/* ============================================================
   SOURCEHUB — COMPONENTS (Light)
   Buttons, Badges, Cards, Forms, Modals, Toasts
   ============================================================ */

/* ── BUTTONS ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: var(--f-display);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: var(--r-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  letter-spacing: -0.01em;
  line-height: 1;
}
.btn:active  { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; pointer-events: none; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}
.btn-primary:hover { background: #1D4ED8; box-shadow: 0 4px 14px rgba(37,99,235,0.35); transform: translateY(-1px); }

.btn-secondary {
  background: var(--white);
  color: var(--text);
  border-color: var(--border-2);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { background: var(--bg); border-color: var(--blue); color: var(--blue); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--bg-2); color: var(--text); }

.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: rgba(37,99,235,0.4);
}
.btn-outline:hover { background: var(--blue-light); border-color: var(--blue); }

.btn-danger {
  background: var(--rose-light);
  color: var(--rose);
  border-color: rgba(225,29,72,0.3);
}
.btn-danger:hover { background: var(--rose); color: #fff; }

.btn-green {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
  box-shadow: 0 2px 8px rgba(5,150,105,0.2);
}
.btn-green:hover { background: #047857; transform: translateY(-1px); }

.btn-sm  { padding: 0.45rem 0.9rem;  font-size: 0.82rem; border-radius: var(--r-sm); }
.btn-xs  { padding: 0.3rem  0.65rem; font-size: 0.75rem; border-radius: var(--r-sm); }
.btn-lg  { padding: 0.8rem  1.6rem;  font-size: 1rem;    border-radius: var(--r-lg); font-weight: 700; }
.btn-icon { padding: 0.5rem; width: 36px; height: 36px; border-radius: var(--r-md); }

/* ── BADGES ─────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--r-full);
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge-blue    { background: var(--blue-light);   color: var(--blue);   border-color: #BFDBFE; }
.badge-green   { background: var(--green-light);  color: var(--green);  border-color: #A7F3D0; }
.badge-amber   { background: var(--amber-light);  color: var(--amber);  border-color: #FDE68A; }
.badge-rose    { background: var(--rose-light);   color: var(--rose);   border-color: #FECDD3; }
.badge-violet  { background: var(--violet-light); color: var(--violet); border-color: #DDD6FE; }
.badge-muted   { background: var(--bg-2);         color: var(--text-2); border-color: var(--border); }
.badge-outline { background: transparent;         color: var(--text-2); border-color: var(--border-2); }

/* aliases */
.badge-primary   { background: var(--blue-light);  color: var(--blue);  border-color: #BFDBFE; }
.badge-secondary { background: var(--bg-2);        color: var(--text-2); border-color: var(--border); }
.badge-success   { background: var(--green-light); color: var(--green); border-color: #A7F3D0; }
.badge-warning   { background: var(--amber-light); color: var(--amber); border-color: #FDE68A; }
.badge-danger    { background: var(--rose-light);  color: var(--rose);  border-color: #FECDD3; }
.badge-cyan      { background: #ECFEFF; color: #0891B2; border-color: #A5F3FC; }

/* ── CARD ───────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm);
}

/* ── FORM CONTROLS ──────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
}
.form-input,
select.form-input,
textarea.form-input {
  width: 100%;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.6rem 0.9rem;
  font-family: var(--f-display);
  font-size: 0.875rem;
  color: var(--text);
  outline: none;
  transition: all 0.15s;
  appearance: none;
}
.form-input:focus,
select.form-input:focus,
textarea.form-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-mid);
}
textarea.form-input { resize: vertical; min-height: 90px; line-height: 1.6; }
.form-check {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.85rem; cursor: pointer;
}
.form-check input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--blue); cursor: pointer;
}

/* ── MODAL OVERLAY ──────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15,23,42,0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5rem 1rem 2rem;
  animation: fade-in 0.15s ease;
}
@keyframes fade-in { from{opacity:0;} to{opacity:1;} }

.search-palette {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 580px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: slide-down 0.2s cubic-bezier(0.16,1,0.3,1);
}
@keyframes slide-down {
  from { opacity:0; transform:translateY(-12px) scale(0.97); }
  to   { opacity:1; transform:none; }
}
.search-palette-input-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--border);
}
.search-palette-field {
  flex: 1; background: transparent;
  border: none; outline: none;
  font-family: var(--f-display);
  font-size: 1rem; color: var(--text);
}
.search-palette-field::placeholder { color: var(--text-3); }
.search-results { max-height: 380px; overflow-y: auto; padding: 0.5rem; }
.search-result-item {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background 0.1s;
}
.search-result-item:hover { background: var(--bg); }
.search-result-img {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.search-result-title { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.search-result-meta  { font-family: var(--f-mono); font-size: 0.7rem; color: var(--text-3); margin-top: 0.1rem; }
.search-empty { text-align: center; padding: 2rem; color: var(--text-3); font-size: 0.88rem; }

/* Modal card */
.modal-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 680px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: slide-down 0.2s cubic-bezier(0.16,1,0.3,1);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}
.modal-card-lg { max-width: 860px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-body { overflow-y: auto; flex: 1; }
.modal-footer {
  display: flex; align-items: center; justify-content: flex-end; gap: 0.65rem;
  padding: 0.9rem 1.35rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg);
}

/* ── DETAIL TABS ────────────────────────────────────── */
.detail-tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.detail-tabs-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  position: relative;
  transition: color 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--blue); }
.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 2px;
  background: var(--blue);
  border-radius: var(--r-full);
}

/* ── CODE VIEWER ────────────────────────────────────── */
.code-viewer-card {
  background: #0F172A;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid #1E293B;
  box-shadow: var(--shadow-lg);
}
.code-viewer-header {
  background: #1E293B;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mac-dots { display: flex; gap: 0.35rem; align-items: center; margin-right: 0.75rem; }
.mac-dot  { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.mac-dot.red    { background: #FF5F57; }
.mac-dot.yellow { background: #FEBC2E; }
.mac-dot.green  { background: #28C840; }
.code-viewer-file-info {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--f-mono); font-size: 0.75rem; color: #475569;
}
.code-file-lang-badge {
  background: rgba(37,99,235,0.15);
  color: #60A5FA;
  border: 1px solid rgba(37,99,235,0.25);
  font-family: var(--f-mono);
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--r-sm);
  letter-spacing: 0.05em;
}
.code-viewer-body {
  display: flex;
  overflow-x: auto;
  max-height: 500px;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  line-height: 1.8;
}
.code-line-numbers {
  padding: 1rem 0.85rem;
  text-align: right;
  color: #334155;
  border-right: 1px solid rgba(255,255,255,0.04);
  user-select: none;
  flex-shrink: 0;
  min-width: 2.75rem;
}
.code-content {
  padding: 1rem 1.25rem;
  flex: 1;
  color: #94A3B8;
  white-space: pre;
  overflow-x: auto;
}

/* ── FILE TREE ──────────────────────────────────────── */
.file-tree-container { font-family: var(--f-mono); font-size: 0.8rem; }
.file-tree-header {
  font-size: 0.72rem; font-weight: 700; color: var(--text-2);
  padding-bottom: 0.6rem; margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.04em; display: flex; align-items: center; gap: 0.5rem;
}
.tree-folder-title {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.5rem;
  padding-left: calc(var(--depth,0) * 1.2rem + 0.4rem);
  border-radius: var(--r-sm);
  cursor: pointer; color: var(--text-2);
  user-select: none; transition: all 0.1s;
}
.tree-folder-title:hover { color: var(--text); background: var(--bg); }
.tree-folder.collapsed .tree-folder-children { display: none; }
.tree-folder.collapsed .chevron { transform: rotate(-90deg); }
.chevron { transition: transform 0.15s; }
.folder-icon { color: #D97706; }
.tree-file {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.5rem;
  padding-left: calc(var(--depth,0) * 1.2rem + 1.3rem);
  border-radius: var(--r-sm);
  cursor: pointer; color: var(--text-2); transition: all 0.1s;
}
.tree-file:hover { color: var(--text); background: var(--bg); }
.tree-file.active { color: var(--blue); background: var(--blue-light); font-weight: 600; }

/* ── TOAST ──────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.25rem; right: 1.25rem;
  z-index: 400;
  display: flex; flex-direction: column; gap: 0.45rem;
  pointer-events: none;
}
.toast-item {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 0.8rem 1rem;
  display: flex; align-items: center; gap: 0.7rem;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.3s cubic-bezier(0.16,1,0.3,1);
  pointer-events: auto;
  font-size: 0.85rem;
  min-width: 220px;
  max-width: 340px;
  color: var(--text);
}
.toast-item.hide { animation: toast-out 0.25s ease forwards; }
@keyframes toast-in  { from{opacity:0;transform:translateY(10px) scale(0.95);}to{opacity:1;transform:none;} }
@keyframes toast-out { to{opacity:0;transform:translateY(8px) scale(0.95);} }
.toast-success { border-color: #A7F3D0; }
.toast-success .toast-icon { color: var(--green); }
.toast-error   { border-color: #FECDD3; }
.toast-error   .toast-icon { color: var(--rose); }
.toast-info    { border-color: #BFDBFE; }
.toast-info    .toast-icon { color: var(--blue); }

/* ── CATALOG FILTER PANEL ───────────────────────────── */
.filter-panel {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 76px;
}
.filter-panel-title {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── README PREVIEW ─────────────────────────────────── */
.readme-preview {
  background: #0F172A;
  border-radius: var(--r-lg);
  padding: 1.25rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  line-height: 1.75;
  color: #94A3B8;
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 500px;
  overflow-y: auto;
}

/* ── TABLE ──────────────────────────────────────────── */
.table-wrap { overflow-x: auto; width: 100%; border-radius: var(--r-lg); border: 1.5px solid var(--border); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; text-align: left; }
.data-table th {
  padding: 0.8rem 1rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  background: var(--bg);
}
.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}
.data-table tr:hover td { background: var(--bg); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ── VERSION TIMELINE ───────────────────────────────── */
.version-item {
  display: flex; gap: 1.1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.version-item:last-child { border-bottom: none; }
.version-badge {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: var(--r-sm);
  flex-shrink: 0;
}
.version-badge.latest { background: var(--blue-light); color: var(--blue); border: 1px solid #BFDBFE; }
.version-badge.old    { background: var(--bg-2);       color: var(--text-3); border: 1px solid var(--border); }

/* ── QR MODAL ───────────────────────────────────────── */
.qr-canvas-wrap {
  display: flex; justify-content: center;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: var(--r-lg);
  width: fit-content;
  margin: 0 auto;
}

/* ── LIGHTBOX ───────────────────────────────────────── */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  animation: fade-in 0.2s ease;
}
.lightbox-img { max-width: 100%; max-height: 90vh; object-fit: contain; border-radius: var(--r-lg); }

/* ── STORAGE BAR ────────────────────────────────────── */
.storage-alert {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--r-lg);
  font-size: 0.85rem;
}
.storage-alert.warning { background: var(--amber-light); border: 1.5px solid #FDE68A; color: var(--amber); }
.storage-alert.danger  { background: var(--rose-light);  border: 1.5px solid #FECDD3; color: var(--rose); }