/* =====================================================================
   Greenwood High School — Components
   Reusable UI primitives: buttons, cards, badges, forms, media, lightbox.
   ===================================================================== */

/* ---- Buttons ----------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  min-height: 44px;
  text-decoration: none;
  transition: background var(--motion-base) var(--ease-out),
              color var(--motion-base) var(--ease-out),
              border-color var(--motion-base) var(--ease-out),
              box-shadow var(--motion-base) var(--ease-out),
              transform var(--motion-fast) var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.6; }
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-on);
  border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-primary-on);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-hover);
  border-color: var(--color-text-subtle);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) {
  background: #8C181F;
  border-color: #8C181F;
}

.btn-sm { padding: var(--space-2) var(--space-3); min-height: 36px; font-size: var(--fs-xs); }
.btn-lg { padding: var(--space-4) var(--space-6); min-height: 52px; font-size: var(--fs-base); }
.btn-block { display: flex; width: 100%; }

/* ---- Cards ------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: border-color var(--motion-base) var(--ease-out),
              box-shadow var(--motion-base) var(--ease-out);
}
.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  align-self: flex-start;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  font-size: var(--fs-xxs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}
.card-badge svg { width: 12px; height: 12px; }

.card-title {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
  line-height: var(--lh-snug);
  color: var(--color-text);
  overflow-wrap: anywhere;
}
.card-body {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  flex: 1;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  margin: 0;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  color: var(--color-text-subtle);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
}
.card-meta svg { width: 14px; height: 14px; flex-shrink: 0; }
.card-meta .meta-sep { color: var(--color-border-strong); }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  color: var(--color-primary);
}
.card-link:hover { color: var(--color-primary-hover); }
.card-link svg { width: 14px; height: 14px; transition: transform var(--motion-base) var(--ease-out); }
.card-link:hover svg { transform: translateX(2px); }

/* ---- Badges & chips --------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-xxs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  border-radius: var(--radius-pill);
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.badge-published { background: var(--color-success-soft); color: var(--color-success); border-color: transparent; }
.badge-draft { background: var(--color-accent-soft); color: var(--color-accent-hover); border-color: transparent; }
.badge-new { background: var(--color-primary-soft); color: var(--color-primary); border-color: transparent; }

/* ---- Forms ------------------------------------------------------- */
.form-group { margin-bottom: var(--space-5); }
.form-group label,
.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.form-group .hint,
.form-hint {
  font-size: var(--fs-xs);
  color: var(--color-text-subtle);
  margin-top: var(--space-2);
}
.form-group .error-text {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  margin-top: var(--space-2);
  display: none;
}
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: var(--color-danger);
}
.form-group.has-error .error-text { display: block; }

.input,
.textarea,
.select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  transition: border-color var(--motion-base) var(--ease-out),
              box-shadow var(--motion-base) var(--ease-out);
}
.input::placeholder,
.textarea::placeholder { color: var(--color-text-subtle); }
.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.input:disabled,
.textarea:disabled { background: var(--color-surface-muted); cursor: not-allowed; }

.textarea { resize: vertical; min-height: 140px; }

.input-with-icon { position: relative; }
.input-with-icon .input { padding-left: var(--space-10); }
.input-with-icon .input-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-subtle);
  pointer-events: none;
  display: flex;
}
.input-with-icon .input-icon svg { width: 18px; height: 18px; }
.input-with-icon .input-action {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-subtle);
  padding: var(--space-2);
  border-radius: var(--radius-xs);
}
.input-with-icon .input-action:hover { color: var(--color-primary); }
.input-with-icon .input-action svg { width: 18px; height: 18px; }

.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-text);
  font-weight: var(--fw-medium);
  min-height: 44px;
  cursor: pointer;
}
.form-checkbox input,
.form-radio input {
  width: 18px; height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ---- Media (in cards) ------------------------------------------- */
.card-media {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-4);
  margin-bottom: var(--space-1);
}
.card-media img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  cursor: zoom-in;
  transition: transform var(--motion-base) var(--ease-out);
}
.card-media img:hover { transform: scale(1.02); }
.card-media.is-single { grid-template-columns: 1fr; }
.card-media.is-single img { aspect-ratio: 16 / 10; }
.card-media.is-pair { grid-template-columns: 1fr 1fr; }
.card-media.is-pair img { aspect-ratio: 4 / 3; }

/* ---- Attachment rows -------------------------------------------- */
.attachments {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-2);
}
.attachment {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  min-width: 0;
}
.attachment .attach-icon {
  color: var(--color-primary);
  flex-shrink: 0;
  display: flex;
}
.attachment .attach-icon svg { width: 22px; height: 22px; }
.attachment .attach-body { flex: 1; min-width: 0; }
.attachment .attach-name {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.attachment .attach-type {
  font-size: var(--fs-xxs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--color-text-subtle);
  font-weight: var(--fw-medium);
}
.attachment .attach-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}
.attachment .attach-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-xs);
  text-decoration: none;
  min-height: 36px;
  transition: background var(--motion-base) var(--ease-out);
}
.attachment .attach-btn.view {
  background: var(--color-primary);
  color: var(--color-primary-on);
}
.attachment .attach-btn.view:hover { background: var(--color-primary-hover); }
.attachment .attach-btn.download {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}
.attachment .attach-btn.download:hover { background: var(--color-surface-hover); }

@media (max-width: 500px) {
  .attachment { flex-wrap: wrap; }
  .attachment .attach-actions { width: 100%; justify-content: flex-end; }
}

/* ---- Lightbox ---------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(7, 12, 22, 0.94);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.lightbox .lightbox-close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 44px; height: 44px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox .lightbox-close:hover { background: rgba(255,255,255,0.22); }
.lightbox .lightbox-close svg { width: 22px; height: 22px; }

/* ---- Empty / loading / error states ----------------------------- */
.state {
  text-align: center;
  padding: var(--space-16) var(--space-5);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.state.is-error { background: var(--color-danger-soft); border-color: transparent; color: var(--color-danger); }
.state .state-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-3);
  color: var(--color-text-subtle);
}
.state .state-icon svg { width: 36px; height: 36px; }
.state.is-error .state-icon { color: var(--color-danger); }
.state .state-title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.state.is-error .state-title { color: var(--color-danger); }
.state .state-text { font-size: var(--fs-sm); margin: 0; }

.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--color-border-strong);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-pill);
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
.spinner-lg { width: 36px; height: 36px; border-width: 3px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Toast notifications ---------------------------------------- */
.toast-region {
  position: fixed;
  top: calc(var(--header-height) + var(--space-4));
  right: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 360px;
  pointer-events: none;
}
.toast {
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  pointer-events: auto;
  animation: toast-in var(--motion-base) var(--ease-out);
}
.toast svg { width: 18px; height: 18px; flex-shrink: 0; }
.toast.is-success { background: var(--color-success); color: #fff; }
.toast.is-error { background: var(--color-danger); color: #fff; }
.toast.is-leaving { animation: toast-out var(--motion-base) var(--ease-out) forwards; }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  to { opacity: 0; transform: translateX(20px); }
}

@media (max-width: 600px) {
  .toast-region { left: var(--space-3); right: var(--space-3); max-width: none; }
}