:root {
  --color-bg: #0a0e17;
  --color-bg-elevated: #121a2b;
  --color-bg-card: #1a2438;
  --color-border: #2a3a52;
  --color-border-focus: #0ea5e9;
  --color-text: #e2e8f0;
  --color-text-muted: #64748b;
  --color-text-hint: #475569;
  --color-primary: #0ea5e9;
  --color-primary-hover: #38bdf8;
  --color-accent: #6366f1;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

.background-pattern {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(99, 102, 241, 0.1), transparent),
    linear-gradient(180deg, var(--color-bg) 0%, #0d1321 100%);
}

.background-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  position: relative;
  z-index: 1;
}

.header {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeInUp 0.6s ease-out;
}

.logo {
  display: inline-flex;
  margin-bottom: 1.25rem;
}

.logo svg {
  filter: drop-shadow(0 4px 12px rgba(14, 165, 233, 0.3));
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  animation: fadeInUp 0.6s ease-out backwards;
}

.form-group:nth-child(1) { animation-delay: 0.05s; }
.form-group:nth-child(2) { animation-delay: 0.1s; }
.form-group:nth-child(3) { animation-delay: 0.15s; }
.form-group:nth-child(4) { animation-delay: 0.2s; }

label {
  display: block;
  margin-bottom: 0.75rem;
}

.label-text {
  display: block;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.label-hint {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-hint);
}

/* API Key Details/Summary */
.api-key-details {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  animation: fadeInUp 0.6s ease-out 0.05s backwards;
}

.api-key-summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition);
  list-style: none;
}

.api-key-summary::-webkit-details-marker {
  display: none;
}

.api-key-summary:hover {
  color: var(--color-text);
}

.api-key-details[open] .api-key-summary {
  border-bottom: 1px solid var(--color-border);
}

.api-status {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 400;
  padding: 0.25rem 0.5rem;
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
  border-radius: var(--radius-sm);
}

.api-status.custom {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-accent);
}

.api-key-details .form-group {
  padding: 0 1rem 1rem 1rem;
  animation: none;
}

/* Input wrapper for API key */
.input-wrapper {
  position: relative;
}

input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 0.875rem 3rem 0.875rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  transition-property: border-color, box-shadow;
}

input:hover {
  border-color: var(--color-text-muted);
}

input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

input::placeholder {
  color: var(--color-text-hint);
  font-family: var(--font-sans);
}

.toggle-visibility {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.toggle-visibility:hover {
  color: var(--color-text);
}

.select-wrapper {
  position: relative;
}

select {
  width: 100%;
  padding: 0.875rem 3rem 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  appearance: none;
  transition: var(--transition);
  transition-property: border-color, box-shadow;
}

select:hover:not(:disabled) {
  border-color: var(--color-text-muted);
}

select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

select option {
  background: var(--color-bg-card);
  color: var(--color-text);
  padding: 0.5rem;
}

select option:disabled {
  color: var(--color-primary);
  font-weight: 500;
  background: var(--color-bg-elevated);
}

select optgroup {
  font-weight: 600;
  font-style: normal;
  color: var(--color-primary);
  background: var(--color-bg-elevated);
  padding: 0.5rem 0;
}

.select-icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  transition: var(--transition);
}

select:focus + .select-icon {
  color: var(--color-primary);
}

textarea {
  width: 100%;
  padding: 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  resize: vertical;
  min-height: 120px;
  transition: var(--transition);
  transition-property: border-color, box-shadow;
}

textarea:hover {
  border-color: var(--color-text-muted);
}

textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

textarea::placeholder {
  color: var(--color-text-hint);
}

.textarea-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.char-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-hint);
}

/* Button Group */
.btn-group {
  display: flex;
  gap: 0.75rem;
  animation: fadeInUp 0.6s ease-out 0.25s backwards;
}

/* Buttons */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  flex: 1;
  padding: 1rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  transition-property: transform, box-shadow, opacity, background, border-color;
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn .spinner {
  animation: spin 1s linear infinite;
}

/* Primary Button (Analyze) */
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 24px rgba(14, 165, 233, 0.4);
}

/* Secondary Button (Submit) */
.btn-secondary {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.1);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.2);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.selected-info {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: fadeInUp 0.4s ease-out;
}

.info-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.info-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.info-row {
  display: flex;
  gap: 1rem;
}

.info-label {
  flex-shrink: 0;
  width: 110px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.info-value {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
}

.footer {
  margin-top: 3rem;
  text-align: center;
  animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.footer p {
  font-size: 0.8125rem;
  color: var(--color-text-hint);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  transition-property: opacity, visibility;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - 3rem);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(10px);
  transition: var(--transition);
  transition-property: transform;
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.1);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.btn-ghost {
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
}

.btn-ghost:hover:not(:disabled) {
  color: var(--color-text);
  border-color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.05);
}

.btn-confirm {
  color: white;
  background: linear-gradient(135deg, var(--color-success), #059669);
  padding: 0.75rem 1.5rem;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-confirm:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-confirm .spinner {
  animation: spin 1s linear infinite;
}

/* Result Sections */
.result-section {
  margin-bottom: 1.75rem;
}

.result-section:last-child {
  margin-bottom: 0;
}

.result-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.result-title svg {
  color: var(--color-primary);
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.result-header .result-title {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

/* Add Button */
.btn-add {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-add:hover {
  background: rgba(14, 165, 233, 0.2);
  border-color: var(--color-primary);
}

/* Item Actions */
.result-list-item {
  position: relative;
}

.item-actions {
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: var(--transition);
  margin-left: auto;
  flex-shrink: 0;
}

.result-list-item:hover .item-actions {
  opacity: 1;
}

.btn-icon-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon-action:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-icon-action.delete:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border-color: rgba(239, 68, 68, 0.5);
}

/* Edit Form */
.result-list-item.editing {
  background: var(--color-bg-card);
  border-color: var(--color-primary);
  padding: 1rem;
}

.edit-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.edit-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.edit-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.15);
}

.edit-textarea {
  width: 100%;
  min-height: 80px;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  resize: vertical;
  transition: var(--transition);
}

.edit-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.15);
}

.edit-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.btn-edit-cancel {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-edit-cancel:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-edit-save {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: white;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-edit-save:hover {
  background: var(--color-primary-hover);
}

.result-count {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-hint);
  background: var(--color-bg-elevated);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.result-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.result-list-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.result-list-item:hover {
  border-color: var(--color-text-hint);
  background: rgba(26, 36, 56, 0.8);
}

.result-bullet {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50%;
}

.result-list-item.question .result-bullet {
  background: linear-gradient(135deg, var(--color-warning), #f97316);
  font-size: 0.875rem;
}

.result-list-item.suggestion .result-bullet {
  background: linear-gradient(135deg, var(--color-success), #34d399);
}

.result-content {
  flex: 1;
  min-width: 0;
}

.result-item-title {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.result-item-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.purpose-label {
  color: var(--color-warning);
  font-weight: 500;
}

/* Legacy support for result-items */
.result-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.result-item {
  padding: 1rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.result-item:hover {
  border-color: var(--color-text-hint);
}

.result-item.suggestion {
  border-left: 3px solid var(--color-accent);
}

/* Modal Error */
.modal-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
  color: var(--color-error);
}

.modal-error svg {
  margin-bottom: 1rem;
  opacity: 0.8;
}

.modal-error h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.modal-error p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Submit Success */
.submit-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  color: var(--color-success);
}

.submit-success svg {
  margin-bottom: 1.25rem;
  animation: scaleIn 0.4s ease-out;
}

.submit-success h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.submit-success p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.submit-summary {
  width: 100%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: left;
}

.summary-row {
  display: flex;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-label {
  flex-shrink: 0;
  width: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.summary-value {
  font-size: 0.875rem;
  color: var(--color-text);
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  pointer-events: auto;
  animation: toastSlideIn 0.3s ease-out;
}

.toast.toast-exit {
  animation: toastSlideOut 0.3s ease-in forwards;
}

.toast-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.toast.success .toast-icon {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.15);
}

.toast.error .toast-icon {
  color: var(--color-error);
  background: rgba(239, 68, 68, 0.15);
}

.toast.info .toast-icon {
  color: var(--color-primary);
  background: rgba(14, 165, 233, 0.15);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.toast-message {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-text-hint);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.toast-close:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.1);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastSlideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Loading state */
.loading {
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.1), transparent);
  animation: shimmer 1.5s infinite;
}

/* Error state */
.error-message {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: #f87171;
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@media (max-width: 640px) {
  .container {
    padding: 2rem 1rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .info-row {
    flex-direction: column;
    gap: 0.25rem;
  }

  .info-label {
    width: auto;
  }

  .modal {
    max-height: calc(100vh - 2rem);
  }

  .modal-header {
    padding: 1rem;
  }

  .modal-body {
    padding: 1rem;
  }

  .summary-row {
    flex-direction: column;
    gap: 0.25rem;
  }

  .summary-label {
    width: auto;
  }
}