/* Modal - Refined Overlay System */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-backdrop);
  padding: var(--spacing-xl);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

/* Modal Container - Elevated Glass Design */
.modal {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl), 0 0 0 1px var(--color-border);
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.92) translateY(20px);
  transition: transform var(--transition-base);
  overflow: hidden;
}

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

.modal__header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-elevated) 100%);
}

.modal__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--font-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.modal__close {
  color: var(--color-text-secondary);
  padding: 0.5rem;
  transition: all var(--transition-base);
  border-radius: var(--radius-lg);
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.modal__close:hover {
  color: var(--color-text);
  background-color: var(--color-bg-tertiary);
  transform: scale(1.1);
}

.modal__body {
  padding: var(--spacing-xl);
  overflow-y: auto;
  flex: 1;
}

.modal__footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  background-color: var(--color-bg-secondary);
}

/* Form Styles - Premium Inputs */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: var(--font-semibold);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9375rem;
  font-weight: var(--font-normal);
  transition: all var(--transition-base);
  font-family: var(--font-sans);
  box-shadow: var(--shadow-xs);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-sm);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle), var(--shadow-md);
  transform: translateY(-1px);
}

.form-textarea {
  min-height: 200px;
  resize: vertical;
  line-height: 1.6;
  font-family: var(--font-mono);
}

.form-help {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-top: 0.5rem;
  font-weight: var(--font-normal);
  line-height: 1.5;
}

.form-error {
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: 0.5rem;
  font-weight: var(--font-medium);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.form-error::before {
  content: '⚠';
  font-size: 1rem;
}

.form-input--error,
.form-textarea--error,
.form-select--error {
  border-color: var(--color-error);
  background-color: rgba(239, 68, 68, 0.04);
}

/* Tag Input - Modern Chip System */
.tag-input-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg);
  transition: all var(--transition-base);
  min-height: 48px;
  box-shadow: var(--shadow-xs);
}

.tag-input-wrapper:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-sm);
}

.tag-input-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle), var(--shadow-md);
  transform: translateY(-1px);
}

.tag-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.625rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  border-radius: var(--radius-xl);
  font-size: 0.8125rem;
  font-weight: var(--font-semibold);
  transition: all var(--transition-spring);
  box-shadow: var(--shadow-xs), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  animation: tagPopIn 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

@keyframes tagPopIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.tag-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.tag-remove {
  color: white;
  padding: 0.1875rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 1rem;
  opacity: 0.8;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tag-remove:hover {
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.25);
  transform: scale(1.2);
}

.tag-input {
  flex: 1;
  min-width: 120px;
  border: none;
  background: transparent;
  padding: 0.1875rem;
  color: var(--color-text);
  outline: none;
  font-size: 0.9375rem;
  font-weight: var(--font-normal);
}

/* Color Picker - Modern Swatch Grid */
.color-picker {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-md);
}

.color-option {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-xl);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-spring);
  position: relative;
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.color-option:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.color-option--selected {
  border-color: var(--color-text);
  box-shadow: 0 0 0 2px var(--color-bg),
              0 0 0 4px var(--color-primary),
              var(--shadow-lg),
              inset 0 0 0 1px rgba(0, 0, 0, 0.08);
  transform: scale(1.1);
}

.color-option--selected::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-bold);
  font-size: 1.25rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  animation: checkmarkPopIn 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

@keyframes checkmarkPopIn {
  from {
    opacity: 0;
    transform: scale(0.3) rotate(-90deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

/* Loading State */
.modal__loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4xl);
  gap: var(--spacing-lg);
}

.modal__loading .spinner {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

.modal__loading-text {
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
  font-size: 1rem;
}

@media (max-width: 768px) {
  .modal {
    max-width: 100%;
    margin: var(--spacing-md);
    border-radius: var(--radius-xl);
  }

  .modal__header {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .modal__body {
    padding: var(--spacing-lg);
  }

  .modal__footer {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .color-picker {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-sm);
  }

  .color-option {
    width: 44px;
    height: 44px;
  }
}