/* card — midday palette + small layout system. Single stylesheet. */

:root {
  --cream: #f5f2e8;
  --paper: #fbf9f0;
  --ink: #1a1814;
  --ink-soft: #5b554a;
  --rule: rgba(26, 24, 20, 0.10);
  --ultra: #2240ff;
  --tomato: #ff4430;

  --font-serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-serif);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button { font-family: inherit; }

input, textarea {
  font-family: inherit;
  color: inherit;
}

/* layout */

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px calc(96px + env(safe-area-inset-bottom));
}
@media (max-width: 600px) {
  .app { padding: 16px 14px calc(48px + env(safe-area-inset-bottom)); }
}

.app-bar {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.app-bar-eyebrow {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-soft);
}
.app-bar-title {
  margin: 0;
  font-weight: 500;
  font-size: 28px;
  letter-spacing: -0.01em;
  flex: 1;
}
@media (max-width: 600px) {
  .app-bar { padding-bottom: 16px; margin-bottom: 24px; }
  .app-bar-title { font-size: 22px; }
}

.section { margin-bottom: 56px; }
@media (max-width: 600px) {
  .section { margin-bottom: 32px; }
}
.section-title {
  font-family: var(--font-serif);
  font-weight: 500; font-size: 18px;
  margin: 0 0 16px;
  color: var(--ink);
}

.empty {
  color: var(--ink-soft);
  font-size: 14px;
  padding: 24px 0;
}

.center-note {
  display: flex; align-items: center; justify-content: center;
  min-height: 60vh;
  color: var(--ink-soft);
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.22em; text-transform: uppercase;
}

/* create form */

.create {
  background: var(--paper);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 1px 0 rgba(26,24,20,0.04), 0 12px 30px -16px rgba(26,24,20,0.16);
}
@media (max-width: 600px) {
  .create { padding: 18px; border-radius: 12px; }
}
.create-grid {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: 32px 40px;
  align-items: start;
}
@media (max-width: 760px) {
  .create-grid { grid-template-columns: 1fr; gap: 24px; }
  /* Preview drops above the fields on phones so the keyboard doesn't
     push it off-screen while you type. */
  .create-preview { order: -1; position: static; align-items: center; width: 100%; }
}

.create-fields {
  display: flex; flex-direction: column; gap: 16px;
}
.field {
  display: flex; flex-direction: column; gap: 6px;
}
.field > span {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.20em; text-transform: uppercase;
  color: var(--ink-soft);
}
.field > span em {
  font-style: normal; opacity: 0.7; letter-spacing: 0.16em;
}
.field input[type="text"],
.field textarea,
.field input[type="file"] {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 10px 12px;
  /* 16px so iOS Safari doesn't auto-zoom on focus. */
  font: 400 16px/1.4 var(--font-serif);
  color: var(--ink);
  width: 100%;
  box-sizing: border-box;
}
.field input[type="text"]:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ultra);
  box-shadow: 0 0 0 3px rgba(34, 64, 255, 0.10);
}
.field-hint {
  font: 400 11px/1.4 var(--font-mono);
  color: var(--ink-soft);
}

.btn-primary {
  align-self: flex-start;
  background: var(--ultra); color: #fff;
  border: 0; border-radius: 999px;
  padding: 11px 22px;
  font: 600 12px/1 var(--font-mono);
  letter-spacing: 0.18em; text-transform: uppercase;
  cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary:disabled { opacity: 0.5; cursor: wait; }

.btn-ghost {
  background: transparent; border: 0;
  color: var(--ink-soft);
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.18em; text-transform: uppercase;
  cursor: pointer;
  padding: 6px 8px;
}
.btn-ghost:hover { color: var(--ink); }

.create-preview {
  display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
  position: sticky;
  top: 24px;
}
.create-preview-eyebrow {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-soft);
}

/* Live preview — flippable card with server-rendered back PNG. */
.live-preview {
  width: 100%;
  max-width: 560px;
  aspect-ratio: 720 / 480;
  perspective: 1600px;
  cursor: pointer;
  user-select: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.live-preview .lp-card {
  width: 100%;
  flex: 1;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}
.live-preview.flipped .lp-card { transform: rotateY(180deg); }
.lp-face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 18px;
  overflow: hidden;
  background: var(--paper);
  box-shadow:
    0 1px 0 rgba(26,24,20,0.04),
    0 2px 4px rgba(26,24,20,0.06),
    0 14px 30px -14px rgba(26,24,20,0.16);
}
.lp-face img { display: block; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.lp-back { transform: rotateY(180deg); }
.lp-back img { object-fit: contain; }
.lp-empty {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft);
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.18em; text-transform: uppercase;
}
.lp-hint {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-soft);
}

/* Stamp art picker — small text chips, current selection in ultramarine. */
.stamp-art-picker {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.stamp-art-opt {
  appearance: none;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 6px 12px;
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft);
  cursor: pointer;
}
.stamp-art-opt.on {
  background: var(--ultra);
  color: #fff;
  border-color: var(--ultra);
}

/* list of sent cards */

.card-list { display: flex; flex-direction: column; gap: 16px; }

.card-row {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 18px;
  align-items: center;
  background: var(--paper);
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 1px 0 rgba(26,24,20,0.04);
}
@media (max-width: 600px) {
  .card-row {
    grid-template-columns: 64px 1fr auto;
    gap: 12px;
    padding: 12px;
  }
}
.card-row-thumb {
  display: block;
  width: 96px; height: 64px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--cream);
}
@media (max-width: 600px) {
  .card-row-thumb { width: 64px; height: 64px; }
}
.card-row-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.card-row-meta {
  display: flex; flex-direction: column; gap: 4px;
  min-width: 0;
}
.card-row-to {
  font: 500 16px/1.2 var(--font-serif);
  color: var(--ink);
}
.card-row-loc {
  font: 400 13px/1.3 var(--font-serif);
  color: var(--ink-soft);
}
.card-row-stats {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-soft);
}
.card-row-share {
  display: flex; gap: 6px; margin-top: 4px;
  align-items: center;
  min-width: 0;
}
.card-row-share input {
  flex: 1;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 6px 10px;
  font: 400 12px/1 var(--font-mono);
  color: var(--ink);
  min-width: 0;
  text-overflow: ellipsis;
}
.btn-copy {
  background: var(--ink); color: #fff;
  border: 0; border-radius: 999px;
  padding: 6px 12px;
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.16em; text-transform: uppercase;
  cursor: pointer;
}
.btn-copy:hover { filter: brightness(1.15); }

.btn-x {
  background: transparent; border: 0;
  color: var(--ink-soft);
  font-size: 22px; line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  align-self: start;
}
.btn-x:hover { color: var(--tomato); }

/* toast */

.toast {
  position: fixed;
  left: 50%; bottom: 24px;
  transform: translateX(-50%);
  background: var(--ink); color: #fff;
  border-radius: 999px;
  padding: 10px 18px;
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.18em; text-transform: uppercase;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,0.3);
}
.toast.err {
  background: var(--tomato);
}