/* ============================================
   Components - Buttons, Cards, Forms, etc.
   ============================================ */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: 12px 24px;
  height: 48px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-default);
  white-space: nowrap;
}

.btn .icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: white;
  transform: translateY(-1px);
}

.btn-primary:active {
  background-color: var(--color-primary-active);
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text-tertiary);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

.btn-full {
  width: 100%;
}

/* Cards */
.card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

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

/* Section Title */
.section-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: var(--space-8);
  color: var(--color-primary);
}

.section-title.center {
  text-align: center;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.form-group .required {
  color: var(--color-error);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 44px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text-primary);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-default),
              box-shadow var(--duration-fast) var(--ease-default);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(18, 26, 74, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-group textarea {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--color-text-tertiary);
  pointer-events: none;
}

.select-wrapper select {
  appearance: none;
  padding-right: 40px;
  cursor: pointer;
}

/* Radio Group */
.radio-group {
  display: flex;
  gap: var(--space-6);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: 15px;
  color: var(--color-text-secondary);
}

.radio-label input[type="radio"] {
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--color-primary);
}

/* Phone Input */
.phone-input {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  overflow: hidden;
}

.phone-input:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(18, 26, 74, 0.1);
}

.phone-prefix {
  padding: 12px 16px;
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 500;
  border-right: 1px solid var(--color-border);
  white-space: nowrap;
}

.phone-input input {
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.phone-input input:focus {
  box-shadow: none;
}

.char-count {
  display: block;
  text-align: right;
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-top: var(--space-3);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out),
              visibility var(--duration-normal) var(--ease-out);
}

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

.modal {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: calc(100vh - var(--space-8));
  overflow-y: auto;
  padding: var(--space-6);
  position: relative;
  transform: scale(0.95) translateY(16px);
  transition: transform var(--duration-slow) var(--ease-spring),
              opacity var(--duration-normal) var(--ease-out);
  opacity: 0;
}

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

.modal-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-tertiary);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-default),
              background-color var(--duration-fast) var(--ease-default);
}

.modal-close:hover {
  color: var(--color-text-primary);
  background-color: var(--color-surface);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-header {
  margin-bottom: var(--space-7);
}

.modal-header h3 {
  font-size: 24px;
  margin-bottom: var(--space-3);
}

.modal-header p {
  color: var(--color-text-secondary);
  font-size: 15px;
}

/* Icon */
.icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}