@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --bg: #f5f0eb;
  --bg-card: #ffffff;
  --bg-elevated: #faf7f4;
  --bg-input: #f0ebe5;
  --text: #2a1f17;
  --text-secondary: #8a7b6e;
  --text-tertiary: #b5a89c;
  --accent: #7c5cbf;
  --accent-soft: #b8a4d8;
  --accent-bg: rgba(124,92,191,.08);
  --coffee: #6b4a3a;
  --coffee-soft: #a88b7a;
  --lavender: #c4b5d8;
  --lavender-bg: rgba(196,181,216,.15);
  --border: rgba(42,31,23,.06);
  --success: #5a9e6f;
  --success-bg: rgba(90,158,111,.1);
  --warning: #c49a3a;
  --warning-bg: rgba(196,154,58,.1);
  --danger: #c45a4a;
  --danger-bg: rgba(196,90,74,.1);
  --shadow-sm: 0 1px 3px rgba(42,31,23,.04);
  --shadow-md: 0 4px 16px rgba(42,31,23,.06);
  --shadow-lg: 0 8px 32px rgba(42,31,23,.08);
  --radius: 20px;
  --radius-sm: 14px;
  --radius-pill: 100px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1616;
    --bg-card: #2a2424;
    --bg-elevated: #322c2c;
    --bg-input: #3a3232;
    --text: #ede6e0;
    --text-secondary: #9a8e85;
    --text-tertiary: #6a5e56;
    --accent: #b8a4d8;
    --accent-soft: #8a72b0;
    --accent-bg: rgba(184,164,216,.1);
    --coffee: #c4a88e;
    --coffee-soft: #8a7060;
    --lavender: #9a88b0;
    --lavender-bg: rgba(154,136,176,.12);
    --border: rgba(255,255,255,.06);
    --success: #6aae7f;
    --success-bg: rgba(106,174,127,.12);
    --warning: #d4aa4a;
    --warning-bg: rgba(212,170,74,.12);
    --danger: #d47a6a;
    --danger-bg: rgba(212,122,106,.12);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.15);
    --shadow-md: 0 4px 16px rgba(0,0,0,.2);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.25);
  }
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

/* --- Layout --- */

.app {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 16px 110px;
}

header {
  padding: 20px 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-badge {
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--lavender-bg);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.logout-link {
  font-size: .8rem;
  color: var(--text-tertiary);
  cursor: pointer;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.logout-link:hover { color: var(--text-secondary); }

.status-bar {
  font-size: .75rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  color: var(--text-tertiary);
  transition: all .3s;
}

.status-bar.offline { background: var(--warning-bg); color: var(--warning); }
.status-bar.saved { background: var(--success-bg); color: var(--success); }
.status-bar.sent { background: var(--success-bg); color: var(--success); }
.status-bar.error { background: var(--danger-bg); color: var(--danger); }

/* --- Auth Screen --- */

.auth-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 85vh;
  gap: 8px;
}

.auth-screen h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.03em;
}

.auth-screen .subtitle {
  color: var(--text-secondary);
  font-size: .95rem;
  font-weight: 400;
  margin-bottom: 24px;
}

.auth-form {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* --- Inputs --- */

input, select, textarea {
  font-family: 'Inter', sans-serif;
  font-size: .95rem;
  font-weight: 400;
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text);
  width: 100%;
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

input::placeholder, textarea::placeholder {
  color: var(--text-tertiary);
}

textarea {
  min-height: 80px;
  resize: vertical;
  line-height: 1.5;
}

input[type="number"] { -moz-appearance: textfield; }
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }

/* --- Buttons --- */

.btn {
  font-family: 'Inter', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .15s;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
  letter-spacing: -.01em;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(124,92,191,.25);
}
.btn-primary:active {
  transform: scale(.98);
  box-shadow: 0 1px 4px rgba(124,92,191,.2);
}

.btn-coffee {
  background: var(--coffee);
  color: #fff;
}

.btn-outline {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:active { background: var(--bg-elevated); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 14px;
  font-size: .85rem;
  font-weight: 500;
}

.btn-urgent {
  background: var(--danger);
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.btn-urgent:active { opacity: .85; }

.btn-sm {
  font-size: .8rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
}

/* --- Sections (Cards) --- */

.section {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s;
}

.section.open {
  box-shadow: var(--shadow-md);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.section-header h3 {
  font-size: .9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -.01em;
}

.section-header .badge {
  font-size: .7rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  background: var(--accent-bg);
  color: var(--accent);
}

.section-header .chevron {
  transition: transform .25s ease;
  color: var(--text-tertiary);
  font-size: .8rem;
}

.section.open .chevron { transform: rotate(180deg); }

.section-body {
  display: none;
  padding: 0 18px 18px;
}

.section.open .section-body { display: block; }

/* --- Stock Levels --- */

.stock-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.stock-item:last-child { border-bottom: none; }

.stock-item .name {
  flex: 1;
  font-size: .88rem;
  font-weight: 400;
}

.stock-buttons {
  display: flex;
  gap: 5px;
}

.stock-btn {
  width: 38px;
  height: 38px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  cursor: pointer;
  font-size: .7rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
  -webkit-tap-highlight-color: transparent;
  color: var(--text-tertiary);
}

.stock-btn:active { transform: scale(.92); }
.stock-btn.active-ok { background: var(--success); color: #fff; border-color: var(--success); }
.stock-btn.active-low { background: var(--warning); color: #fff; border-color: var(--warning); }
.stock-btn.active-almost { background: #e07030; color: #fff; border-color: #e07030; }
.stock-btn.active-empty { background: var(--danger); color: #fff; border-color: var(--danger); }

/* --- Checklist --- */

.check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.check-item:last-child { border-bottom: none; }

.check-item input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border: 2px solid var(--text-tertiary);
  border-radius: 7px;
  background: transparent;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: all .15s;
}

.check-item input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.check-item input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.check-item label {
  font-size: .9rem;
  cursor: pointer;
  flex: 1;
  font-weight: 400;
}

/* --- Writeoffs --- */

.writeoff-entry {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 6px;
  margin-bottom: 8px;
  align-items: center;
}

.writeoff-entry input {
  padding: 11px 14px;
  font-size: .88rem;
  border-radius: 12px;
}

.add-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  cursor: pointer;
  font-size: .88rem;
  font-weight: 500;
  padding: 10px 0;
  -webkit-tap-highlight-color: transparent;
}

/* --- Submit Bar --- */

.submit-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px 16px;
  padding-bottom: max(14px, env(safe-area-inset-bottom));
  background: var(--bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  z-index: 100;
}

.submit-bar .btn {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  display: block;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  padding: 16px;
}

/* --- Nav Tabs --- */

.nav-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 16px;
}

.nav-tab {
  flex: 1;
  text-align: center;
  padding: 10px 8px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 11px;
  transition: all .2s;
  -webkit-tap-highlight-color: transparent;
}

.nav-tab.active {
  background: var(--bg-card);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* --- History Cards --- */

.report-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 8px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all .15s;
}

.report-card:active {
  transform: scale(.98);
  box-shadow: var(--shadow-md);
}

.report-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.report-card .date {
  font-weight: 600;
  font-size: .9rem;
}

.report-card .barista {
  color: var(--accent);
  font-size: .85rem;
  font-weight: 500;
}

.report-card .summary {
  font-size: .82rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* --- Modal --- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 28px 24px;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  max-width: 520px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 520px) {
  .modal-overlay { align-items: center; }
  .modal { border-radius: var(--radius); }
}

.modal h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -.02em;
}

.modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.modal-actions .btn { flex: 1; }

/* --- Toggle buttons (Кру) --- */

.toggle-group {
  display: flex;
  gap: 6px;
}

.toggle-btn {
  flex: 1;
  padding: 12px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .15s;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
}

.toggle-btn.active {
  background: var(--accent-bg);
  border-color: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.toggle-btn:active { transform: scale(.96); }

/* --- Last Report Card --- */

.last-report {
  background: var(--lavender-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 14px;
  cursor: pointer;
  transition: all .15s;
}

.last-report:active { transform: scale(.98); }

.last-report-label {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent);
  margin-bottom: 6px;
}

.last-report-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.last-report-meta {
  font-size: .88rem;
  font-weight: 500;
}

.last-report-details {
  font-size: .82rem;
  color: var(--text-secondary);
}

.last-report-row {
  font-size: .85rem;
  color: var(--text-secondary);
  padding: 3px 0;
  line-height: 1.4;
}

/* --- Draft Preview --- */

.draft-preview {
  background: var(--success-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 14px;
}

/* --- Empty state --- */

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-tertiary);
  font-size: .9rem;
}

/* --- Responsive --- */

@media (max-width: 400px) {
  .app { padding: 0 12px 110px; }
  .section-header { padding: 14px 16px; }
  .section-body { padding: 0 16px 16px; }
  .writeoff-entry {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  header h1 { font-size: 1.3rem; }
}