================================
   Import Variables
   ======================================== */
@import url('./variables.css');

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  font-family: var(--font-primary);
  line-height: 1.5;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 2px solid transparent;
  border-radius: var(--btn-border-radius);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(94, 158, 214, 0.25);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Button Variants */
.btn-primary {
  background: var(--noble-navy);
  border-color: var(--noble-navy);
  color: var(--noble-white);
}

.btn-primary:hover:not(:disabled) {
  background: var(--noble-navy-dark);
  border-color: var(--noble-navy-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: var(--ai-blue);
  border-color: var(--ai-blue);
  color: var(--noble-white);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--ai-blue-dark);
  border-color: var(--ai-blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-gold {
  background: var(--noble-gold);
  border-color: var(--noble-gold);
  color: var(--noble-navy);
}

.btn-gold:hover:not(:disabled) {
  background: var(--noble-gold-dark);
  border-color: var(--noble-gold-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border-color: var(--noble-navy);
  color: var(--noble-navy);
}

.btn-outline:hover:not(:disabled) {
  background: var(--noble-navy);
  color: var(--noble-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--noble-navy);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--noble-light-gray);
  transform: translateY(-2px);
}

/* Button Sizes */
.btn-sm {
  padding: calc(var(--btn-padding-y) * 0.75) calc(var(--btn-padding-x) * 0.75);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: calc(var(--btn-padding-y) * 1.25) calc(var(--btn-padding-x) * 1.25);
  font-size: var(--font-size-lg);
}

.btn-xl {
  padding: calc(var(--btn-padding-y) * 1.5) calc(var(--btn-padding-x) * 1.5);
  font-size: var(--font-size-xl);
}

/* Button Block */
.btn-block {
  display: flex;
  width: 100%;
}

/* Button Group */
.btn-group {
  display: inline-flex;
  position: relative;
}

.btn-group > .btn {
  position: relative;
  flex: 0 1 auto;
}

.btn-group > .btn:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: -2px;
}

.btn-group > .btn:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

/* ========================================
   Cards
   ======================================== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  margin: calc(var(--card-padding) * -1);
  margin-bottom: var(--card-padding);
  padding: var(--card-padding);
  background: var(--noble-light-gray);
  border-bottom: 1px solid var(--card-border);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--noble-navy);
  margin-bottom: var(--spacing-sm);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--noble-gray-600);
  margin-bottom: var(--spacing-md);
}

.card-body {
  color: var(--noble-gray-700);
  line-height: var(--line-height-relaxed);
}

.card-footer {
  margin: calc(var(--card-padding) * -1);
  margin-top: var(--card-padding);
  padding: var(--card-padding);
  background: var(--noble-light-gray);
  border-top: 1px solid var(--card-border);
}

/* Card Variants */
.card-featured {
  border-color: var(--noble-gold);
  position: relative;
}

.card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--noble-gold) 0%, var(--noble-gold-light) 100%);
}

.card-dark {
  background: var(--noble-navy);
  border-color: var(--noble-navy);
  color: var(--noble-white);
}

.card-dark .card-title {
  color: var(--noble-white);
}

.card-dark .card-subtitle {
  color: var(--noble-gray-300);
}

.card-dark .card-body {
  color: var(--noble-gray-200);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--noble-gray-700);
  margin-bottom: var(--spacing-xs);
}

.form-label.required::after {
  content: ' *';
  color: var(--color-danger);
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  line-height: 1.5;
  color: var(--noble-gray-800);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--input-radius);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px rgba(94, 158, 214, 0.15);
}

.form-control:disabled {
  background: var(--noble-light-gray);
  opacity: 0.65;
  cursor: not-allowed;
}

.form-control::placeholder {
  color: var(--noble-gray-400);
}

/* Textarea */
textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Select */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4L6 8L10 4' stroke='%23808080' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--input-padding-x) center;
  padding-right: calc(var(--input-padding-x) * 2.5);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.form-check-input {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  margin-right: var(--spacing-sm);
  background: var(--noble-white);
  border: 2px solid var(--input-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.form-check-input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check-input:checked {
  background: var(--ai-blue);
  border-color: var(--ai-blue);
}

.form-check-input:checked::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 6L5 9L10 3' stroke='white' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-input[type="radio"]:checked::after {
  background-image: none;
  background: var(--noble-white);
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  margin: 4px;
}

.form-check-label {
  font-size: var(--font-size-base);
  color: var(--noble-gray-700);
  cursor: pointer;
}

/* Form Help Text */
.form-help {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--noble-gray-500);
  margin-top: var(--spacing-xs);
}

/* Form Validation */
.form-control.is-invalid {
  border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
}

.form-control.is-valid {
  border-color: var(--color-success);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.15);
}

.invalid-feedback {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--spacing-xs);
}

.valid-feedback {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-success);
  margin-top: var(--spacing-xs);
}

/* Input Group */
.input-group {
  display: flex;
  width: 100%;
}

.input-group-prepend,
.input-group-append {
  display: flex;
  align-items: center;
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--noble-gray-600);
  background: var(--noble-light-gray);
  border: 1px solid var(--input-border);
}

.input-group-prepend {
  border-right: none;
  border-radius: var(--input-radius) 0 0 var(--input-radius);
}

.input-group-append {
  border-left: none;
  border-radius: 0 var(--input-radius) var(--input-radius) 0;
}

.input-group .form-control {
  flex: 1;
  border-radius: 0;
}

.input-group .form-control:first-child {
  border-radius: var(--input-radius) 0 0 var(--input-radius);
}

.input-group .form-control:last-child {
  border-radius: 0 var(--input-radius) var(--input-radius) 0;
}

/* ========================================
   Badges
   ======================================== */
.badge {
  display: inline-block;
  padding: 0.25em 0.5em;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: var(--radius-sm);
}

.badge-primary {
  background: var(--noble-navy);
  color: var(--noble-white);
}

.badge-secondary {
  background: var(--ai-blue);
  color: var(--noble-white);
}

.badge-gold {
  background: var(--noble-gold);
  color: var(--noble-navy);
}

.badge-success {
  background: var(--color-success);
  color: var(--noble-white);
}

.badge-warning {
  background: var(--color-warning);
  color: var(--noble-dark);
}

.badge-danger {
  background: var(--color-danger);
  color: var(--noble-white);
}

.badge-info {
  background: var(--color-info);
  color: var(--noble-white);
}

/* ========================================
   Alerts
   ======================================== */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  position: relative;
}

.alert-dismissible {
  padding-right: calc(var(--spacing-lg) * 2);
}

.alert-dismiss {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: transparent;
  border: none;
  font-size: var(--font-size-lg);
  line-height: 1;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.alert-dismiss:hover {
  opacity: 1;
}

.alert-primary {
  background: rgba(30, 58, 95, 0.1);
  border-color: var(--noble-navy);
  color: var(--noble-navy);
}

.alert-success {
  background: var(--color-success-light);
  border-color: var(--color-success);
  color: #155724;
}

.alert-warning {
  background: var(--color-warning-light);
  border-color: var(--color-warning);
  color: #856404;
}

.alert-danger {
  background: var(--color-danger-light);
  border-color: var(--color-danger);
  color: #721c24;
}

.alert-info {
  background: var(--color-info-light);
  border-color: var(--color-info);
  color: #0c5460;
}

/* ========================================
   Modals
   ======================================== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  overflow: auto;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal.show {
  display: block;
  opacity: 1;
}

.modal-dialog {
  position: relative;
  width: auto;
  max-width: 600px;
  margin: var(--spacing-3xl) auto;
  transform: translateY(-50px);
  transition: transform var(--transition-base);
}

.modal.show .modal-dialog {
  transform: translateY(0);
}

.modal-content {
  background: var(--noble-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
}

.modal-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--noble-light-gray);
  border-bottom: 1px solid var(--noble-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--noble-navy);
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: var(--font-size-2xl);
  line-height: 1;
  color: var(--noble-gray-500);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--noble-gray-800);
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--noble-light-gray);
  border-top: 1px solid var(--noble-gray-200);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ========================================
   Tables
   ======================================== */
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--noble-white);
}

.table thead {
  background: var(--noble-light-gray);
  border-bottom: 2px solid var(--noble-gray-200);
}

.table th {
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--noble-gray-700);
  text-align: left;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.table td {
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--noble-gray-700);
  border-bottom: 1px solid var(--noble-gray-100);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: var(--noble-light-gray);
}

.table-striped tbody tr:nth-of-type(odd) {
  background: rgba(245, 245, 245, 0.5);
}

.table-bordered {
  border: 1px solid var(--noble-gray-200);
}

.table-bordered th,
.table-bordered td {
  border: 1px solid var(--noble-gray-200);
}

/* ========================================
   Tabs
   ======================================== */
.tabs {
  display: flex;
  flex-direction: column;
}

.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--noble-gray-200);
  list-style: none;
  margin: 0;
  padding: 0;
}

.tab-nav-item {
  position: relative;
}

.tab-nav-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--noble-gray-600);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  position: relative;
}

.tab-nav-link:hover {
  color: var(--noble-navy);
}

.tab-nav-link.active {
  color: var(--noble-navy);
}

.tab-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--noble-gold);
}

.tab-content {
  padding: var(--spacing-xl) 0;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* ========================================
   Progress Bars
   ======================================== */
.progress {
  height: 8px;
  background: var(--noble-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--noble-navy) 0%, var(--ai-blue) 100%);
  transition: width var(--transition-slow) ease;
}

.progress-lg {
  height: 16px;
}

.progress-sm {
  height: 4px;
}

/* ========================================
   Tooltips
   ======================================== */
.tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--noble-gray-800);
  color: var(--noble-white);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  border-radius: var(--radius-sm);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-xs);
  z-index: var(--z-tooltip);
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--noble-gray-800);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.pagination-item {
  display: flex;
}

.pagination-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  color: var(--noble-gray-700);
  text-decoration: none;
  border: 1px solid var(--noble-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.pagination-link:hover {
  background: var(--noble-light-gray);
  border-color: var(--noble-gray-300);
}

.pagination-link.active {
  background: var(--noble-navy);
  border-color: var(--noble-navy);
  color: var(--noble-white);
}

.pagination-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}