/* ============================================================
   Tam Immobiliare — Component styles
   Class-based, token-driven. Shipped with the design system so
   window.TamImmobiliareDesignSystem_* components render styled
   wherever styles.css is loaded. All classes are `tam-` prefixed.
   ============================================================ */

/* ---------------------------------- Button */
.tam-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.01em;
  line-height: 1;
  border: var(--border-width-strong) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard),
              color var(--dur-fast) var(--ease-standard),
              transform var(--dur-fast) var(--ease-standard);
  -webkit-font-smoothing: antialiased;
}
.tam-btn:hover { text-decoration: none; }
.tam-btn:active { transform: translateY(0.5px); }
.tam-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.tam-btn:disabled, .tam-btn[aria-disabled="true"] {
  opacity: 0.5; cursor: not-allowed; transform: none;
}

/* sizes */
.tam-btn--sm { font-size: var(--text-sm); padding: 7px 14px; }
.tam-btn--md { font-size: var(--text-base); padding: 10px 20px; }
.tam-btn--lg { font-size: var(--text-md); padding: 14px 28px; }
.tam-btn--block { display: flex; width: 100%; }

/* variants */
.tam-btn--primary { background: var(--color-brand); color: var(--color-on-brand); border-color: var(--color-brand); }
.tam-btn--primary:hover { background: var(--color-brand-hover); border-color: var(--color-brand-hover); }
.tam-btn--primary:active { background: var(--color-brand-active); border-color: var(--color-brand-active); }

.tam-btn--secondary { background: transparent; color: var(--color-brand); border-color: var(--border-strong); }
.tam-btn--secondary:hover { border-color: var(--color-brand); background: var(--color-brand-subtle); }

.tam-btn--ghost { background: transparent; color: var(--text-secondary); border-color: transparent; }
.tam-btn--ghost:hover { background: var(--surface-subtle); color: var(--text-primary); }

.tam-btn--accent { background: var(--sand-400); color: var(--neutral-900); border-color: var(--sand-400); }
.tam-btn--accent:hover { background: var(--sand-500); border-color: var(--sand-500); }

.tam-btn--link { background: transparent; border-color: transparent; color: var(--text-brand); padding-left: 0; padding-right: 0; }
.tam-btn--link:hover { color: var(--color-brand-hover); text-decoration: underline; }

.tam-btn__icon { display: inline-flex; flex: none; }
.tam-btn__icon svg { display: block; width: 1.15em; height: 1.15em; stroke-width: 2; }
.tam-btn--icon-only.tam-btn--sm { padding: 7px; }
.tam-btn--icon-only.tam-btn--md { padding: 10px; }
.tam-btn--icon-only.tam-btn--lg { padding: 14px; }

/* ---------------------------------- Badge */
.tam-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.03em;
  line-height: 1;
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.tam-badge--pill { border-radius: var(--radius-pill); }
.tam-badge__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }

.tam-badge--neutral { background: var(--neutral-150); color: var(--neutral-700); }
.tam-badge--brand   { background: var(--teal-50); color: var(--teal-700); }
.tam-badge--energy  { background: var(--energy-100); color: var(--energy-700); }
.tam-badge--sand    { background: var(--sand-100); color: var(--sand-700); }
.tam-badge--warning { background: var(--amber-100); color: var(--amber-700); }
.tam-badge--danger  { background: var(--terracotta-100); color: var(--terracotta-700); }

.tam-badge--solid.tam-badge--brand   { background: var(--teal-700); color: #fff; }
.tam-badge--solid.tam-badge--energy  { background: var(--energy-500); color: #fff; }
.tam-badge--solid.tam-badge--neutral { background: var(--neutral-800); color: #fff; }
.tam-badge--solid.tam-badge--sand    { background: var(--sand-400); color: var(--neutral-900); }

/* ---------------------------------- Tag / Chip (selectable) */
.tam-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-standard);
}
.tam-tag:hover { border-color: var(--border-strong); color: var(--text-primary); }
.tam-tag--active { background: var(--teal-700); border-color: var(--teal-700); color: #fff; }
.tam-tag--static { cursor: default; }

/* ---------------------------------- Energy Class Badge */
.tam-energy {
  display: inline-flex;
  align-items: stretch;
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-family: var(--font-display);
  box-shadow: var(--shadow-xs);
}
.tam-energy__letter {
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: var(--fw-bold);
  padding: 0 12px; min-width: 34px;
}
.tam-energy__label {
  display: flex; flex-direction: column; justify-content: center;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-left: 0;
  padding: 5px 12px;
}
.tam-energy__cap { font-size: var(--text-2xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); font-weight: var(--fw-semibold); }
.tam-energy__cls { font-size: var(--text-md); font-weight: var(--fw-bold); color: var(--text-primary); line-height: 1.1; }
.tam-energy--sm .tam-energy__letter { padding: 0 8px; min-width: 26px; font-size: var(--text-sm); }
.tam-energy--sm .tam-energy__label { padding: 3px 9px; }
.tam-energy--lg .tam-energy__letter { padding: 0 18px; min-width: 48px; font-size: var(--text-2xl); }

/* ---------------------------------- Card */
.tam-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.tam-card--flat { box-shadow: none; }
.tam-card--raised { box-shadow: var(--shadow-md); }
.tam-card--interactive { transition: box-shadow var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard); cursor: pointer; }
.tam-card--interactive:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.tam-card__body { padding: var(--space-5); }
.tam-card__header { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-subtle); }
.tam-card__footer { padding: var(--space-4) var(--space-5); border-top: 1px solid var(--border-subtle); background: var(--surface-page); }

/* ---------------------------------- Section Header */
.tam-section-head { max-width: 62ch; }
.tam-section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.tam-section-head__eyebrow {
  font-family: var(--font-display); font-size: var(--text-xs); font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wider); text-transform: uppercase; color: var(--text-brand);
  margin: 0 0 var(--space-3);
}
.tam-section-head__title {
  font-family: var(--font-display); font-weight: var(--fw-semibold);
  font-size: var(--text-2xl); line-height: var(--leading-tight); letter-spacing: var(--tracking-tight);
  color: var(--text-primary); margin: 0;
}
.tam-section-head__desc { font-size: var(--text-md); line-height: var(--leading-relaxed); color: var(--text-secondary); margin: var(--space-3) 0 0; }

/* ---------------------------------- Stat Block */
.tam-stat { }
.tam-stat__value {
  font-family: var(--font-display); font-weight: var(--fw-bold);
  font-size: var(--text-3xl); line-height: 1; letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}
.tam-stat--brand .tam-stat__value { color: var(--text-brand); }
.tam-stat--energy .tam-stat__value { color: var(--energy-700); }
.tam-stat__label { font-family: var(--font-display); font-size: var(--text-sm); font-weight: var(--fw-medium); color: var(--text-primary); margin-top: var(--space-2); }
.tam-stat__caption { font-size: var(--text-sm); color: var(--text-muted); margin-top: 2px; line-height: var(--leading-snug); }

/* ---------------------------------- Spec List (dotted leaders) */
.tam-spec { display: flex; flex-direction: column; }
.tam-spec__row { display: flex; align-items: baseline; gap: var(--space-3); padding: var(--space-3) 0; border-bottom: 1px solid var(--border-subtle); }
.tam-spec__row:last-child { border-bottom: 0; }
.tam-spec__label { font-size: var(--text-sm); color: var(--text-secondary); flex: none; }
.tam-spec__lead { flex: 1; border-bottom: 1px dotted var(--border-strong); transform: translateY(-3px); }
.tam-spec__value { font-size: var(--text-sm); font-weight: var(--fw-semibold); color: var(--text-primary); text-align: right; font-feature-settings: "tnum" 1; }

/* ---------------------------------- Comparison Table */
.tam-compare { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.tam-compare th, .tam-compare td { text-align: left; padding: var(--space-3) var(--space-4); }
.tam-compare thead th {
  font-family: var(--font-display); font-size: var(--text-xs); font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-muted);
  border-bottom: 1.5px solid var(--border-strong);
}
.tam-compare thead th.tam-compare__hl { color: var(--text-brand); }
.tam-compare tbody td { border-bottom: 1px solid var(--border-subtle); color: var(--text-secondary); }
.tam-compare tbody tr:last-child td { border-bottom: 0; }
.tam-compare__row-label { font-weight: var(--fw-semibold); color: var(--text-primary); }
.tam-compare__hl { background: var(--teal-50); color: var(--text-primary); font-weight: var(--fw-semibold); }
.tam-compare tbody td.tam-compare__hl { border-bottom-color: var(--teal-100); }
.tam-compare--zebra tbody tr:nth-child(even) td:not(.tam-compare__hl) { background: var(--surface-page); }

/* ---------------------------------- Feature Item */
.tam-feature { display: flex; gap: var(--space-4); }
.tam-feature__icon {
  flex: none; width: 44px; height: 44px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  background: var(--teal-50); color: var(--teal-700);
}
.tam-feature__icon svg { width: 22px; height: 22px; stroke-width: 1.75; }
.tam-feature--accent .tam-feature__icon { background: var(--sand-100); color: var(--sand-700); }
.tam-feature__title { font-family: var(--font-display); font-size: var(--text-md); font-weight: var(--fw-semibold); color: var(--text-primary); margin: 0 0 4px; letter-spacing: var(--tracking-tight); }
.tam-feature__text { font-size: var(--text-sm); line-height: var(--leading-normal); color: var(--text-secondary); margin: 0; }

/* ---------------------------------- Property Card */
.tam-property { display: flex; flex-direction: column; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: box-shadow var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard); }
.tam-property--interactive { cursor: pointer; }
.tam-property--interactive:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.tam-property__media { position: relative; aspect-ratio: 4 / 3; background: var(--surface-sunken); overflow: hidden; }
.tam-property__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tam-property__badges { position: absolute; top: var(--space-3); left: var(--space-3); display: flex; gap: var(--space-2); }
.tam-property__fav { position: absolute; top: var(--space-3); right: var(--space-3); width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.92); border: 0; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: var(--shadow-sm); color: var(--text-secondary); }
.tam-property__fav:hover { color: var(--terracotta-500); }
.tam-property__fav svg { width: 17px; height: 17px; }
.tam-property__body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.tam-property__unit { font-family: var(--font-display); font-size: var(--text-xs); font-weight: var(--fw-semibold); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-brand); }
.tam-property__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: var(--fw-semibold); color: var(--text-primary); margin: 2px 0 0; letter-spacing: var(--tracking-tight); }
.tam-property__specs { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }
.tam-property__spec { display: inline-flex; align-items: center; gap: 6px; font-size: var(--text-sm); color: var(--text-secondary); }
.tam-property__spec svg { width: 16px; height: 16px; color: var(--text-muted); stroke-width: 1.75; }
.tam-property__foot { display: flex; align-items: baseline; justify-content: space-between; padding-top: var(--space-3); border-top: 1px solid var(--border-subtle); }
.tam-property__price { font-family: var(--font-display); font-size: var(--text-lg); font-weight: var(--fw-bold); color: var(--text-primary); }
.tam-property__price small { font-size: var(--text-xs); font-weight: var(--fw-medium); color: var(--text-muted); letter-spacing: 0.02em; }

/* ---------------------------------- Form field */
.tam-field { display: flex; flex-direction: column; gap: var(--space-2); }
.tam-field__label { font-family: var(--font-display); font-size: var(--text-sm); font-weight: var(--fw-medium); color: var(--text-primary); }
.tam-field__req { color: var(--terracotta-500); margin-left: 2px; }
.tam-input, .tam-select, .tam-textarea {
  font-family: var(--font-body); font-size: var(--text-base); color: var(--text-primary);
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  width: 100%;
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.tam-input::placeholder, .tam-textarea::placeholder { color: var(--text-muted); }
.tam-input:focus, .tam-select:focus, .tam-textarea:focus { outline: none; border-color: var(--teal-500); box-shadow: var(--shadow-focus); }
.tam-input:disabled, .tam-select:disabled { background: var(--surface-subtle); color: var(--text-muted); cursor: not-allowed; }
.tam-field--error .tam-input, .tam-field--error .tam-select, .tam-field--error .tam-textarea { border-color: var(--terracotta-500); }
.tam-select { appearance: none; 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='%235f605b' 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 12px center; padding-right: 36px; cursor: pointer; }
.tam-field__hint { font-size: var(--text-sm); color: var(--text-muted); }
.tam-field__error { font-size: var(--text-sm); color: var(--terracotta-700); }