/* ==========================================================
   Sake Sommelier — Design System
   Deep navy · Warm off-white · Accent purple #7F77DD · Gold
   ========================================================== */

:root {
  --bg:          #0d1229;
  --surface:     #131a38;
  --surface-2:   #1a2248;
  --border:      rgba(127, 119, 221, 0.16);
  --border-dim:  rgba(255, 255, 255, 0.07);
  --purple:      #7F77DD;
  --purple-lt:   #a39ef0;
  --purple-glow: rgba(127, 119, 221, 0.28);
  --gold:        #c9a96e;
  --gold-lt:     #e2c48a;
  --text:        #f0ebe0;
  --text-dim:    #c0b8a8;
  --text-muted:  #7a7390;
  --green:       #4ecdc4;
  --red-soft:    #ff9f9f;
  --r:           16px;
  --r-sm:        10px;
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --font:        'Inter', -apple-system, sans-serif;
  --font-jp:     'Noto Sans JP', serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---------- Screens ---------- */
.screen {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  padding-bottom: 40px;
}
.screen.active {
  display: flex;
  animation: fadeUp 0.4s var(--ease) both;
}
.loading-screen.active {
  align-items: center;
  justify-content: center;
  padding: 0;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   INPUT SCREEN
   ============================================================ */

/* Header */
.app-header {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  justify-content: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-kanji {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(201,169,110,.14), rgba(127,119,221,.08));
  border: 1px solid rgba(201,169,110,.28);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-jp);
  font-size: 2rem;
  color: var(--gold);
  text-shadow: 0 0 24px rgba(201,169,110,.4);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}

.logo-tagline {
  font-size: .72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
}

/* Hero */
.hero {
  padding: 30px 24px 6px;
  text-align: center;
}

.hero-text {
  font-size: .95rem;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 320px;
  margin: 0 auto;
}

/* Input cards */
.input-section {
  padding: 24px 18px 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.file-input {
  position: absolute;
  width: 0; height: 0;
  opacity: 0; pointer-events: none;
}

.input-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color .25s var(--ease), transform .2s var(--ease), box-shadow .25s var(--ease);
  position: relative;
  overflow: hidden;
}

.input-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(127,119,221,.07), transparent);
  opacity: 0;
  transition: opacity .25s;
}

.input-card:hover::after { opacity: 1; }

.input-card:hover {
  border-color: var(--purple);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--purple-glow);
}

.input-card:active { transform: translateY(0); }

.primary-card {
  background: linear-gradient(135deg, rgba(127,119,221,.13), rgba(127,119,221,.04));
  border-color: rgba(127,119,221,.38);
}

.primary-card:hover {
  border-color: var(--purple-lt);
  box-shadow: 0 12px 36px rgba(127,119,221,.35);
}

.input-card-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 30px 14px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  width: 100%;
}

.primary-card .input-card-label { padding: 38px 14px; }

.card-icon   { font-size: 2rem; line-height: 1; }
.primary-card .card-icon { font-size: 2.4rem; }
.card-title  { font-size: .92rem; font-weight: 600; color: var(--text); }
.card-subtitle { font-size: .73rem; color: var(--text-muted); }

/* Text search */
.text-search-panel {
  padding: 0 18px 4px;
}

.text-search-panel.hidden { display: none; }

.text-search-panel:not(.hidden) {
  animation: slideDown .28s var(--ease) both;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.search-wrapper {
  display: flex;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 6px 6px 6px 16px;
  transition: border-color .2s, box-shadow .2s;
}

.search-wrapper:focus-within {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px var(--purple-glow);
}

.sake-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font), var(--font-jp);
  font-size: .93rem;
  padding: 8px 0;
}

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

.search-btn {
  background: var(--purple);
  border: none;
  border-radius: var(--r-sm);
  color: #fff;
  font-weight: 600;
  font-size: .84rem;
  padding: 10px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background .2s, transform .15s;
  white-space: nowrap;
}

.search-btn:hover { background: var(--purple-lt); transform: translateY(-1px); }
.search-btn:active { transform: translateY(0); }

/* Image preview */
.preview-box {
  padding: 0 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.preview-box.hidden { display: none; }

.preview-box:not(.hidden) {
  animation: slideDown .3s var(--ease) both;
}

.preview-img {
  width: 100%;
  max-width: 290px;
  max-height: 340px;
  object-fit: contain;
  border-radius: var(--r);
  border: 1px solid var(--border-dim);
  box-shadow: 0 10px 40px rgba(0,0,0,.45);
}

.analyse-btn {
  width: 100%;
  max-width: 290px;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--purple), var(--purple-lt));
  border: none;
  border-radius: var(--r);
  color: #fff;
  font-size: .97rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(127,119,221,.42);
  transition: transform .2s, box-shadow .2s;
  letter-spacing: .01em;
}

.analyse-btn:hover  { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(127,119,221,.55); }
.analyse-btn:active { transform: translateY(0); }

/* Footer note */
.input-footer {
  margin-top: auto;
  padding: 28px 20px 4px;
  text-align: center;
  font-size: .72rem;
  color: var(--text-muted);
  letter-spacing: .03em;
}

/* ============================================================
   LOADING SCREEN
   ============================================================ */

.loading-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  padding: 40px 28px;
  text-align: center;
}

/* Spinner */
.spinner-wrap {
  position: relative;
  width: 84px; height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner-outer,
.spinner-inner {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
}

.spinner-outer {
  border-top-color: var(--purple);
  border-right-color: rgba(127,119,221,.25);
  animation: spin 1.2s linear infinite;
}

.spinner-inner {
  inset: 8px;
  border-bottom-color: var(--gold);
  border-left-color: rgba(201,169,110,.2);
  animation: spin 2s linear infinite reverse;
}

@keyframes spin { to { transform: rotate(360deg); } }

.spinner-kanji {
  font-family: var(--font-jp);
  font-size: 1.55rem;
  color: var(--gold);
  animation: breathe 2.2s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: .65; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.07); }
}

.loading-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.loading-sub {
  font-size: .88rem;
  color: var(--text-dim);
  margin-top: -10px;
}

.loading-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lstep {
  font-size: .78rem;
  color: var(--text-muted);
  padding: 7px 18px;
  border-radius: 20px;
  border: 1px solid transparent;
  opacity: .45;
  transition: all .4s var(--ease);
}

.lstep.active {
  color: var(--purple-lt);
  border-color: rgba(127,119,221,.3);
  background: rgba(127,119,221,.09);
  opacity: 1;
}

/* ============================================================
   RESULTS SCREEN
   ============================================================ */

.results-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
}

.back-btn {
  background: none;
  border: 1px solid var(--border-dim);
  border-radius: 20px;
  color: var(--text-dim);
  font-size: .84rem;
  padding: 7px 16px;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}

.back-btn:hover { border-color: var(--purple); color: var(--text); }

/* Results body */
#results-body { padding: 0 18px; }

/* Hero name */
.r-hero {
  padding: 28px 0 22px;
  text-align: center;
  border-bottom: 1px solid var(--border-dim);
}

.r-name-jp {
  font-family: var(--font-jp);
  font-size: 2.6rem;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 8px;
  text-shadow: 0 2px 20px rgba(127,119,221,.18);
}

.r-name-romaji {
  font-size: 1rem;
  font-weight: 600;
  color: var(--purple-lt);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 5px;
}

.r-name-en {
  font-size: .84rem;
  color: var(--text-muted);
  font-style: italic;
}

.conf-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 14px;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
}

.conf-high   { background: rgba(78,205,196,.12); color: var(--green); border: 1px solid rgba(78,205,196,.28); }
.conf-medium { background: rgba(201,169,110,.12); color: var(--gold);  border: 1px solid rgba(201,169,110,.28); }
.conf-low    { background: rgba(255,159,159,.1);  color: var(--red-soft); border: 1px solid rgba(255,159,159,.22); }

/* Sections */
.r-section {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-dim);
  animation: fadeUp .5s var(--ease) both;
}
.r-section:last-child { border-bottom: none; }

.sec-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .13em;
  color: var(--gold);
  margin-bottom: 14px;
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 500;
  border: 1px solid;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.chip-grade { background: rgba(127,119,221,.14); border-color: rgba(127,119,221,.38); color: var(--purple-lt); font-weight: 700; }
.chip-info  { background: rgba(255,255,255,.04); border-color: var(--border-dim);     color: var(--text-dim); }
.chip-special { background: rgba(201,169,110,.1); border-color: rgba(201,169,110,.25); color: var(--gold-lt); }

/* Tasting bars */
.bars { display: flex; flex-direction: column; gap: 12px; }

.bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bar-lbl {
  width: 76px;
  flex-shrink: 0;
  text-align: right;
  font-size: .78rem;
  color: var(--text-dim);
}

.bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,.07);
  border-radius: 3px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--purple), var(--purple-lt));
  width: 0;
  transition: width 1.1s cubic-bezier(.22,.68,0,1.2);
  box-shadow: 0 0 8px rgba(127,119,221,.45);
}

.bar-val {
  width: 18px;
  flex-shrink: 0;
  font-size: .78rem;
  font-weight: 700;
  color: var(--purple-lt);
}

/* Overall style quote */
.style-quote {
  margin-top: 14px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(127,119,221,.07), rgba(201,169,110,.04));
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: .87rem;
  color: var(--text-dim);
  line-height: 1.75;
  font-style: italic;
}

/* Descriptor tags */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: .78rem;
  color: var(--text-dim);
  background: rgba(127,119,221,.09);
  border: 1px solid rgba(127,119,221,.2);
  transition: all .2s;
}

.tag:hover { background: rgba(127,119,221,.18); color: var(--text); }

.tag-food {
  background: rgba(201,169,110,.07);
  border-color: rgba(201,169,110,.18);
}

/* Serving grid */
.serving-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.srv-item {
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-sm);
  padding: 14px;
}

.srv-item.full { grid-column: 1 / -1; }
.srv-item.avoid { background: rgba(255,159,159,.04); border-color: rgba(255,159,159,.14); }

.srv-lbl {
  font-size: .68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 5px;
}

.avoid .srv-lbl { color: rgba(255,159,159,.7); }

.srv-val {
  font-size: .88rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.4;
}

.srv-temp {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--purple-lt);
}

/* Brewery card */
.brewery-card {
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--r);
  padding: 18px;
}

.brew-name-jp {
  font-family: var(--font-jp);
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 2px;
}

.brew-name-ro {
  font-size: .83rem;
  color: var(--purple-lt);
  letter-spacing: .04em;
  margin-bottom: 10px;
}

.brew-loc {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.loc-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.brew-desc {
  font-size: .84rem;
  color: var(--text-dim);
  line-height: 1.75;
}

/* Notes */
.notes-box {
  padding: 14px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r-sm);
  font-size: .84rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-style: italic;
}

/* Error */
.error-wrap {
  margin: 40px 0;
  padding: 28px 20px;
  background: rgba(255,99,132,.07);
  border: 1px solid rgba(255,99,132,.18);
  border-radius: var(--r);
  text-align: center;
}

.err-icon  { font-size: 2rem; margin-bottom: 12px; }
.err-title { font-size: 1.05rem; font-weight: 600; color: var(--red-soft); margin-bottom: 8px; }
.err-msg   { font-size: .85rem; color: var(--text-muted); margin-bottom: 22px; line-height: 1.6; }

.err-retry {
  background: rgba(255,99,132,.12);
  border: 1px solid rgba(255,99,132,.26);
  border-radius: var(--r-sm);
  color: var(--red-soft);
  font-size: .86rem;
  font-weight: 600;
  padding: 10px 22px;
  cursor: pointer;
  transition: background .2s;
}

.err-retry:hover { background: rgba(255,99,132,.22); }

/* Bottom area */
.results-bottom {
  padding: 24px 18px 40px;
}

.big-reset-btn {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--r);
  color: var(--text);
  font-size: .97rem;
  font-weight: 600;
  padding: 16px;
  cursor: pointer;
  transition: all .25s var(--ease);
}

.big-reset-btn:hover {
  background: var(--surface-2);
  border-color: var(--purple);
}

/* ---- Utility ---- */
.mt-4 { margin-top: 16px; }

/* ---- Desktop centring ---- */
@media (min-width: 600px) {
  body { background: #07090f; }
  .screen {
    max-width: 480px;
    margin: 0 auto;
    box-shadow: 0 0 80px rgba(0,0,0,.6);
    background: var(--bg);
    min-height: 100vh;
  }
}