/* Fotodrop – shared design tokens and base styles.
   Every page includes this file first. Page CSS builds on these tokens. */

:root {
  color-scheme: light dark;

  --bg: #faf6f0;
  --bg-elevated: #ffffff;
  --bg-sunken: #f1ebe2;
  --text: #2b2520;
  --text-muted: #6f655c;
  --border: #e4dacd;
  --accent: #9a7b4f;          /* muted gold */
  --accent-strong: #7d6240;
  --accent-contrast: #ffffff;
  --accent-soft: #f1e7d6;
  --success: #4f7a57;
  --success-soft: #e3efe4;
  --danger: #b0473c;
  --danger-soft: #f6e1de;
  --warning: #a8741a;
  --warning-soft: #f7ead2;

  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 1px 2px rgba(43, 37, 32, .06), 0 6px 20px rgba(43, 37, 32, .07);
  --shadow-lg: 0 2px 6px rgba(43, 37, 32, .08), 0 18px 48px rgba(43, 37, 32, .12);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --tap: 48px;                /* minimum touch target */
  --content-width: 560px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171412;
    --bg-elevated: #221e1a;
    --bg-sunken: #12100e;
    --text: #f2ebe2;
    --text-muted: #b2a697;
    --border: #3a332c;
    --accent: #c9a56d;
    --accent-strong: #ddbb84;
    --accent-contrast: #1b1612;
    --accent-soft: #3a2f22;
    --success: #7fb488;
    --success-soft: #1f3324;
    --danger: #e0786c;
    --danger-soft: #3d201c;
    --warning: #e0aa4f;
    --warning-soft: #3a2c14;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .35);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .5), 0 18px 48px rgba(0, 0, 0, .5);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: .005em;
  margin: 0;
}

h1 { font-size: clamp(2rem, 8vw, 2.9rem); }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; }

p { margin: 0; }

a { color: var(--accent-strong); text-underline-offset: 3px; }

.muted { color: var(--text-muted); }

.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4) var(--space-7);
  padding-left: max(var(--space-4), env(safe-area-inset-left));
  padding-right: max(var(--space-4), env(safe-area-inset-right));
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-5);
}

/* Decorative divider: thin line with a small diamond. */
.ornament {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--accent);
  margin: var(--space-4) auto;
  max-width: 220px;
}
.ornament::before, .ornament::after {
  content: "";
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: .5;
}
.ornament > span {
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  border: 1px solid currentColor;
}

/* Buttons. Use on <button>, <a> and <label>. */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--tap);
  padding: 0 var(--space-5);
  border: 1px solid transparent;
  border-radius: 999px;
  font: 600 1rem/1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: background-color .2s var(--ease), transform .1s var(--ease), box-shadow .2s var(--ease);
}
.btn:active { transform: scale(.98); }
.btn:focus-visible, .input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn[disabled], .btn.is-disabled { opacity: .5; pointer-events: none; }

.btn-primary { background: var(--accent); color: var(--accent-contrast); box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-secondary { background: var(--bg-elevated); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-sunken); }
.btn-ghost { background: transparent; color: var(--accent-strong); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-lg { min-height: 60px; font-size: 1.125rem; padding: 0 var(--space-6); }
.btn-block { display: flex; width: 100%; }
.btn-sm { min-height: 36px; padding: 0 var(--space-4); font-size: .9rem; }

.input {
  width: 100%;
  min-height: var(--tap);
  padding: 0 var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font: 400 1rem var(--font-body); /* >= 16px prevents iOS zoom on focus */
  font-size: max(16px, 1rem);
}

.label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: var(--space-2); color: var(--text-muted); }

.progress {
  height: 8px;
  border-radius: 999px;
  background: var(--bg-sunken);
  overflow: hidden;
}
.progress > .progress-bar {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: inherit;
  transition: width .3s var(--ease);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }

.notice {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--text);
  font-size: .95rem;
}
.notice-danger { background: var(--danger-soft); }
.notice-success { background: var(--success-soft); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: fd-spin .8s linear infinite;
}
@keyframes fd-spin { to { transform: rotate(360deg); } }

[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}