/* ==========================================================================
   Components — buttons, cards, badges, forms, tables, tabs, accordion, toggle
   ========================================================================== */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  line-height: 1;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              background-color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out);
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn i, .btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); }

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}
.btn-secondary:hover { background: #000; transform: translateY(-1px); }

.btn-ghost {
  background: var(--color-card);
  color: var(--text-base);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}
.btn-ghost:hover { background: var(--surface-hover); border-color: var(--color-border-strong); }

.btn-soft {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.btn-soft:hover { background: #ffd9dd; }

.btn-outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--text-base);
}
.btn-outline:hover { border-color: var(--color-secondary); color: var(--text-strong); }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #d93636; }

.btn-lg { padding: 15px 26px; font-size: var(--fs-md); }
.btn-sm { padding: 9px 14px; font-size: var(--fs-sm); }
.btn-icon { padding: 10px; width: 40px; height: 40px; border-radius: var(--radius-sm); }
.btn-block { width: 100%; }

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

/* Google btn */
.btn-google {
  background: #fff; color: var(--text-base);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}
.btn-google:hover { background: var(--surface-hover); }
.btn-google img { width: 18px; height: 18px; }

/* Ripple */
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: rgba(255,255,255,0.5);
  animation: ripple 0.6s var(--ease-out);
  pointer-events: none;
}
.btn-ghost .ripple, .btn-outline .ripple, .btn-google .ripple { background: rgba(17,24,39,0.12); }

/* ---- Cards ---- */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: var(--space-6); }
.card-hover {
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-border-strong); }

.card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.card-head h3 { font-size: var(--fs-lg); font-weight: var(--fw-bold); }
.card-body { padding: var(--space-6); }

/* ---- Badges ---- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-xs); font-weight: var(--fw-semibold);
  padding: 5px 11px; border-radius: var(--radius-pill);
  line-height: 1;
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-success { background: var(--color-success-soft); color: var(--color-success); }
.badge-warning { background: var(--color-warning-soft); color: #B9770B; }
.badge-danger  { background: var(--color-danger-soft);  color: var(--color-danger); }
.badge-info    { background: var(--color-info-soft);    color: var(--color-info); }
.badge-muted   { background: var(--surface-active);     color: var(--text-muted); }
.badge-primary { background: var(--color-primary-soft); color: var(--color-primary); }

.badge-pro {
  background: linear-gradient(135deg, #FF2036, #FF6A4D);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255,32,54,0.3);
}

/* ---- Chips / tags ---- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--radius-pill);
  background: var(--surface-hover); color: var(--text-muted);
  font-size: var(--fs-sm); font-weight: var(--fw-medium);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.chip:hover { background: var(--surface-active); color: var(--text-base); }
.chip.active { background: var(--color-secondary); color: #fff; border-color: var(--color-secondary); }

/* ---- Forms ---- */
.field { margin-bottom: var(--space-5); }
.label {
  display: block; font-size: var(--fs-sm); font-weight: var(--fw-semibold);
  color: var(--text-base); margin-bottom: var(--space-2);
}
.hint { font-size: var(--fs-xs); color: var(--text-soft); margin-top: 6px; }

.input, .textarea, .select {
  width: 100%;
  background: var(--color-card);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: var(--fs-base);
  color: var(--text-strong);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.input::placeholder, .textarea::placeholder { color: var(--text-soft); }
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-softer);
}
.textarea { resize: vertical; min-height: 96px; }

.input-group { position: relative; display: flex; align-items: center; }
.input-group .icon-left {
  position: absolute; left: 14px; color: var(--text-soft);
  width: 18px; height: 18px; pointer-events: none;
}
.input-group .input { padding-left: 42px; }
.input-group .toggle-pass {
  position: absolute; right: 12px; color: var(--text-soft);
  padding: 6px; border-radius: 8px;
}
.input-group .toggle-pass:hover { color: var(--text-base); background: var(--surface-hover); }

.input-affix {
  display: flex; align-items: stretch;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.input-affix:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-softer); }
.input-affix .input { border: none; box-shadow: none !important; }
.input-affix .affix {
  display: flex; align-items: center; padding: 0 14px;
  background: var(--surface-hover); color: var(--text-muted);
  font-weight: var(--fw-semibold); font-size: var(--fs-sm);
  border-left: 1px solid var(--color-border);
}

/* Checkbox / radio */
.check {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: var(--fs-base); color: var(--text-base); cursor: pointer; user-select: none;
}
.check input { position: absolute; opacity: 0; }
.check .box {
  width: 20px; height: 20px; border-radius: 6px;
  border: 1.5px solid var(--color-border-strong); background: #fff;
  display: grid; place-items: center; flex-shrink: 0;
  transition: all var(--dur-fast) var(--ease-out);
}
.check .box i { width: 13px; height: 13px; color: #fff; opacity: 0; transform: scale(0.5); transition: all var(--dur-fast) var(--ease-out); }
.check input:checked + .box { background: var(--color-primary); border-color: var(--color-primary); }
.check input:checked + .box i { opacity: 1; transform: scale(1); }

.radio { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.radio input { position: absolute; opacity: 0; }
.radio .dot {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--color-border-strong); background: #fff; flex-shrink: 0;
  display: grid; place-items: center;
  transition: all var(--dur-fast) var(--ease-out);
}
.radio .dot::after { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--color-primary); transform: scale(0); transition: transform var(--dur-fast) var(--ease-spring); }
.radio input:checked + .dot { border-color: var(--color-primary); }
.radio input:checked + .dot::after { transform: scale(1); }

/* Switch */
.switch { position: relative; display: inline-block; width: 44px; height: 26px; flex-shrink: 0; }
.switch input { position: absolute; opacity: 0; }
.switch .track {
  position: absolute; inset: 0; background: #D9D9DF; border-radius: 999px;
  transition: background var(--dur) var(--ease-out); cursor: pointer;
}
.switch .track::before {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; background: #fff; border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease-spring);
}
.switch input:checked + .track { background: var(--color-primary); }
.switch input:checked + .track::before { transform: translateX(18px); }

/* Segmented control */
.segmented {
  display: inline-flex; background: var(--surface-active);
  border-radius: var(--radius-pill); padding: 4px; gap: 2px;
}
.segmented button {
  padding: 8px 16px; border-radius: var(--radius-pill);
  font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--text-muted);
  transition: all var(--dur-fast) var(--ease-out);
}
.segmented button.active { background: #fff; color: var(--text-strong); box-shadow: var(--shadow-xs); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); }
.table { width: 100%; font-size: var(--fs-base); }
.table thead th {
  text-align: left; font-size: var(--fs-xs); font-weight: var(--fw-semibold);
  text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-soft);
  padding: 14px 18px; background: var(--surface-hover);
  border-bottom: 1px solid var(--color-border); white-space: nowrap;
}
.table tbody td {
  padding: 15px 18px; border-bottom: 1px solid var(--color-border);
  color: var(--text-base); vertical-align: middle;
}
.table tbody tr { transition: background var(--dur-fast) var(--ease-out); }
.table tbody tr:hover { background: var(--surface-hover); }
.table tbody tr:last-child td { border-bottom: none; }
.table .num { font-variant-numeric: tabular-nums; }
.td-strong { font-weight: var(--fw-semibold); color: var(--text-strong); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); }
.tab {
  padding: 12px 16px; font-size: var(--fs-base); font-weight: var(--fw-semibold);
  color: var(--text-muted); position: relative; transition: color var(--dur-fast) var(--ease-out);
}
.tab:hover { color: var(--text-base); }
.tab.active { color: var(--color-primary); }
.tab.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--color-primary); border-radius: 2px;
}
.tab-panel { display: none; animation: fadeInUp var(--dur) var(--ease-out); }
.tab-panel.active { display: block; }

/* Accordion */
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); padding: var(--space-5) 0; text-align: left;
  font-weight: var(--fw-semibold); font-size: var(--fs-lg); color: var(--text-strong);
}
.accordion-trigger .chev { transition: transform var(--dur) var(--ease-out); color: var(--text-muted); flex-shrink: 0; }
.accordion-item.open .accordion-trigger .chev { transform: rotate(180deg); color: var(--color-primary); }
.accordion-content { overflow: hidden; max-height: 0; transition: max-height var(--dur-slow) var(--ease-out); }
.accordion-content p { padding: 0 0 var(--space-5); color: var(--text-muted); }

/* Avatar */
.avatar {
  border-radius: 50%; object-fit: cover; background: var(--surface-active);
  display: inline-grid; place-items: center; font-weight: var(--fw-bold);
  color: var(--text-base); flex-shrink: 0;
}
.avatar-xs { width: 28px; height: 28px; font-size: 11px; }
.avatar-sm { width: 36px; height: 36px; font-size: 13px; }
.avatar-md { width: 44px; height: 44px; font-size: 15px; }
.avatar-lg { width: 64px; height: 64px; font-size: 20px; }
.avatar-xl { width: 88px; height: 88px; font-size: 28px; }
.avatar-primary { background: var(--color-primary-soft); color: var(--color-primary); }
.avatar-dark { background: var(--color-secondary); color: #fff; }

/* Progress */
.progress { height: 8px; background: var(--surface-active); border-radius: 999px; overflow: hidden; }
.progress .bar { height: 100%; background: var(--color-primary); border-radius: 999px; transition: width var(--dur-slow) var(--ease-out); }
.progress.thin { height: 6px; }

/* Divider */
.divider { height: 1px; background: var(--color-border); border: none; margin: var(--space-6) 0; }
.divider-text { display: flex; align-items: center; gap: 14px; color: var(--text-soft); font-size: var(--fs-sm); margin: var(--space-5) 0; }
.divider-text::before, .divider-text::after { content: ''; flex: 1; height: 1px; background: var(--color-border); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; right: 0; top: calc(100% + 10px);
  min-width: 220px; background: var(--color-card);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: 8px; z-index: var(--z-dropdown);
  opacity: 0; transform: translateY(-8px) scale(0.98); pointer-events: none;
  transform-origin: top right;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.dropdown.open .dropdown-menu { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.dropdown-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius-xs);
  font-size: var(--fs-base); color: var(--text-base); cursor: pointer; width: 100%;
  transition: background var(--dur-fast) var(--ease-out);
}
.dropdown-item:hover { background: var(--surface-hover); }
.dropdown-item i { width: 18px; height: 18px; color: var(--text-muted); }
.dropdown-item.danger { color: var(--color-danger); }
.dropdown-item.danger i { color: var(--color-danger); }
.dropdown-sep { height: 1px; background: var(--color-border); margin: 6px 4px; }
.dropdown-label { padding: 8px 12px 4px; font-size: var(--fs-xs); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-soft); }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(11,18,32,0.45);
  backdrop-filter: blur(4px); z-index: var(--z-modal);
  display: grid; place-items: center; padding: var(--space-5);
  opacity: 0; pointer-events: none; transition: opacity var(--dur) var(--ease-out);
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--color-card); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl); width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  transform: translateY(16px) scale(0.97); transition: transform var(--dur) var(--ease-spring);
}
.modal-backdrop.open .modal { transform: translateY(0) scale(1); }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; padding: var(--space-6) var(--space-6) var(--space-3); }
.modal-head h3 { font-size: var(--fs-xl); }
.modal-head p { color: var(--text-muted); font-size: var(--fs-base); margin-top: 4px; }
.modal-body { padding: var(--space-3) var(--space-6); }
.modal-foot { display: flex; gap: 12px; justify-content: flex-end; padding: var(--space-5) var(--space-6) var(--space-6); }
.modal-close { padding: 8px; border-radius: 10px; color: var(--text-muted); }
.modal-close:hover { background: var(--surface-hover); color: var(--text-base); }

/* Toast */
.toast-wrap { position: fixed; top: 20px; right: 20px; z-index: var(--z-toast); display: flex; flex-direction: column; gap: 10px; }
.toast {
  display: flex; align-items: center; gap: 12px;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  padding: 14px 18px; min-width: 280px; max-width: 380px;
  animation: toastIn var(--dur) var(--ease-spring);
}
.toast.hide { animation: toastOut var(--dur) var(--ease-out) forwards; }
.toast .ic { width: 20px; height: 20px; flex-shrink: 0; }
.toast-success .ic { color: var(--color-success); }
.toast-error .ic { color: var(--color-danger); }
.toast-info .ic { color: var(--color-info); }
.toast .msg { font-size: var(--fs-base); font-weight: var(--fw-medium); color: var(--text-strong); }

/* Skeleton */
.skeleton {
  background: linear-gradient(90deg, #EEE 25%, #F5F5F7 37%, #EEE 63%);
  background-size: 400% 100%; border-radius: 8px; animation: shimmer 1.4s ease infinite;
}

/* Tooltip helper */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(4px);
  background: var(--color-secondary); color: #fff; font-size: var(--fs-xs); font-weight: var(--fw-medium);
  padding: 6px 10px; border-radius: 8px; white-space: nowrap; pointer-events: none;
  opacity: 0; transition: opacity var(--dur-fast), transform var(--dur-fast); z-index: var(--z-dropdown);
}
[data-tooltip]:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Empty state */
.empty-state { text-align: center; padding: var(--space-16) var(--space-6); }
.empty-state .ill { width: 96px; height: 96px; margin: 0 auto var(--space-5); display: grid; place-items: center; border-radius: 24px; background: var(--color-primary-softer); color: var(--color-primary); }
.empty-state .ill i { width: 44px; height: 44px; }
.empty-state h3 { font-size: var(--fs-xl); margin-bottom: 8px; }
.empty-state p { color: var(--text-muted); max-width: 380px; margin: 0 auto var(--space-6); }