/* ============================================================
   Kabadiwala Connect — style.css
   Accessibility-first, low-literacy mobile design
   Target: 360px wide, max-width 480px
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Devanagari:wght@400;700&display=swap');

/* ── RESET & BOX MODEL ─────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Colours */
  --bg:           #FFF8E7;
  --text:         #1B1B1B;
  --primary:      #1B5E20;
  --primary-text: #FFFFFF;
  --secondary-bg: #FFFFFF;
  --secondary-bd: #1B5E20;
  --warning-bg:   #FFE8B0;
  --warning-text: #5A3600;
  --error:        #B00020;
  --card-bd:      #D9CFB4;
  --muted-bg:     #F0EAD6;
  --price-color:  #1B5E20;
  --status-created-bg:  #E8F5E9;
  --status-created-txt: #1B5E20;
  --status-offered-bg:  #E3F2FD;
  --status-offered-txt: #0D47A1;
  --status-quoted-bg:   #FFF3E0;
  --status-quoted-txt:  #E65100;
  --status-closed-bg:   #F3E5F5;
  --status-closed-txt:  #4A148C;

  /* Typography */
  --font: 'Noto Sans Devanagari', 'Segoe UI', Arial, sans-serif;
  --base:    20px;
  --btn:     22px;
  --heading: 28px;
  --price:   40px;
  --small:   17px;
  --lh:      1.5;

  /* Spacing */
  --gap:   12px;
  --gap-l: 20px;
  --pad:   16px;
  --radius: 16px;
  --radius-input: 12px;
  --radius-btn: 14px;

  /* Targets */
  --tap: 56px;
}

/* ── BASE ───────────────────────────────────────────────────── */
html {
  font-size: var(--base);
  scroll-behavior: smooth;
}

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

/* ── LAYOUT WRAPPER ─────────────────────────────────────────── */
#app {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow-x: hidden;
}

/* ── TOP BAR ────────────────────────────────────────────────── */
#topbar {
  background: var(--primary);
  color: var(--primary-text);
  padding: 12px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  position: sticky;
  top: 0;
  z-index: 100;
}

#topbar .app-name {
  font-size: 20px;
  font-weight: 700;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#lang-toggle {
  background: var(--secondary-bg);
  color: var(--primary);
  border: 2px solid var(--primary-text);
  border-radius: var(--radius-input);
  font-family: var(--font);
  font-size: var(--small);
  font-weight: 700;
  padding: 6px 12px;
  min-height: 44px;
  cursor: pointer;
  white-space: nowrap;
}

#lang-toggle:focus {
  outline: 3px solid #FFD700;
  outline-offset: 2px;
}

/* ── TAB BAR ────────────────────────────────────────────────── */
#tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--secondary-bg);
  border-bottom: 2px solid var(--primary);
}

.tab-btn {
  font-family: var(--font);
  font-size: var(--btn);
  font-weight: 700;
  color: var(--primary);
  background: var(--secondary-bg);
  border: none;
  padding: 14px 8px;
  cursor: pointer;
  border-bottom: 4px solid transparent;
}

.tab-btn[aria-selected="true"] {
  background: var(--primary);
  color: var(--primary-text);
  border-bottom: 4px solid var(--primary);
}

.tab-btn:focus {
  outline: 3px solid #FFD700;
  outline-offset: -3px;
}

/* ── MAIN CONTENT AREA ──────────────────────────────────────── */
#main {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 80px; /* room for fixed bottom action */
}

/* ── SECTIONS (screens) ─────────────────────────────────────── */
section {
  display: none;
  padding: var(--pad);
}

section.active {
  display: block;
}

/* ── STEP INDICATOR ─────────────────────────────────────────── */
.step-line {
  font-size: var(--small);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--gap);
  padding: 6px 10px;
  background: var(--muted-bg);
  border-radius: var(--radius-input);
  display: inline-block;
}

/* ── HEADINGS ───────────────────────────────────────────────── */
h1, h2 {
  font-size: var(--heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--gap);
}

h3 {
  font-size: var(--base);
  font-weight: 700;
  margin-bottom: 8px;
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: block;
  width: 100%;
  font-family: var(--font);
  font-size: var(--btn);
  font-weight: 700;
  line-height: var(--lh);
  border-radius: var(--radius-btn);
  border: none;
  min-height: var(--tap);
  padding: 12px var(--pad);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

.btn:focus {
  outline: 3px solid #FFD700;
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-text);
  border-radius: var(--radius-btn);
}

.btn-secondary {
  background: var(--secondary-bg);
  color: var(--primary);
  border: 3px solid var(--primary);
  border-radius: var(--radius-btn);
}

.btn-danger {
  background: var(--secondary-bg);
  color: var(--error);
  border: 3px solid var(--error);
  border-radius: var(--radius-btn);
}

.btn-sm {
  font-size: var(--small);
  min-height: 44px;
  padding: 8px 14px;
  width: auto;
  display: inline-block;
  border-radius: var(--radius-btn);
}

/* ── BIG PHOTO BUTTON ───────────────────────────────────────── */
.photo-btn-wrap {
  position: relative;
  margin-bottom: var(--gap);
}

.photo-btn-wrap input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  font-size: 0;
}

/* Camera button — solid green (primary) */
.photo-btn-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 80px;
  background: var(--primary);
  color: var(--primary-text);
  font-family: var(--font);
  font-size: 24px;
  font-weight: 700;
  border-radius: var(--radius-btn);
  padding: 14px var(--pad);
  cursor: pointer;
  border: none;
  text-align: center;
  pointer-events: none;
}

/* Gallery button — secondary style: white bg, green border, green text */
.photo-btn-label-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 80px;
  background: var(--secondary-bg);
  color: var(--primary);
  font-family: var(--font);
  font-size: 24px;
  font-weight: 700;
  border-radius: var(--radius-btn);
  padding: 14px var(--pad);
  cursor: pointer;
  border: 3px solid var(--primary);
  text-align: center;
  pointer-events: none;
}

/* ── INPUTS (STRONG ACCESSIBILITY: 2px solid #1B1B1B, border-radius 12px) ── */
.field {
  margin-bottom: var(--gap-l);
}

.field label {
  display: block;
  font-size: var(--base);
  font-weight: 700;
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea,
input[type="text"],
input[type="number"],
select {
  width: 100%;
  font-family: var(--font);
  font-size: var(--base);
  color: var(--text);
  background: var(--secondary-bg);
  border: 2px solid #1B1B1B;
  border-radius: var(--radius-input);
  padding: 12px var(--pad);
  min-height: var(--tap);
  line-height: var(--lh);
}

.field input:focus,
.field select:focus,
.field textarea:focus,
input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.field .hint {
  font-size: var(--small);
  color: #5A4000;
  margin-top: 4px;
  font-weight: 400;
}

.field-error {
  color: var(--error);
  font-size: var(--small);
  font-weight: 700;
  margin-top: 6px;
}

/* ── CARDS (SOFTENED CONTAINERS: 1px #D9CFB4, radius 16px, soft shadow) ── */
.card {
  background: var(--secondary-bg);
  border: 1px solid var(--card-bd);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 16px;
  margin-bottom: 16px;
}

.card-warning {
  background: #FFE8B0 !important;
  border: 1px solid #E0B860 !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
  padding: 16px !important;
  margin-bottom: 16px !important;
  color: #5A3600 !important;
}

.card-warning h3 {
  color: #5A3600;
  font-size: var(--base);
  font-weight: 700;
  margin-bottom: 6px;
}

/* ── STATUS BADGES (pill shape: border-radius 999px) ────────── */
.badge {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 14px;
}

.badge-created  { background: var(--status-created-bg);  color: var(--status-created-txt); }
.badge-offered  { background: var(--status-offered-bg);  color: var(--status-offered-txt); }
.badge-quoted   { background: var(--status-quoted-bg);   color: var(--status-quoted-txt);  }
.badge-closed   { background: var(--status-closed-bg);   color: var(--status-closed-txt);  }
.badge-auth     { background: #E8F5E9; color: #1B5E20; border: 1px solid #1B5E20; border-radius: 999px; }

/* ── PRICE TEXT ─────────────────────────────────────────────── */
.price-big {
  font-size: var(--price);
  font-weight: 700;
  color: var(--price-color);
  line-height: 1.2;
}

.price-range {
  font-size: var(--price);
  font-weight: 700;
  color: var(--price-color);
  line-height: 1.2;
  margin: var(--gap) 0;
}

/* ── LOT LIST ITEM (Home cards: 1px #D9CFB4, radius 16px, soft shadow) ── */
.lot-item {
  background: var(--secondary-bg);
  border: 1px solid var(--card-bd);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 16px;
  margin-bottom: 16px;
  cursor: pointer;
  display: flex;
  gap: var(--gap);
  align-items: flex-start;
  text-align: left;
  width: 100%;
  font-family: var(--font);
}

.lot-item:focus {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.lot-thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--card-bd);
  flex-shrink: 0;
}

.lot-thumb-placeholder {
  width: 72px;
  height: 72px;
  background: var(--muted-bg);
  border-radius: 10px;
  border: 1px solid var(--card-bd);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.lot-meta {
  flex: 1;
  min-width: 0;
}

.lot-cats {
  font-size: var(--small);
  color: var(--text);
  margin: 4px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lot-price {
  font-size: var(--base);
  font-weight: 700;
  color: var(--price-color);
}

.lot-date {
  font-size: 15px;
  color: #444;
  margin-top: 2px;
}

/* ── LOADING STATE ──────────────────────────────────────────── */
.loading-box {
  text-align: center;
  padding: 32px var(--pad);
}

.spinner {
  display: inline-block;
  width: 52px;
  height: 52px;
  border: 6px solid var(--muted-bg);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin-bottom: var(--gap);
}

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

.loading-text {
  font-size: var(--base);
  font-weight: 700;
  color: var(--text);
}

/* ── ERROR STATE ────────────────────────────────────────────── */
.error-box {
  background: #FFEBEE;
  border: 2px solid var(--error);
  border-radius: var(--radius-input);
  padding: var(--pad);
  margin: var(--gap) 0;
  color: var(--error);
  font-weight: 700;
}

.error-box p {
  margin-bottom: var(--gap);
}

/* ── EMPTY STATE ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 32px var(--pad);
  color: #5A4000;
  font-size: var(--base);
}

/* ── DIVIDER ────────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 2px solid var(--muted-bg);
  margin: var(--gap-l) 0;
}

/* ── BOTTOM ACTION BAR ──────────────────────────────────────── */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  background: var(--bg);
  padding: var(--gap) var(--pad);
  border-top: 2px solid var(--muted-bg);
  z-index: 50;
}

/* ── UTILITY ────────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.stack > * + * {
  margin-top: var(--gap);
}

.row {
  display: flex;
  gap: var(--gap);
  align-items: center;
}

.row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--gap);
}

.bold { font-weight: 700; }
.small { font-size: var(--small); }
.mt { margin-top: var(--gap); }
.mb { margin-bottom: var(--gap); }

/* ── SCAN SCREEN ────────────────────────────────────────────── */
.scan-preview {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--card-bd);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  display: block;
  margin-bottom: var(--gap);
  max-height: 300px;
  object-fit: contain;
  background: #000;
}

/* ── REVIEW SCREEN ──────────────────────────────────────────── */
.box-wrapper {
  position: relative;
  width: 100%;
  margin-bottom: var(--gap-l);
  border: 1px solid var(--card-bd);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  overflow: hidden;
  line-height: 0; /* collapse whitespace around img */
}

.box-wrapper img {
  display: block;
  width: 100%;
  height: auto;
}

.det-box {
  position: absolute;
  border-width: 3px;
  border-style: solid;
  box-sizing: border-box;
}

.det-box-num {
  position: absolute;
  top: -1px;
  left: -1px;
  background: #1B1B1B;
  color: #FFF;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  padding: 3px 7px;
  border-radius: 0 0 6px 0;
}

/* Box colours — cycle through these */
.box-c0 { border-color: #D32F2F; }
.box-c1 { border-color: #1565C0; }
.box-c2 { border-color: #F57F17; }
.box-c3 { border-color: #6A1B9A; }
.box-c4 { border-color: #00695C; }
.box-c5 { border-color: #E65100; }
.box-c6 { border-color: #37474F; }
.box-c7 { border-color: #880E4F; }

.item-card {
  background: var(--secondary-bg);
  border: 1px solid var(--card-bd);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 16px;
  margin-bottom: 16px;
}

.item-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--gap);
}

.item-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #1B1B1B;
  color: #FFF;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.weight-row {
  background: var(--secondary-bg);
  border: 1px solid var(--card-bd);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 16px;
  margin-bottom: 16px;
}

.weight-row label {
  display: block;
  font-size: var(--base);
  font-weight: 700;
  margin-bottom: 6px;
}

.weight-row input {
  width: 100%;
  font-family: var(--font);
  font-size: var(--base);
  color: var(--text);
  background: var(--bg);
  border: 2px solid #1B1B1B;
  border-radius: var(--radius-input);
  padding: 12px var(--pad);
  min-height: var(--tap);
}

.weight-row input:focus {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* Success screen */
.success-box {
  text-align: center;
  padding: 32px var(--pad);
}

.success-icon {
  font-size: 64px;
  display: block;
  margin-bottom: var(--gap);
}

.success-uuid {
  font-size: var(--small);
  color: #555;
  word-break: break-all;
  margin: var(--gap) 0;
  padding: 10px;
  background: var(--muted-bg);
  border-radius: var(--radius-input);
}