/* ============================================================
   PHOTOAURA — base.css
   Reset, primitives, buttons, form controls, a11y.
   (Trimmed from Studio Kit for an app rather than a site.)
   ============================================================ */

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

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, canvas { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

h1, h2, h3 { font-family: var(--font-head); font-weight: 700; letter-spacing: -0.015em; line-height: 1.15; text-wrap: balance; }

/* ---- Buttons ------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: var(--tap);
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease, opacity 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #1a1206;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--surface-2); }

.btn-block { display: flex; width: 100%; }

/* ---- Form controls ----------------------------------- */
.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.field input[type="text"],
.field select {
  min-height: var(--tap);
  padding: 0.55rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}
.field input[type="text"]:focus,
.field select:focus { outline: none; border-color: var(--accent); }

/* toggle row */
.toggle {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: var(--tap);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle-track {
  flex-shrink: 0;
  width: 42px; height: 24px;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  border: 1px solid var(--line);
  position: relative;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.toggle-track::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--ink-dim);
  transition: transform 0.15s ease, background 0.15s ease;
}
.toggle input:checked + .toggle-track { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-track::after { transform: translateX(18px); background: #1a1206; }
.toggle input:focus-visible + .toggle-track { outline: 2px solid var(--accent); outline-offset: 2px; }

/* segmented control */
.segmented {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}
.segmented button {
  border: 0;
  background: transparent;
  color: var(--ink-dim);
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 38px;
}
.segmented button[aria-pressed="true"] { background: var(--surface-2); color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}