/* =========================================================
   SAMVIDHAN SARAL — COMPONENTS CSS
   Buttons, cards, chips, search, forms, segmented controls.
   ========================================================= */

/* --------------------------------------------------
   BUTTONS
-------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch-min);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast),
              box-shadow var(--transition-fast), transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  white-space: nowrap;
  border: none;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Primary */
.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover { background: var(--color-accent-light); }
.btn--primary:active { background: var(--color-accent-dark); }

/* Secondary (outlined) */
.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border-strong);
}
.btn--secondary:hover {
  background: var(--color-bg);
  border-color: var(--color-primary);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--color-accent);
}
.btn--ghost:hover {
  background: rgba(224,90,12,0.08);
}

/* Civic (blue) */
.btn--civic {
  background: var(--color-civic);
  color: #fff;
}
.btn--civic:hover { background: var(--color-civic-light); }

/* Dark */
.btn--dark {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}
.btn--dark:hover { background: var(--color-primary-light); }

/* Sizes */
.btn--sm {
  min-height: 36px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}
.btn--lg {
  min-height: var(--touch-lg);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}
.btn--full { width: 100%; }

/* Icon only */
.btn--icon {
  width: var(--touch-min);
  height: var(--touch-min);
  padding: 0;
  border-radius: var(--radius-md);
}

/* --------------------------------------------------
   SEARCH BAR
-------------------------------------------------- */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 0 var(--space-4);
  height: 48px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(224,90,12,0.12);
}

.search-bar__icon {
  color: var(--color-text-tertiary);
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.search-bar__input {
  flex: 1;
  font-size: var(--text-base);
  color: var(--color-text);
  background: transparent;
  outline: none;
  min-width: 0;
}

.search-bar__input::placeholder {
  color: var(--color-text-tertiary);
}

.search-bar__clear {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.search-bar__clear:hover {
  background: var(--color-border-strong);
}

/* --------------------------------------------------
   CHIP / FILTER TAG
-------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  min-height: 36px;
}

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

.chip.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

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

.chip-group {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-1);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.chip-group::-webkit-scrollbar {
  display: none;
}

/* --------------------------------------------------
   SEGMENTED CONTROL
-------------------------------------------------- */
.segmented {
  display: flex;
  align-items: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 3px;
  gap: 2px;
}

.segmented__item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-height: 36px;
  white-space: nowrap;
}

.segmented__item.is-active {
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------
   CARD - Base
-------------------------------------------------- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card--interactive {
  cursor: pointer;
}

.card--interactive:active {
  transform: scale(0.99);
}

.card__body {
  padding: var(--space-4);
}

.card__footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

/* --------------------------------------------------
   ARTICLE CARD
   Constitution article display card
-------------------------------------------------- */
.article-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  box-shadow: var(--shadow-md);
}

.article-card:active {
  transform: scale(0.99);
}

.article-card__accent {
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-civic) 100%);
}

.article-card__body {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.article-card__num-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.article-card__number {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.article-card__part {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  background: var(--color-bg-alt);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

.article-card__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: var(--leading-snug);
}

.article-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.article-card__tag {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --------------------------------------------------
   NOTICE CARD
   Replaces blog concept — Notice card only
-------------------------------------------------- */
.notice-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition-base);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4);
}

.notice-card:hover {
  box-shadow: var(--shadow-md);
}

.notice-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(224,90,12,0.08);
  color: var(--color-accent);
}

.notice-card__content {
  flex: 1;
  min-width: 0;
}

.notice-card__type {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.notice-card__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notice-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* --------------------------------------------------
   FORMS
-------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.form-label span {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  min-height: var(--touch-min);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(224,90,12,0.10);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* --------------------------------------------------
   LANGUAGE SWITCHER
-------------------------------------------------- */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 30px;
  display: flex;
  align-items: center;
}

.lang-btn.is-active {
  background: var(--color-surface);
  color: var(--color-accent);
  box-shadow: var(--shadow-xs);
}

/* --------------------------------------------------
   ACCORDION / EXPANDABLE SECTION
   Used in article detail page for understanding layers
-------------------------------------------------- */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  background: var(--color-surface);
  cursor: pointer;
  gap: var(--space-3);
  min-height: var(--touch-min);
  transition: background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.accordion__trigger:hover {
  background: var(--color-bg);
}

.accordion__trigger-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-align: left;
  flex: 1;
}

.accordion__trigger-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-base);
  background: var(--color-bg-alt);
}

.accordion__trigger-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
}

.accordion__chevron {
  width: 18px;
  height: 18px;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.accordion__item.is-open .accordion__chevron {
  transform: rotate(180deg);
}

.accordion__body {
  display: none;
  padding: var(--space-4);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.accordion__item.is-open .accordion__body {
  display: block;
}

.accordion__body p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-3);
}

.accordion__body p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------
   INFO ROW (key-value display)
-------------------------------------------------- */
.info-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row__key {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  min-width: 100px;
  flex-shrink: 0;
}

.info-row__val {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: var(--leading-normal);
}

/* --------------------------------------------------
   TOAST NOTIFICATION
-------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + var(--space-3) + var(--safe-bottom));
  left: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

@media (min-width: 768px) {
  .toast-container {
    bottom: var(--space-6);
    left: auto;
    right: var(--space-6);
    max-width: 360px;
  }
}

.toast {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: toastIn 0.25s var(--ease-spring) both;
}

.toast--success { background: var(--color-success); }
.toast--error   { background: var(--color-error); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* --------------------------------------------------
   LOADING SKELETON
-------------------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-border) 25%,
    var(--color-bg-alt) 50%,
    var(--color-border) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-wave 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-wave {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --------------------------------------------------
   ICON BOX (decorative)
-------------------------------------------------- */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-box--accent {
  background: rgba(224,90,12,0.10);
  color: var(--color-accent);
}

.icon-box--civic {
  background: rgba(27,95,158,0.10);
  color: var(--color-civic);
}

.icon-box--primary {
  background: rgba(28,43,74,0.08);
  color: var(--color-primary);
}

/* --------------------------------------------------
   PART LABEL (Constitutional Part display)
-------------------------------------------------- */
.part-label {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

/* =========================================================
   PHASE 2 ADDITIONS
   ========================================================= */

/* Article list item (Explore) */
.article-list-item {
  display: block;
  transition: background var(--transition-fast);
  border-radius: var(--radius-sm);
  -webkit-tap-highlight-color: transparent;
}
.article-list-item:hover,
.article-list-item:active {
  background: var(--color-bg-alt);
}

/* Explore tab */
.explore-tab:focus { outline: none; }

/* Jump pill hover */
.jump-pill:active {
  background: var(--color-bg-alt);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Lang segmented control (article page) */
.lang-seg__btn:active { transform: scale(0.97); }

/* Article hero min for readability */
@media (min-width: 768px) {
  .article-hero { padding: var(--space-12) 0 var(--space-14); }
  .article-hero__title { font-size: var(--text-4xl); }
}

/* Homepage continue reading scroll */
#continue-list::-webkit-scrollbar { display: none; }

/* Proof snippet hover */
.proof-link:hover { opacity: 0.85; }