/* ============================================================
   components.css — Buttons, Cards, Forms, Badges, Modals, etc.
   tgport.ru Design System
   ============================================================ */

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-md);
  border: var(--border-w) solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled,
.btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  border-color: var(--color-accent-hover);
  box-shadow: 0 4px 12px var(--color-accent-muted);
}

.btn--secondary {
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}

.btn--secondary:hover {
  background: var(--color-secondary-hover);
  color: #fff;
  border-color: var(--color-secondary-hover);
  box-shadow: 0 4px 12px var(--color-secondary-muted);
}

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

.btn--outline:hover {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-color: var(--color-accent-hover);
}

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

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

.btn--sm {
  padding: 0.375rem 0.875rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: 0.875rem 1.75rem;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn--full {
  width: 100%;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* --- Cards --- */

.card {
  background: var(--card-bg);
  border: var(--border-w) solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--card-shadow);
  transition:
    background var(--transition-theme),
    border-color var(--transition-theme),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.card--hover:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.card--clickable {
  cursor: pointer;
}

.card--flat {
  box-shadow: none;
}

.card--accent {
  border-color: var(--color-accent-muted);
  background:
    linear-gradient(
      135deg,
      var(--color-accent-subtle) 0%,
      transparent 60%
    ),
    var(--card-bg);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.card__header {
  margin-bottom: var(--space-sm);
}

.card__cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin: calc(-1 * var(--space-xl));
  margin-bottom: 0;
  background: var(--color-bg-sunken);
}

.card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__body {
  padding-top: var(--space-lg);
}

.card__meta {
  margin-top: var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.card--icon {
  text-align: center;
}

.card--icon .card__icon {
  margin-inline: auto;
}

.card--status .card__header {
  margin-bottom: var(--space-md);
}

.card--platform {
  text-decoration: none;
  color: inherit;
  display: block;
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base),
    border-color var(--transition-base);
}

.card--platform:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
  border-color: var(--color-accent-muted);
  color: inherit;
}

.card--case {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.card--case:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
  color: inherit;
}

.card--case .card__body {
  padding: var(--space-lg);
}

.card__footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: var(--border-w) solid var(--color-border);
}

/* --- Badges / Status Pills --- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.2em 0.65em;
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge--success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: var(--border-w) solid var(--color-success-border);
}

.badge--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: var(--border-w) solid var(--color-warning-border);
}

.badge--danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: var(--border-w) solid var(--color-danger-border);
}

.badge--info {
  background: var(--color-info-bg);
  color: var(--color-info);
  border: var(--border-w) solid var(--color-info-border);
}

.badge--neutral {
  background: var(--color-neutral-bg);
  color: var(--color-neutral);
  border: var(--border-w) solid var(--color-neutral-border);
}

.badge--accent {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border: var(--border-w) solid var(--color-accent-muted);
}

.badge--secondary {
  background: var(--color-secondary-subtle);
  color: var(--color-secondary);
  border: var(--border-w) solid var(--color-secondary-muted);
}

.badge--muted {
  background: var(--color-neutral-bg);
  color: var(--color-text-secondary);
  border: var(--border-w) solid var(--color-border);
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* --- Forms --- */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: var(--space-xs);
}

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

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--input-bg);
  border: var(--border-w) solid var(--input-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-theme);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

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

.form-input--error,
.form-select--error,
.form-textarea--error {
  border-color: var(--color-danger);
}

.form-input--error:focus,
.form-select--error:focus,
.form-textarea--error:focus {
  box-shadow: 0 0 0 3px rgba(196, 69, 60, 0.15);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-2xs);
}

.form-select {
  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='%235a5a6e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Checkbox / Radio */

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  cursor: pointer;
}

.form-check__input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.form-check__label {
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

/* --- Lead Form --- */

.lead-form-section {
  padding-block: var(--space-3xl);
}

.lead-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group--full {
  grid-column: 1 / -1;
}

.lead-form__footer {
  margin-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  cursor: pointer;
  font-size: var(--text-sm);
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.form-checkbox__mark {
  display: none;
}

.form-checkbox__label {
  color: var(--color-text-secondary);
  user-select: none;
}

.form-checkbox__label a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-message {
  margin-top: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: none;
}

.form-message--success {
  display: block;
  background: var(--color-success-bg);
  color: var(--color-success);
  border: var(--border-w) solid var(--color-success-border);
}

.form-message--error {
  display: block;
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: var(--border-w) solid var(--color-danger-border);
}

/* --- Status Badge Colors --- */

.status-badge--green {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.status-badge--yellow {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.status-badge--orange {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.status-badge--red {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

/* --- Modals --- */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  visibility: hidden;
  opacity: 0;
  transition: visibility var(--transition-base), opacity var(--transition-base);
}

.modal--open { visibility: visible; opacity: 1; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--color-bg-overlay);
}

.modal__content {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-bg-elevated);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-2xl);
  transform: translateY(16px) scale(0.97);
  transition: transform var(--transition-base);
}

.modal--open .modal__content { transform: translateY(0) scale(1); }

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.modal__title { font-size: var(--text-lg); font-weight: 600; }

.modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal__close:hover { background: var(--color-surface-hover); color: var(--color-heading); }

.modal__footer {
  margin-top: var(--space-xl);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* --- Tabs --- */

.tabs {
  border-bottom: var(--border-w) solid var(--color-border);
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tabs__item {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-bottom: -1px;
}
.tabs__item:hover { color: var(--color-heading); }
.tabs__item--active { color: var(--color-accent); border-bottom-color: var(--color-accent); }

.tabs__panel { display: none; padding-top: var(--space-xl); }
.tabs__panel--active { display: block; }

/* --- Alerts / Callouts --- */

.alert {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 3px solid;
  font-size: var(--text-sm);
}
.alert--success { background: var(--color-success-bg); border-left-color: var(--color-success); color: var(--color-success); }
.alert--warning { background: var(--color-warning-bg); border-left-color: var(--color-warning); color: var(--color-warning); }
.alert--danger  { background: var(--color-danger-bg);  border-left-color: var(--color-danger);  color: var(--color-danger); }
.alert--info    { background: var(--color-info-bg);    border-left-color: var(--color-info);    color: var(--color-info); }
.alert svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }

/* --- Breadcrumbs --- */

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  font-size: var(--text-sm);
  padding-block: var(--space-md);
}
.breadcrumbs__item { color: var(--color-text-muted); }
.breadcrumbs__link { color: var(--color-text-secondary); transition: color var(--transition-fast); }
.breadcrumbs__link:hover { color: var(--color-accent); }
.breadcrumbs__sep { color: var(--color-text-muted); user-select: none; }
.breadcrumbs__current { color: var(--color-heading); font-weight: 500; }

/* --- Pagination --- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
}

.pagination__item {
  min-width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.pagination__item:hover { background: var(--color-surface-hover); color: var(--color-heading); }
.pagination__item--active { background: var(--color-accent); color: #fff; }
.pagination__item--active:hover { background: var(--color-accent-hover); color: #fff; }
.pagination__item--disabled { opacity: 0.4; pointer-events: none; }

/* --- Tooltips --- */

.tooltip {
  position: relative;
}

.tooltip__content {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-inverse);
  background: var(--color-heading);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip__content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-heading);
}

.tooltip:hover .tooltip__content {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}