/* Material Design 3 tokens — light + dark */
:root {
  --md-primary: #6750A4;
  --md-on-primary: #FFFFFF;
  --md-primary-container: #EADDFF;
  --md-on-primary-container: #21005D;
  --md-secondary: #625B71;
  --md-secondary-container: #E8DEF8;
  --md-tertiary: #7D5260;
  --md-error: #B3261E;
  --md-on-error: #FFFFFF;
  --md-error-container: #F9DEDC;
  --md-background: #FEF7FF;
  --md-on-background: #1D1B20;
  --md-surface: #FEF7FF;
  --md-surface-container: #F3EDF7;
  --md-surface-container-high: #ECE6F0;
  --md-surface-variant: #E7E0EC;
  --md-on-surface: #1D1B20;
  --md-on-surface-variant: #49454F;
  --md-outline: #79747E;
  --md-outline-variant: #CAC4D0;
  --md-success: #146C2E;
  --md-warning: #7A5A00;
  --md-shadow: 0 1px 2px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.06);
  --md-shadow-2: 0 4px 8px rgba(0,0,0,.10), 0 2px 4px rgba(0,0,0,.06);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 28px;
}
[data-theme="dark"] {
  --md-primary: #D0BCFF;
  --md-on-primary: #381E72;
  --md-primary-container: #4F378B;
  --md-on-primary-container: #EADDFF;
  --md-secondary: #CCC2DC;
  --md-secondary-container: #4A4458;
  --md-tertiary: #EFB8C8;
  --md-error: #F2B8B5;
  --md-on-error: #601410;
  --md-error-container: #8C1D18;
  --md-background: #141218;
  --md-on-background: #E6E0E9;
  --md-surface: #141218;
  --md-surface-container: #211F26;
  --md-surface-container-high: #2B2930;
  --md-surface-variant: #49454F;
  --md-on-surface: #E6E0E9;
  --md-on-surface-variant: #CAC4D0;
  --md-outline: #938F99;
  --md-outline-variant: #49454F;
  --md-success: #7BDC97;
  --md-warning: #F2C94C;
  --md-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 3px rgba(0,0,0,.3);
  --md-shadow-2: 0 4px 8px rgba(0,0,0,.5), 0 2px 4px rgba(0,0,0,.35);
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--md-background);
  color: var(--md-on-background);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  min-height: 100vh;
  transition: background-color .2s, color .2s;
}
a { color: var(--md-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--md-on-surface); font-weight: 500; margin: 0 0 .75rem; line-height: 1.25; }
h1 { font-size: 1.75rem; letter-spacing: -.01em; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p  { color: var(--md-on-surface); margin: .5rem 0; }
code { background: var(--md-surface-container-high); padding: .1rem .3rem; border-radius: 4px; font-size: .85em; }
hr { border: none; border-top: 1px solid var(--md-outline-variant); margin: 1rem 0; }

/* App bar */
.appbar {
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  padding: 0 1.25rem;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--md-shadow);
  position: sticky;
  top: 0;
  z-index: 50;
}
.appbar .brand { font-weight: 500; font-size: 1.1rem; color: var(--md-on-surface); }
.appbar .spacer { flex: 1; }
.appbar nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.appbar nav a {
  color: var(--md-on-surface-variant);
  padding: .5rem .75rem;
  border-radius: var(--radius-xl);
  font-size: .9rem;
  font-weight: 500;
  transition: background .15s, color .15s;
}
.appbar nav a:hover { background: var(--md-surface-container-high); text-decoration: none; }
.appbar nav a.active { background: var(--md-secondary-container); color: var(--md-on-surface); }
.appbar .user-chip {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem .75rem; border-radius: var(--radius-xl);
  background: var(--md-surface-container-high); font-size: .85rem;
}
.session-timer {
  font-variant-numeric: tabular-nums;
  padding: .3rem .65rem; border-radius: var(--radius-xl);
  background: var(--md-secondary-container);
  color: var(--md-on-surface);
  font-size: .8rem; font-weight: 500;
}
.session-timer.warn { background: #FFE0B2; color: #7A4E00; }
[data-theme="dark"] .session-timer.warn { background: #4F3A00; color: #F2C94C; }
.session-timer.crit { background: var(--md-error-container); color: var(--md-error); }

/* Theme toggle */
.theme-toggle {
  background: transparent; border: 1px solid var(--md-outline-variant); color: var(--md-on-surface);
  width: 40px; height: 40px; border-radius: 50%; cursor: pointer; display: grid; place-items: center;
  transition: background .15s;
}
.theme-toggle:hover { background: var(--md-surface-container-high); }

/* Main */
main.content { max-width: 1200px; margin: 1.5rem auto; padding: 0 1.25rem; }

/* Cards */
.card {
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--md-shadow);
  border: 1px solid var(--md-outline-variant);
}
.card h2 { color: var(--md-on-surface); }

/* Grid */
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Stat tiles */
.stat {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  padding: 1.25rem; border-radius: var(--radius-md);
  box-shadow: var(--md-shadow);
}
.stat b { font-size: 2rem; font-weight: 500; display: block; line-height: 1.1; }
.stat.accent { background: var(--md-secondary-container); }
.stat.warn   { background: #FFE0B2; color: #7A4E00; }
[data-theme="dark"] .stat.warn { background: #4F3A00; color: #F2C94C; }

/* Inputs — MD3 filled */
label {
  display: block; font-size: .8rem; font-weight: 500;
  color: var(--md-on-surface-variant);
  margin: .75rem 0 .25rem;
}
input, select, textarea {
  width: 100%;
  padding: .7rem .85rem;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  border: 1px solid var(--md-outline-variant);
  border-bottom: 2px solid var(--md-outline);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font: inherit;
  transition: border-color .15s, background .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-bottom-color: var(--md-primary);
  background: var(--md-surface-container-high);
}
input[type=checkbox], input[type=radio] { width: auto; accent-color: var(--md-primary); }
input[type=file] { padding: .5rem; border-bottom: 1px solid var(--md-outline-variant); }
textarea { min-height: 6rem; resize: vertical; }
::placeholder { color: var(--md-on-surface-variant); opacity: .7; }

/* Buttons */
.btn, button {
  font: inherit; font-weight: 500; font-size: .9rem;
  background: var(--md-primary); color: var(--md-on-primary);
  border: 0; border-radius: var(--radius-xl);
  padding: .6rem 1.25rem;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  text-decoration: none;
  box-shadow: var(--md-shadow);
  transition: filter .15s, box-shadow .15s, background .15s;
}
.btn:hover, button:hover { filter: brightness(1.05); box-shadow: var(--md-shadow-2); text-decoration: none; }
.btn:active, button:active { filter: brightness(.95); }
.btn:disabled, button:disabled { opacity: .5; cursor: not-allowed; }
.btn.alt   { background: var(--md-secondary-container); color: var(--md-on-surface); }
.btn.ghost { background: transparent; color: var(--md-primary); box-shadow: none; border: 1px solid var(--md-outline); }
.btn.ghost:hover { background: var(--md-surface-container-high); }
.btn.err, button.err   { background: var(--md-error); color: var(--md-on-error); }
.btn.ok, button.ok     { background: var(--md-success); color: #fff; }
.btn.warn, button.warn { background: #F2994A; color: #fff; }
.btn.sm { padding: .35rem .85rem; font-size: .8rem; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left; padding: .75rem; font-size: .9rem;
  color: var(--md-on-surface);
  border-bottom: 1px solid var(--md-outline-variant);
}
th { font-weight: 500; color: var(--md-on-surface-variant); background: var(--md-surface-container-high); }
tr:hover td { background: var(--md-surface-container-high); }

/* Badges */
.badge {
  display: inline-block; padding: .15rem .65rem;
  border-radius: var(--radius-xl); font-size: .75rem; font-weight: 500;
  background: var(--md-surface-variant); color: var(--md-on-surface-variant);
}
.badge.pending   { background: #FFE0B2; color: #7A4E00; }
.badge.approved  { background: #C8E6C9; color: #1B5E20; }
.badge.completed { background: #BBDEFB; color: #0D47A1; }
.badge.rejected, .badge.cancelled { background: var(--md-error-container); color: #7A0D1C; }
[data-theme="dark"] .badge.pending   { background: #4F3A00; color: #F2C94C; }
[data-theme="dark"] .badge.approved  { background: #1B5E20; color: #C8E6C9; }
[data-theme="dark"] .badge.completed { background: #0D47A1; color: #BBDEFB; }
[data-theme="dark"] .badge.rejected, [data-theme="dark"] .badge.cancelled { background: #5F1412; color: #F9DEDC; }

/* Flash / errors */
.flash {
  padding: .85rem 1.15rem; border-radius: var(--radius-md); margin: 1rem 0;
  background: #DCEDC8; color: #1B5E20;
  border: 1px solid #A5D6A7;
}
[data-theme="dark"] .flash { background: #1B5E20; color: #C8E6C9; border-color: #2E7D32; }
.errors {
  background: var(--md-error-container); color: var(--md-error);
  border: 1px solid var(--md-error); padding: .85rem 1.15rem;
  border-radius: var(--radius-md); margin: 1rem 0;
}
.errors ul { margin: .25rem 0; padding-left: 1.25rem; }
.muted { color: var(--md-on-surface-variant); font-size: .85rem; }

/* Toasts */
.toasts {
  position: fixed; right: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: .5rem;
  z-index: 9999; max-width: 400px;
}
.toast {
  background: var(--md-surface-container-high); color: var(--md-on-surface);
  padding: .85rem 1.15rem; border-radius: var(--radius-md);
  box-shadow: var(--md-shadow-2); border-left: 4px solid var(--md-primary);
  animation: slide-in .25s ease-out;
  display: flex; align-items: center; gap: .75rem;
  font-size: .9rem;
}
.toast.success { border-left-color: var(--md-success); }
.toast.error   { border-left-color: var(--md-error); }
.toast.warning { border-left-color: #F2994A; }
.toast .close { margin-left: auto; background: transparent; box-shadow: none; color: var(--md-on-surface-variant); padding: 0 .25rem; }
@keyframes slide-in { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: none; align-items: center; justify-content: center; z-index: 100;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  border-radius: var(--radius-lg); padding: 1.5rem; max-width: 440px; width: 100%;
  box-shadow: var(--md-shadow-2);
}
.modal h2 { margin-top: 0; }

/* Tabs */
.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--md-outline-variant); margin-bottom: 1rem; overflow-x: auto; }
.tabs a, .tabs button {
  background: transparent; color: var(--md-on-surface-variant); box-shadow: none; border: none;
  padding: .75rem 1rem; border-radius: 0;
  border-bottom: 2px solid transparent;
  font-weight: 500; font-size: .9rem;
}
.tabs a.active, .tabs button.active { color: var(--md-primary); border-bottom-color: var(--md-primary); }
.tabs a:hover, .tabs button:hover { background: var(--md-surface-container-high); filter: none; box-shadow: none; }

/* Chips */
.chip {
  display: inline-block; padding: .3rem .75rem;
  border-radius: var(--radius-xl); background: var(--md-surface-container-high);
  color: var(--md-on-surface); font-size: .8rem; border: 1px solid var(--md-outline-variant);
}
.chip.primary { background: var(--md-primary-container); color: var(--md-on-primary-container); border-color: transparent; }

/* Pagination (Laravel) */
.pagination { list-style: none; display: flex; gap: .25rem; padding: 0; margin: 1rem 0; flex-wrap: wrap; }
.pagination li a, .pagination li span {
  padding: .35rem .7rem; border-radius: var(--radius-sm);
  color: var(--md-on-surface); background: var(--md-surface-container-high);
  font-size: .85rem; text-decoration: none;
}
.pagination li.active span { background: var(--md-primary); color: var(--md-on-primary); }

/* Autocomplete */
.autocomplete { position: relative; }
.autocomplete-list {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--md-surface-container-high); border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-sm); max-height: 240px; overflow-y: auto;
  z-index: 20; box-shadow: var(--md-shadow-2);
}
.autocomplete-list div {
  padding: .5rem .75rem; cursor: pointer; color: var(--md-on-surface);
  border-bottom: 1px solid var(--md-outline-variant);
}
.autocomplete-list div:hover, .autocomplete-list div.active { background: var(--md-primary-container); color: var(--md-on-primary-container); }

/* Utility */
.flex   { display: flex; gap: .5rem; align-items: center; }
.flex-end { justify-content: flex-end; }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; } .mb-2 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.w-full { width: 100%; }

/* Dark-mode safety — force-visible text on anything we may have missed */
[data-theme="dark"] .flash,
[data-theme="dark"] .card,
[data-theme="dark"] .card *:not(.badge):not(.chip):not(.btn):not(button):not(.stat):not(input):not(select):not(textarea),
[data-theme="dark"] main { color: var(--md-on-surface); }
[data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea { color: var(--md-on-surface); }

/* Body map (derm) */
.body-map { position: relative; width: 240px; aspect-ratio: 1/2; background: var(--md-surface-variant); border-radius: var(--radius-md); }
.body-map .region { position: absolute; border: 1px dashed var(--md-outline); border-radius: 4px; cursor: pointer; }
.body-map .region.active { background: var(--md-primary-container); border-color: var(--md-primary); border-style: solid; }

/* Joint chart (rheum) */
.joint-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.joint-grid label {
  display: flex; align-items: center; gap: .4rem; margin: 0;
  padding: .5rem .75rem; border: 1px solid var(--md-outline-variant); border-radius: var(--radius-sm);
  background: var(--md-surface-container-high); cursor: pointer; color: var(--md-on-surface);
}
.joint-grid input:checked + span { color: var(--md-primary); font-weight: 500; }

/* Pain slider */
.pain-slider { width: 100%; accent-color: var(--md-error); }
.pain-value { font-size: 2rem; font-weight: 500; color: var(--md-error); text-align: center; }