/* ================================================================
   GlucoBite — mobile-first CSS
   Color palette from manifest: theme #1a1612, background #f5f0e8
   ================================================================ */

/* ------------------------------------------------------------------ variables */
:root {
  --bg:           #f5f0e8;
  --surface:      #ffffff;
  --surface-alt:  #faf7f2;
  --border:       #e2d9cc;
  --text:         #1a1612;
  --text-muted:   #6b5f52;
  --accent:       #c2410c;      /* warm orange-red */
  --accent-hover: #9a3412;
  --success-bg:   #dcfce7;
  --success-text: #166534;
  --error-bg:     #fee2e2;
  --error-text:   #991b1b;
  --offline-bg:   #fef9c3;
  --offline-text: #854d0e;
  --pill-bg:      #f0ebe2;
  --pill-selected:#c2410c;
  --pill-selected-text: #ffffff;
  --btn-active-bg:#c2410c;
  --btn-active-text:#ffffff;
  --shadow:       0 1px 3px rgba(0,0,0,.10);
  --radius:       10px;
  --radius-sm:    6px;
  --gap:          12px;
  --font:         -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-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: 100dvh;
  max-width: 480px;
  margin: 0 auto;
}

button { cursor: pointer; font-family: inherit; border: none; background: none; }
input  { font-family: inherit; font-size: 1rem; }
h1, h2 { font-weight: 700; }

/* ------------------------------------------------------------------ login view */
#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 24px 16px;
}

#login-view[hidden] {
  display: none !important;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-logo { font-size: 2.5rem; text-align: center; }
.login-title { font-size: 1.6rem; text-align: center; color: var(--text); }
.login-subtitle { text-align: center; color: var(--text-muted); font-size: .9rem; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"] {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  color: var(--text);
  transition: border-color .15s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.password-wrapper input { padding-right: 44px; }
.password-wrapper .btn-icon-sm {
  position: absolute;
  right: 10px;
  font-size: 1.1rem;
  padding: 4px;
  color: var(--text-muted);
}

.login-error {
  background: var(--error-bg);
  color: var(--error-text);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: .9rem;
  font-weight: 500;
}

.login-tip {
  font-size: .8rem;
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.login-tip code {
  background: var(--pill-bg);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: .8rem;
}

/* ------------------------------------------------------------------ shared buttons */
.btn-primary {
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .05em;
  padding: 13px 20px;
  border-radius: var(--radius-sm);
  transition: background .15s, opacity .15s;
}
.btn-primary:hover  { background: var(--accent-hover); }
.btn-primary:active { opacity: .85; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-full { width: 100%; }

.btn-icon-sm {
  background: none;
  border: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  line-height: 1;
  color: var(--text-muted);
}
.btn-icon-sm:hover { background: var(--pill-bg); }

/* ------------------------------------------------------------------ offline banner */
.offline-banner {
  background: var(--offline-bg);
  color: var(--offline-text);
  font-size: .88rem;
  font-weight: 600;
  text-align: center;
  padding: 8px 16px;
  border-bottom: 1px solid #fde68a;
}

/* ------------------------------------------------------------------ header */
.app-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--text);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-logo  { font-size: 1.3rem; }
.header-title { font-size: 1.1rem; font-weight: 700; flex: 1; color: #fff; }
.header-logout { color: #fff; font-size: 1.1rem; }
.header-logout:hover { background: rgba(255,255,255,.15); }

/* ------------------------------------------------------------------ welcome banner */
.welcome-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  margin: var(--gap) 16px 0;
  padding: 12px 14px;
  font-size: .9rem;
}
.welcome-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: #78350f;
}
.welcome-text strong { font-size: 1rem; }

/* ------------------------------------------------------------------ quick add */
.quick-add {
  padding: 12px 16px 80px;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

/* ------------------------------------------------------------------ status messages */
.status-msg {
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: .95rem;
  font-weight: 500;
}
.status-success {
  background: var(--success-bg);
  color: var(--success-text);
}
.status-error {
  background: var(--error-bg);
  color: var(--error-text);
}

/* ------------------------------------------------------------------ spinner */
.spinner-overlay {
  position: fixed;
  inset: 0;
  background: rgba(245,240,232,.7);
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.spinner-overlay:not([hidden]) {
  display: flex;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------------ search */
.search-bar input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
}
.search-bar input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ------------------------------------------------------------------ meal sections */
.meal-section { display: flex; flex-direction: column; gap: 8px; }

.section-label {
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.meal-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meal-pill {
  background: var(--pill-bg);
  color: var(--text);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 7px 14px;
  font-size: .9rem;
  font-weight: 500;
  transition: background .12s, border-color .12s, color .12s;
}
.meal-pill:hover {
  background: #e8dfd4;
  border-color: var(--accent);
}
.meal-pill.selected {
  background: var(--pill-selected);
  color: var(--pill-selected-text);
  border-color: var(--pill-selected);
}

.meal-empty {
  color: var(--text-muted);
  font-size: .88rem;
  font-style: italic;
}

/* ------------------------------------------------------------------ portion panel */
.portion-panel {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow);
}

.selected-meal-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.selected-meal-name {
  font-size: 1.1rem;
  font-weight: 700;
}
.selected-meal-unit {
  font-size: .85rem;
  color: var(--text-muted);
}

/* ------------------------------------------------------------------ picker rows */
.picker-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.picker-label {
  font-size: .78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.picker-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Shared style for portion + time toggle buttons */
.portion-btn,
.time-btn {
  background: var(--pill-bg);
  color: var(--text);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 600;
  min-width: 48px;
  transition: background .1s, border-color .1s, color .1s;
}
.portion-btn:hover,
.time-btn:hover {
  border-color: var(--accent);
  background: #e8dfd4;
}
.portion-btn.active,
.time-btn.active {
  background: var(--btn-active-bg);
  color: var(--btn-active-text);
  border-color: var(--btn-active-bg);
}

/* ------------------------------------------------------------------ custom time input */
.custom-time {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  color: var(--text);
  font-size: .95rem;
}
.custom-time:focus {
  outline: none;
  border-color: var(--accent);
}

/* ------------------------------------------------------------------ note input */
.note-row input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  color: var(--text);
  font-size: .95rem;
}
.note-row input:focus {
  outline: none;
  border-color: var(--accent);
}
.note-row input::placeholder { color: var(--text-muted); }

/* ------------------------------------------------------------------ submit button */
.btn-submit {
  margin-top: 4px;
  font-size: 1.05rem;
  padding: 14px;
}

/* ------------------------------------------------------------------ responsive fine-tuning */
@media (max-width: 360px) {
  .portion-btn, .time-btn { padding: 7px 10px; font-size: .82rem; }
  .meal-pill { padding: 6px 11px; font-size: .85rem; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:           #1a1612;
    --surface:      #252118;
    --surface-alt:  #1e1b15;
    --border:       #3d3528;
    --text:         #f5f0e8;
    --text-muted:   #a89880;
    --pill-bg:      #2d2720;
    --pill-selected:#c2410c;
    --pill-selected-text:#ffffff;
    --btn-active-bg:#c2410c;
    --success-bg:   #14532d;
    --success-text: #bbf7d0;
    --error-bg:     #7f1d1d;
    --error-text:   #fecaca;
    --offline-bg:   #713f12;
    --offline-text: #fef3c7;
  }
  .login-card { box-shadow: 0 2px 8px rgba(0,0,0,.4); }
  /* Header must stay dark — var(--text) is light in dark mode */
  .app-header { background: #2d2720; }
}



#app-view[hidden] {
  display: none !important;
}

/* Welcome banner hidden fix — display:flex overrides [hidden] without this */
.welcome-banner[hidden] {
  display: none !important;
}

/* Warning (yellow) status — future timestamp hint etc. */
.status-warning {
  background: var(--offline-bg);
  color: var(--offline-text);
}

/* display:flex overrides UA [hidden]{display:none} — explicit fix (same pattern as .welcome-banner, #app-view) */
#quick-add[hidden]       { display: none !important; }
#history-view[hidden]    { display: none !important; }
#admin-view[hidden]      { display: none !important; }

/* ------------------------------------------------------------------ status-msg global (outside quick-add) */
.status-msg--global {
  margin: 8px 16px 0;
  display: block;
}
.status-msg--global[hidden] { display: none !important; }

/* ------------------------------------------------------------------ header nav buttons */
.header-nav-btn {
  color: #fff;
  font-size: 1.1rem;
}
.header-nav-btn:hover { background: rgba(255,255,255,.15); }
.header-nav-btn.active { background: rgba(255,255,255,.25); }

/* ------------------------------------------------------------------ shared page layout (history + admin) */
.page-view {
  padding-bottom: 80px;
}

.page-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 52px; /* below app-header */
  z-index: 90;
}

.page-back-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--accent);
  padding: 6px 8px;
}
.page-back-btn:hover { background: var(--pill-bg); }
.page-back-btn svg { flex-shrink: 0; }

.page-title {
  flex: 1;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-content {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-footer {
  padding: 0 16px 16px;
}

/* ------------------------------------------------------------------ history */
.history-day-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.history-day-label {
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 0 2px;
  border-bottom: 1px solid var(--border);
  margin-top: 8px;
}
.history-day-group:first-child .history-day-label { margin-top: 0; }

.history-day-events {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.history-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

.history-card-body {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.history-card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.history-meal-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.history-category {
  font-size: .78rem;
  color: var(--accent);
  font-weight: 600;
}

.history-meta {
  font-size: .82rem;
  color: var(--text-muted);
}

.history-note {
  font-size: .82rem;
  color: var(--text-muted);
  font-style: italic;
}

.history-card-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

/* Inline edit form inside history card */
.history-edit-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.history-edit-row {
  display: flex;
  gap: 8px;
}

.history-input {
  padding: 8px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
  width: 100%;
}
.history-input:focus { outline: none; border-color: var(--accent); }

.history-input--full { width: 100%; }

.history-edit-btns {
  display: flex;
  gap: 8px;
  align-items: center;
}

.history-save-btn {
  padding: 9px 18px;
  font-size: .9rem;
}

.history-empty {
  color: var(--text-muted);
  font-size: .9rem;
  font-style: italic;
  text-align: center;
  padding: 24px 0;
}

/* ------------------------------------------------------------------ admin */
.admin-add-btn {
  padding: 8px 14px;
  font-size: .85rem;
  white-space: nowrap;
}

.admin-filters {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}

.admin-search-input {
  flex: 1;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
}
.admin-search-input:focus { outline: none; border-color: var(--accent); }

.admin-cat-select,
.admin-select {
  padding: 9px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  color: var(--text);
  font-size: .88rem;
  font-family: inherit;
  max-width: 140px;
}
.admin-cat-select:focus,
.admin-select:focus { outline: none; border-color: var(--accent); }

.admin-meal-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  box-shadow: var(--shadow);
}

.admin-fav-btn {
  font-size: 1.2rem;
  flex-shrink: 0;
  padding: 4px;
  color: var(--text);
}

.admin-meal-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.admin-meal-name {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-meal-meta {
  font-size: .78rem;
  color: var(--text-muted);
}

.admin-meal-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

/* ------------------------------------------------------------------ modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 400;
  padding: 0;
}

.modal-overlay[hidden] { display: none !important; }

.modal-card {
  background: var(--surface);
  border-radius: var(--radius) var(--radius) 0 0;
  width: 100%;
  max-width: 480px;
  padding: 20px 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 90dvh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-title {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 700;
}

.form-group--row {
  display: flex;
  gap: 10px;
}
.form-group--row .form-group { flex: 1; }