/* ============================================================
   Powly Component Classes
   ============================================================
   Reusable UI components built on top of tokens.css.
   Requires: css/tokens.css loaded first.

   Naming: flat, short class names. No BEM, no prefixes.
   Components can be composed: <button class="btn btn-primary btn-sm">

   Migration guide:
     Old:  style="background:#3b82f6; color:white; padding:12px 16px; border-radius:8px"
     New:  class="btn btn-primary"
   ============================================================ */


/* =========================
   BUTTONS
   ========================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  font-family: inherit;
  line-height: 1.15;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  user-select: none;
  white-space: nowrap;
  box-sizing: border-box;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* -- Variants -- */

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface-hover);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface-active);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-text-inverse);
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-ghost {
  background: none;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.btn-dashed {
  background: none;
  border: 2px dashed var(--color-border);
  color: var(--color-text-secondary);
  width: 100%;
}
.btn-dashed:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* -- Sizes -- */

.btn-sm {
  padding: 6px 12px;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 24px;
  font-size: var(--text-lg);
}

.btn-icon {
  padding: 8px;
  line-height: 1;
}


/* =========================
   CARDS
   ========================= */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-sizing: border-box;
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  transition: all var(--transition-normal);
}

.card-highlight {
  background: var(--color-primary-light);
  border-color: var(--color-primary-muted);
}

.card-muted {
  background: var(--color-bg);
}


/* =========================
   INPUTS
   ========================= */

.input,
.select,
.textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  outline: none;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.input-sm {
  padding: 6px 8px;
  font-size: var(--text-base);
  border-radius: var(--radius-sm);
}

.select {
  cursor: pointer;
  appearance: auto;
}

.textarea {
  min-height: 80px;
  resize: vertical;
  line-height: var(--leading-normal);
}


/* =========================
   CHIPS & BADGES
   ========================= */

/* Pill chip (filter chips, country chips) */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Soft active (light bg + colored text) — default */
.chip-active,
.chip.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Fill modifier: solid active (colored bg + white text) */
.chip-fill.active,
.chip.chip-fill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Block chip (category selection, auth tabs) */
.chip-block {
  flex: 1;
  padding: 10px 8px;
  border-radius: var(--radius-md);
  background: var(--color-surface-hover);
  border: 2px solid transparent;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-normal);
}

.chip-block:hover {
  background: var(--color-surface-active);
}

.chip-block.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.chip-block.chip-fill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Dark mode overrides for chips */
.dark .chip {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-text-secondary);
}
.dark .chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.dark .chip.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.dark .chip-block {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-muted);
}
.dark .chip-block:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* Badge (non-interactive status label) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: 1.4;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-danger {
  background: var(--color-danger-light);
  color: var(--color-danger);
}


/* =========================
   MODAL
   ========================= */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10003;           /* above nav bar (10002) */
  align-items: center;
  justify-content: center;
}

.modal.open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 90%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-title {
  margin: 0 0 var(--space-5);
  font-size: 1.4rem;
  font-weight: var(--font-bold);
  color: var(--color-text);
  text-align: center;
}

.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: 28px;
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

/* Dark mode */
.dark .modal-content {
  background: var(--color-bg);
}


/* =========================
   TOGGLE SWITCH
   ========================= */

.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
  display: inline-block;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-track {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
  transition: background var(--transition-normal);
}

.toggle-track::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-normal);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.toggle input:checked + .toggle-track {
  background: var(--color-primary);
}

.toggle input:checked + .toggle-track::before {
  transform: translateX(20px);
}


/* =========================
   TABS
   ========================= */

/* Underline tabs (page navigation) */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
}

.tab {
  padding: var(--space-2) var(--space-5);
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: var(--text-md);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  position: relative;
  top: 1px;
  transition: all var(--transition-normal);
  background: none;
  user-select: none;
}

.tab:hover {
  color: var(--color-text);
}

.tab.active {
  color: var(--color-primary);
  background: var(--color-surface);
  border-color: var(--color-border);
  font-weight: var(--font-semibold);
}

/* Pill tabs (in-modal switching) */
.tabs-pill {
  display: flex;
  gap: var(--space-2);
}

.tab-pill {
  flex: 1;
  padding: 10px;
  background: var(--color-surface-hover);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-normal);
}

.tab-pill:hover {
  background: var(--color-surface-active);
}

.tab-pill.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}


/* =========================
   ALERTS / BANNERS
   ========================= */

.alert {
  padding: 10px var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  text-align: center;
}

.alert-error {
  background: var(--color-danger-light);
  border: 1px solid #fecaca;
  color: var(--color-danger);
}

.alert-success {
  background: var(--color-success-light);
  border: 1px solid #a7f3d0;
  color: var(--color-success);
}

.alert-info {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-muted);
  color: var(--color-primary);
}


/* =========================
   UTILITIES
   ========================= */

/* Text */
.text-primary   { color: var(--color-text); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted     { color: var(--color-text-muted); }
.text-brand     { color: var(--color-brand); }
.text-success   { color: var(--color-success); }
.text-danger    { color: var(--color-danger); }
.text-center    { text-align: center; }

/* Font */
.font-medium    { font-weight: var(--font-medium); }
.font-semibold  { font-weight: var(--font-semibold); }
.font-bold      { font-weight: var(--font-bold); }
.font-mono      { font-family: var(--font-mono); }

/* Flex */
.flex           { display: flex; }
.flex-col       { flex-direction: column; }
.flex-wrap      { flex-wrap: wrap; }
.items-center   { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1          { gap: var(--space-1); }
.gap-2          { gap: var(--space-2); }
.gap-3          { gap: var(--space-3); }
.gap-4          { gap: var(--space-4); }

/* Spacing */
.mt-1  { margin-top: var(--space-1); }
.mt-2  { margin-top: var(--space-2); }
.mt-3  { margin-top: var(--space-3); }
.mt-4  { margin-top: var(--space-4); }
.mb-1  { margin-bottom: var(--space-1); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-3  { margin-bottom: var(--space-3); }
.mb-4  { margin-bottom: var(--space-4); }

/* Display */
.hidden         { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}