/* ═══════════════════════════════════════════════════════════════════
   FlowEnForm Design System — Components  v1.0a
   ─────────────────────────────────────────────────────────────────
   Requires tokens.css to be loaded first.

   Contents
   --------
    1. Reset & Base
    2. Typography
    3. Color utilities
    4. Layout utilities
    5. Buttons
    6. Forms
    7. Cards
    8. Badges
    9. Alerts
   10. Public Navigation
   11. Sidebar
   12. App Shell
   13. Tables
   14. Avatars
   15. Icon Boxes
   16. Empty States
   17. Progress & Skeletons
   18. Dividers
   19. Responsive overrides
   ═══════════════════════════════════════════════════════════════════ */

/* ── 1. Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, svg, picture { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-regular);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--color-text);
}

/* ── 2. Typography ────────────────────────────────────────────────── */

/* Display & Headings */
.display   { font-family: var(--font-display); font-size: var(--text-6xl); font-weight: var(--fw-regular); line-height: var(--lh-tight); letter-spacing: var(--ls-tight); }
.heading-1 { font-family: var(--font-display); font-size: var(--text-5xl); font-weight: var(--fw-regular); line-height: var(--lh-snug);  letter-spacing: var(--ls-tight); }
.heading-2 { font-family: var(--font-display); font-size: var(--text-4xl); font-weight: var(--fw-regular); line-height: var(--lh-snug);  letter-spacing: var(--ls-tight); }
.heading-3 { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: var(--fw-regular); line-height: var(--lh-snug); }
.heading-4 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: var(--fw-regular); }
.heading-5 { font-family: var(--font-body);    font-size: var(--text-xl);  font-weight: var(--fw-semibold); line-height: var(--lh-snug); }
.heading-6 { font-family: var(--font-body);    font-size: var(--text-lg);  font-weight: var(--fw-semibold); }

/* Body sizes */
.body-xl { font-size: var(--text-lg);  line-height: var(--lh-relaxed); }
.body-lg { font-size: var(--text-md);  line-height: var(--lh-relaxed); }
.body    { font-size: var(--text-sm);  line-height: var(--lh-normal); }
.body-sm { font-size: var(--text-xs);  line-height: var(--lh-normal); }
.caption { font-size: var(--text-2xs); }

/* Special text styles */
.eyebrow { font-size: var(--text-2xs); font-weight: var(--fw-semibold); letter-spacing: var(--ls-widest); text-transform: uppercase; }
.label   { font-size: var(--text-xs);  font-weight: var(--fw-medium);   letter-spacing: var(--ls-wide); }
.mono    { font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace; font-size: 0.875em; }

/* Font utilities */
.font-display { font-family: var(--font-display) !important; }
.font-body    { font-family: var(--font-body) !important; }
.italic       { font-style: italic; }
.fw-light    { font-weight: var(--fw-light); }
.fw-regular  { font-weight: var(--fw-regular); }
.fw-medium   { font-weight: var(--fw-medium); }
.fw-semibold { font-weight: var(--fw-semibold); }

/* ── 3. Color utilities ───────────────────────────────────────────── */

/* Text */
.text-accent    { color: var(--color-accent) !important; }
.text-sub       { color: var(--color-text-sub) !important; }
.text-muted     { color: var(--color-text-muted) !important; }
.text-inverse   { color: var(--color-text-inverse) !important; }
.text-sand      { color: var(--clr-sand-400) !important; }

/* Background fills */
.bg-accent    { background-color: var(--color-accent)   !important; color: var(--color-text-inverse); }
.bg-surface   { background-color: var(--color-surface)  !important; }
.bg-page      { background-color: var(--color-bg)       !important; }
.bg-warm      { background-color: var(--color-bg-warm)  !important; }
.bg-sand      { background-color: var(--clr-sand-200)   !important; }
.bg-dark      { background-color: var(--color-surface-dark) !important; color: var(--color-text-inverse); }
.bg-primary-mist   { background-color: var(--color-primary-mist)   !important; }
.bg-secondary-mist { background-color: var(--color-secondary-mist) !important; }
.bg-accent-mist    { background-color: var(--color-accent-mist)    !important; }
.bg-success-mist   { background-color: var(--color-success-mist)   !important; }
.bg-danger-mist    { background-color: var(--color-danger-mist)    !important; }

/* ── 4. Layout utilities ──────────────────────────────────────────── */

.container        { width: 100%; max-width: var(--max-w);        margin: 0 auto; padding: 0 var(--sp-8); }
.container-narrow { width: 100%; max-width: var(--max-w-narrow); margin: 0 auto; padding: 0 var(--sp-8); }
.container-prose  { width: 100%; max-width: var(--max-w-prose);  margin: 0 auto; padding: 0 var(--sp-8); }

/* Flex */
.flex         { display: flex; }
.inline-flex  { display: inline-flex; }
.flex-col     { flex-direction: column; }
.flex-wrap    { flex-wrap: wrap; }
.items-start  { align-items: flex-start; }
.items-center { align-items: center; }
.items-end    { align-items: flex-end; }
.items-stretch{ align-items: stretch; }
.justify-start   { justify-content: flex-start; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.flex-1      { flex: 1 1 0%; }
.flex-none   { flex: none; }

/* Grid */
.grid   { display: grid; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); }

/* Gap */
.gap-1  { gap: var(--sp-1); }
.gap-2  { gap: var(--sp-2); }
.gap-3  { gap: var(--sp-3); }
.gap-4  { gap: var(--sp-4); }
.gap-5  { gap: var(--sp-5); }
.gap-6  { gap: var(--sp-6); }
.gap-8  { gap: var(--sp-8); }
.gap-10 { gap: var(--sp-10); }
.gap-12 { gap: var(--sp-12); }

/* Text alignment */
.text-left   { text-align: left; }
.text-center { text-align: center; }
.text-right  { text-align: right; }

/* Dimension */
.w-full  { width: 100%; }
.h-full  { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }
.sticky   { position: sticky; }
.inset-0  { inset: 0; }
.z-sticky { z-index: var(--z-sticky); }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }

/* Radius */
.rounded-sm   { border-radius: var(--r-sm); }
.rounded-md   { border-radius: var(--r-md); }
.rounded-lg   { border-radius: var(--r-lg); }
.rounded-xl   { border-radius: var(--r-xl); }
.rounded-pill { border-radius: var(--r-pill); }
.rounded-full { border-radius: 50%; }

/* Shadows */
.shadow-xs { box-shadow: var(--sh-xs); }
.shadow-sm { box-shadow: var(--sh-sm); }
.shadow-md { box-shadow: var(--sh-md); }
.shadow-lg { box-shadow: var(--sh-lg); }

/* Object fit */
.object-cover   { object-fit: cover; }
.object-contain { object-fit: contain; }

/* Misc */
.page-top       { padding-top: var(--topbar-h); }
.section        { padding-top: var(--sp-20); padding-bottom: var(--sp-20); }
.section-sm     { padding-top: var(--sp-12); padding-bottom: var(--sp-12); }
.section-lg     { padding-top: var(--sp-24); padding-bottom: var(--sp-24); }
.no-select      { -webkit-user-select: none; user-select: none; }
.cursor-pointer { cursor: pointer; }
.pointer-none   { pointer-events: none; }
.opacity-0      { opacity: 0; }
.opacity-50     { opacity: 0.5; }
.truncate       { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── 5. Buttons ───────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.625rem var(--sp-5);
  border: 1.5px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.01em;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
  vertical-align: middle;
  transition:
    background   var(--t-normal),
    border-color var(--t-normal),
    color        var(--t-normal),
    box-shadow   var(--t-normal),
    transform    var(--t-fast);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}
.btn:focus, .btn.focus {
  box-shadow: 0 0 0 0.25rem rgba(140, 120, 97, 0.25) !important;
  outline: 0;
}
.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled, .btn[disabled] { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

/* Re-map Bootstrap variables to prevent ANY blue colors */
.btn-primary {
  --bs-btn-bg: var(--color-primary);
  --bs-btn-border-color: var(--color-primary);
  --bs-btn-hover-bg: var(--color-primary-dark);
  --bs-btn-hover-border-color: var(--color-primary-dark);
  --bs-btn-active-bg: var(--color-primary-dark);
  --bs-btn-active-border-color: var(--color-primary-dark);
  --bs-btn-disabled-bg: var(--color-primary);
  --bs-btn-disabled-border-color: var(--color-primary);
}

/* Variants */
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover, .btn-primary:active, .btn-primary.active {
  background: var(--color-primary-dark) !important;
  border-color: var(--color-primary-dark) !important;
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(140, 120, 97, 0.30);
}
.btn-primary:disabled, .btn-primary.disabled {
  background: var(--color-primary-mist) !important;
  border-color: var(--color-primary-mist) !important;
  color: var(--color-text-sub) !important;
}

.btn-secondary {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
}
.btn-secondary:hover, .btn-secondary:active, .btn-secondary.active {
  background: var(--color-secondary-dark) !important;
  border-color: var(--color-secondary-dark) !important;
  color: #fff !important;
}

.btn-accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.btn-accent:hover, .btn-accent:active, .btn-accent.active {
  background: var(--color-accent-dark) !important;
  border-color: var(--color-accent-dark) !important;
  color: #fff !important;
}

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover, .btn-outline:focus, .btn-outline:active, .btn-outline.active { background: var(--color-primary-mist) !important; border-color: var(--color-primary) !important; color: var(--color-primary) !important; }

.btn-outline-secondary {
  background: transparent;
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.btn-outline-secondary:hover, .btn-outline-secondary:focus, .btn-outline-secondary:active, .btn-outline-secondary.active { background: var(--color-secondary-mist) !important; border-color: var(--color-secondary) !important; color: var(--color-secondary) !important; }

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-primary);
}
.btn-ghost:hover, .btn-ghost:focus, .btn-ghost:active, .btn-ghost.active { background: var(--color-primary-mist) !important; border-color: transparent !important; color: var(--color-primary) !important; }

.btn-neutral {
  background: var(--color-surface);
  border-color: var(--color-border-md);
  color: var(--color-text);
}
.btn-neutral:hover, .btn-neutral:active, .btn-neutral.active {
  background: var(--color-bg) !important;
  border-color: var(--color-border-strong) !important;
  color: var(--color-text) !important;
}

.btn-dark {
  background: var(--color-surface-dark);
  border-color: var(--color-surface-dark);
  color: #fff;
}
.btn-dark:hover, .btn-dark:active, .btn-dark.active { background: var(--clr-dark-900) !important; border-color: var(--clr-dark-900) !important; color: #fff !important; }

.btn-danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}
.btn-danger:hover, .btn-danger:active, .btn-danger.active { background: #9b3636 !important; border-color: #9b3636 !important; color: #fff !important; }

.btn-outline-danger {
  background: transparent;
  border-color: var(--color-danger);
  color: var(--color-danger);
}
.btn-outline-danger:hover, .btn-outline-danger:focus, .btn-outline-danger:active, .btn-outline-danger.active { background: var(--color-danger-mist) !important; border-color: var(--color-danger) !important; color: var(--color-danger) !important; }

/* Sizes */
.btn-2xs { padding: 0.3rem  var(--sp-3);  font-size: var(--text-2xs); }
.btn-xs  { padding: 0.4rem  var(--sp-4);  font-size: var(--text-2xs); }
.btn-sm  { padding: 0.5rem  var(--sp-4);  font-size: var(--text-xs); }
.btn-lg  { padding: 0.875rem var(--sp-8); font-size: var(--text-sm); }
.btn-xl  { padding: 1rem    var(--sp-10); font-size: var(--text-md); }

/* Icon button */
.btn-icon {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border-radius: var(--r-md);
  background: transparent;
  border-color: transparent;
  color: var(--color-text-muted);
}
.btn-icon:hover { background: var(--color-border); color: var(--color-text); }
.btn-icon.rounded-pill { border-radius: var(--r-pill); }
.btn-icon-sm { width: 1.75rem; height: 1.75rem; font-size: 0.8rem; }
.btn-icon-lg { width: 2.75rem; height: 2.75rem; font-size: 1.1rem; }

/* ── 6. Forms ─────────────────────────────────────────────────────── */

.form-group   { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-row     { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--sp-4); }

.form-label {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  line-height: 1;
}
.form-label .required { color: var(--color-danger); margin-left: 2px; }

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border-md);
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  line-height: var(--lh-normal);
  color: var(--color-text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3.5px var(--color-primary-mist);
}

/* Prevent ugly browser autofill colors */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active{
    -webkit-box-shadow: 0 0 0 30px white inset !important;
    -webkit-text-fill-color: var(--color-text) !important;
    transition: background-color 5000s ease-in-out 0s;
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-muted); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%239C9791' d='M5 7L0.67 2h8.66z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-4) center;
  padding-right: var(--sp-10);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: var(--lh-relaxed);
}

.form-hint  { font-size: var(--text-2xs); color: var(--color-text-muted); line-height: var(--lh-normal); }
.form-error { font-size: var(--text-2xs); color: var(--color-danger); }
.form-ok    { font-size: var(--text-2xs); color: var(--color-success); }

.form-check {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-sub);
}
.form-check:not(.form-switch) input[type="checkbox"],
.form-check input[type="radio"] {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Input with prefix icon */
.input-group {
  position: relative;
}
.input-group .form-input { padding-left: calc(var(--sp-4) + 1.25rem + var(--sp-3)); }
.input-group__icon {
  position: absolute;
  left: var(--sp-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: 0.9rem;
}

/* ── 7. Cards ─────────────────────────────────────────────────────── */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
  overflow: visible;
}

.card-body   { padding: var(--sp-6); }
.card-header {
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  border-top-left-radius: calc(var(--r-lg) - 1px);
  border-top-right-radius: calc(var(--r-lg) - 1px);
}
.card-footer {
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  border-bottom-left-radius: calc(var(--r-lg) - 1px);
  border-bottom-right-radius: calc(var(--r-lg) - 1px);
}

/* Interactive */
.card-lift {
  transition: transform var(--t-normal), box-shadow var(--t-normal);
  cursor: pointer;
}
.card-lift:hover { transform: translateY(-3px); box-shadow: var(--sh-lg); }

/* Stat card */
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
}
.stat-card__text { flex: 1; }
.stat-label { font-size: var(--text-2xs); font-weight: var(--fw-semibold); letter-spacing: var(--ls-widest); text-transform: uppercase; color: var(--color-text-muted); margin-bottom: var(--sp-2); }
.stat-value { font-family: var(--font-display); font-size: var(--text-3xl); line-height: 1.1; color: var(--color-text); }
.stat-sub   { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--sp-1); }
.stat-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: var(--sp-1);
}

/* Class / booking card */
.class-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
  padding: var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  transition: box-shadow var(--t-normal);
}
.class-card:hover { box-shadow: var(--sh-md); }
.class-card__time {
  min-width: 64px;
  text-align: center;
  flex-shrink: 0;
}
.class-card__time-hour  { font-family: var(--font-display); font-size: var(--text-xl); line-height: 1; }
.class-card__time-label { font-size: var(--text-2xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: var(--ls-wide); }
.class-card__divider    { width: 1px; height: 48px; background: var(--color-border); flex-shrink: 0; }
.class-card__body       { flex: 1; min-width: 0; }
.class-card__title      { font-family: var(--font-display); font-size: var(--text-md); font-weight: var(--fw-regular); margin-bottom: var(--sp-1); }
.class-card__meta       { font-size: var(--text-xs); color: var(--color-text-muted); display: flex; align-items: center; gap: var(--sp-3); }
.class-card__meta i     { font-size: 0.8rem; }

/* Settings Tabs / Admin Tabs */
.admin-tab {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  color: var(--color-text-sub);
  background: transparent;
  border: none;
  border-left: 3px solid transparent;
  font-weight: var(--fw-medium);
  cursor: pointer;
  text-align: left;
  transition: var(--transition-fast);
  border-radius: 0;
  width: 100%;
}
.admin-tab i {
  font-size: 1.1rem;
  opacity: 0.6;
}
.admin-tab:hover {
  background: var(--color-bg);
  color: var(--color-text);
}
.admin-tab:hover i {
  opacity: 0.9;
}
.admin-tab.active {
  background: var(--clr-sand-50);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}
.admin-tab.active i {
  opacity: 1;
}

/* ── 8. Badges ────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.01em;
  line-height: 1;
  padding: 0.25rem 0.6rem;
  border-radius: var(--r-pill);
  white-space: nowrap;
}

.badge-primary   { background: var(--color-primary-mist);   color: var(--color-primary-dark); }
.badge-secondary { background: var(--color-secondary-mist); color: var(--color-secondary-dark); }
.badge-accent    { background: var(--color-accent-mist);    color: var(--color-accent-dark); }
.badge-success   { background: var(--color-success-mist);   color: var(--color-success); }
.badge-warning   { background: var(--color-warning-mist);   color: var(--color-warning); }
.badge-danger    { background: var(--color-danger-mist);    color: var(--color-danger); }
.badge-info      { background: var(--color-info-mist);      color: var(--color-info); }
.badge-neutral   { background: var(--clr-light-200);        color: var(--color-text-sub); }
.badge-dark      { background: var(--color-surface-dark);   color: var(--color-text-inverse); }
.badge-sand      { background: var(--clr-sand-200);         color: var(--clr-dark-500); }

/* dot indicator */
.badge::before {
  display: none;
}
.badge.with-dot::before {
  display: block;
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.8;
  flex-shrink: 0;
}

/* ── 9. Alerts ────────────────────────────────────────────────────── */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-md);
  font-size: var(--text-xs);
  line-height: var(--lh-normal);
  border: 1px solid transparent;
}
.alert i { flex-shrink: 0; margin-top: 1px; font-size: 0.9rem; }
.alert p  { margin-top: var(--sp-1); font-size: var(--text-xs); opacity: 0.85; }

.alert-success { background: var(--color-success-mist); color: var(--color-success); border-color: rgba(59, 125, 107, 0.18); }
.alert-warning { background: var(--color-warning-mist); color: var(--color-warning); border-color: rgba(179, 138, 53, 0.18); }
.alert-danger  { background: var(--color-danger-mist);  color: var(--color-danger);  border-color: rgba(181,  64,  64, 0.18); }
.alert-info    { background: var(--color-info-mist);    color: var(--color-info);    border-color: rgba( 61, 107, 163, 0.18); }
.alert-neutral { background: var(--color-bg);           color: var(--color-text-sub); border-color: var(--color-border-md); }

/* ── 10. Public Navigation ────────────────────────────────────────── */

.pub-nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  height: var(--topbar-h);
  z-index: var(--z-sticky);
  background: rgba(249, 247, 244, 0.88);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
}

.pub-nav__inner {
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-8);
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.pub-nav__brand { flex-shrink: 0; display: flex; align-items: center; }
.pub-nav__brand img { height: 34px; }

.pub-nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
  margin: 0 auto;
}

.pub-nav__link {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
  letter-spacing: 0.01em;
}
.pub-nav__link:hover { color: var(--color-primary); background: var(--color-primary-mist); }
.pub-nav__link.active { color: var(--color-primary); }

.pub-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.pub-nav__divider {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--t-fast);
}
.pub-nav__divider:hover { color: var(--color-primary); }

/* ── 11. Sidebar ──────────────────────────────────────────────────── */

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar--dark {
  background: var(--color-surface-dark);
  border-right-color: rgba(255, 255, 255, 0.07);
}

.sidebar__top {
  height: var(--topbar-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 var(--sp-5);
  border-bottom: 1px solid var(--color-border);
  gap: var(--sp-3);
}
.sidebar--dark .sidebar__top { border-bottom-color: rgba(255, 255, 255, 0.07); }
.sidebar__top img { height: 28px; }

.sidebar__body {
  flex: 1;
  padding: var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  overflow-y: auto;
}

.sidebar__section-label {
  font-size: var(--text-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0 var(--sp-3);
  margin-bottom: var(--sp-2);
}
.sidebar--dark .sidebar__section-label { color: rgba(255, 255, 255, 0.3); }

.sidebar__nav { display: flex; flex-direction: column; gap: 2px; padding: 0; margin: 0; }

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-3);
  border-radius: var(--r-md);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  transition: all var(--t-fast);
}
.sidebar__link i { font-size: 0.9rem; flex-shrink: 0; opacity: 0.7; }
.sidebar__link:hover { background: var(--color-bg); color: var(--color-primary); }
.sidebar__link:hover i { opacity: 1; }
.sidebar__link.active {
  background: var(--color-primary-mist);
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}
.sidebar__link.active i { opacity: 1; }

.sidebar--dark .sidebar__link { color: rgba(255, 255, 255, 0.55); }
.sidebar--dark .sidebar__link:hover { background: rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.92); }
.sidebar--dark .sidebar__link.active { background: rgba(140, 120, 97, 0.22); color: var(--clr-taupe-300); }
.sidebar--dark .sidebar__link.active i { opacity: 1; }

.sidebar__badge {
  margin-left: auto;
  font-size: var(--text-2xs);
  font-weight: var(--fw-semibold);
  background: var(--color-primary-mist);
  color: var(--color-primary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--r-pill);
  line-height: 1.4;
}
.sidebar--dark .sidebar__badge { background: rgba(140, 120, 97, 0.3); color: var(--clr-taupe-300); }

.sidebar__footer {
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}
.sidebar--dark .sidebar__footer { border-top-color: rgba(255, 255, 255, 0.07); }

/* User row in sidebar */
.sidebar__user {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-2);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--t-fast);
}
.sidebar__user:hover { background: var(--color-bg); }
.sidebar--dark .sidebar__user:hover { background: rgba(255, 255, 255, 0.07); }
.sidebar__user-name  { font-size: var(--text-xs); font-weight: var(--fw-medium); color: var(--color-text); }
.sidebar__user-role  { font-size: var(--text-2xs); color: var(--color-text-muted); }
.sidebar--dark .sidebar__user-name { color: rgba(255, 255, 255, 0.9); }
.sidebar--dark .sidebar__user-role { color: rgba(255, 255, 255, 0.4); }

/* ── 12. App Shell ────────────────────────────────────────────────── */

.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--color-bg);
  position: relative;
}

.app-shell__backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1040;
}
.app-shell--sidebar-open .app-shell__backdrop { display: block; }

.app-shell__hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.5rem;
  margin-right: var(--sp-3);
  padding: 0;
}


.app-shell__sidebar {
  flex-shrink: 0;
  height: 100%;
  overflow-y: auto;
}

.app-shell__main {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-shell__topbar {
  height: var(--topbar-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 var(--sp-8);
  gap: var(--sp-4);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.app-shell__topbar-title {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  flex: 1;
}

.app-shell__content {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-8);
}

/* Page header inside content */
.page-header {
  margin-bottom: var(--sp-8);
}
.page-header__eyebrow { margin-bottom: var(--sp-2); }
.page-header__title   { font-family: var(--font-display); font-size: var(--text-2xl); color: var(--color-text); margin-bottom: var(--sp-2); }
.page-header__lead    { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 520px; }

/* ── 13. Tables ───────────────────────────────────────────────────── */

.table-wrapper {
  overflow: visible;
  border-radius: var(--r-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--sh-sm);
  background: var(--color-surface);
}

.table {
  width: 100%;
  border-collapse: collapse;
  --bs-table-bg: transparent;
}

.table thead th {
  background: var(--color-bg);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: left;
  border-bottom: 1px solid var(--color-border-md);
  white-space: nowrap;
}

.table tbody td {
  padding: var(--sp-4);
  font-size: var(--text-xs);
  color: var(--color-text-sub);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: var(--color-bg); }

/* Capacity bar in table */
.capacity-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-width: 140px;
}
.capacity-bar__track {
  flex: 1;
  height: 6px;
  background: var(--color-border-md);
  border-radius: var(--r-pill);
  overflow: hidden;
}
.capacity-bar__fill {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--color-secondary);
  transition: width 0.6s var(--ease-out);
}
.capacity-bar__fill--full    { background: var(--color-success); }
.capacity-bar__fill--warning { background: var(--color-warning); }
.capacity-bar__label { font-size: var(--text-2xs); color: var(--color-text-muted); white-space: nowrap; }

/* ── 14. Avatars ──────────────────────────────────────────────────── */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-primary-mist);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  line-height: 1;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.avatar-2xs { width: 20px; height: 20px; font-size: 9px; }
.avatar-xs  { width: 28px; height: 28px; font-size: var(--text-2xs); }
.avatar-sm  { width: 36px; height: 36px; font-size: var(--text-xs); }
.avatar-md  { width: 44px; height: 44px; font-size: var(--text-sm); }
.avatar-lg  { width: 56px; height: 56px; font-size: var(--text-md); }
.avatar-xl  { width: 72px; height: 72px; font-size: var(--text-xl); }

/* ── 15. Icon Boxes ───────────────────────────────────────────────── */

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--r-md);
}
.icon-box-sm  { width: 36px;  height: 36px;  font-size: 0.875rem; }
.icon-box-md  { width: 48px;  height: 48px;  font-size: 1.1rem; }
.icon-box-lg  { width: 60px;  height: 60px;  font-size: 1.4rem; }
.icon-box-xl  { width: 72px;  height: 72px;  font-size: 1.6rem; }
.icon-box-2xl { width: 88px;  height: 88px;  font-size: 2rem; }
.icon-box-round { border-radius: 50% !important; }

.icon-box-primary   { background: var(--color-primary-mist);   color: var(--color-primary); }
.icon-box-secondary { background: var(--color-secondary-mist); color: var(--color-secondary); }
.icon-box-accent    { background: var(--color-accent-mist);    color: var(--color-accent); }
.icon-box-success   { background: var(--color-success-mist);   color: var(--color-success); }
.icon-box-warning   { background: var(--color-warning-mist);   color: var(--color-warning); }
.icon-box-danger    { background: var(--color-danger-mist);    color: var(--color-danger); }
.icon-box-info      { background: var(--color-info-mist);      color: var(--color-info); }
.icon-box-neutral   { background: var(--clr-light-200);        color: var(--color-text-sub); }
.icon-box-sand      { background: var(--clr-sand-200);         color: var(--clr-dark-500); }

/* ── 16. Empty States ─────────────────────────────────────────────── */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-16) var(--sp-8);
  gap: var(--sp-4);
}
.empty-state__icon  { font-size: 2.75rem; color: var(--color-text-muted); opacity: 0.4; }
.empty-state__title { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); }
.empty-state__body  { font-size: var(--text-xs); color: var(--color-text-muted); max-width: 320px; line-height: var(--lh-relaxed); }

/* ── 17. Progress & Skeletons ─────────────────────────────────────── */

/* Progress bar */
.progress {
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--color-border-md);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--color-primary);
  transition: width 0.5s var(--ease-out);
}
.progress-bar--secondary { background: var(--color-secondary); }
.progress-bar--success   { background: var(--color-success); }
.progress-bar--warning   { background: var(--color-warning); }
.progress-bar--danger    { background: var(--color-danger); }

/* Spinner */
.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--color-border-md);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: ffe-spin 0.7s linear infinite;
  flex-shrink: 0;
}
.spinner-sm { width: 1rem; height: 1rem; }
.spinner-lg { width: 1.75rem; height: 1.75rem; border-width: 3px; }
@keyframes ffe-spin { to { transform: rotate(360deg); } }

/* Skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-border) 25%,
    var(--clr-light-200) 50%,
    var(--color-border) 75%
  );
  background-size: 200% 100%;
  animation: ffe-shimmer 1.5s infinite;
  border-radius: var(--r-sm);
}
@keyframes ffe-shimmer { to { background-position: -200% 0; } }

/* ── 18. Dividers ─────────────────────────────────────────────────── */

.divider { height: 1px; border: none; background: var(--color-border); margin: 0; }
.divider--md  { background: var(--color-border-md); }
.divider--strong { background: var(--color-border-strong); }
.divider--v   { width: 1px; height: 100%; display: inline-block; background: var(--color-border); }

/* ── 19. Responsive overrides ─────────────────────────────────────── */

@media (max-width: 1024px) {
  .container { padding: 0 var(--sp-6); }
  .app-shell__hamburger { display: flex; }
  .app-shell__sidebar { 
    position: fixed;
    top: 0;
    bottom: 0;
    left: -100%;
    z-index: 1050;
    display: flex;
    transition: left 0.3s ease;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
  }
  .app-shell--sidebar-open .app-shell__sidebar { left: 0; }
  .app-shell__content { padding: var(--sp-6); }
}

@media (max-width: 768px) {
  :root { --topbar-h: 60px; }
  .container { padding: 0 var(--sp-5); }
  .pub-nav__links { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .app-shell__content { padding: var(--sp-4); }
  .section    { padding-top: var(--sp-12); padding-bottom: var(--sp-12); }
  .section-lg { padding-top: var(--sp-16); padding-bottom: var(--sp-16); }
  .stat-card { flex-direction: row; }
}