/* ==========================================================================
   Components — Premium Reusable UI Primitives
   ========================================================================== */

/* ── Glass Card ──────────────────────────────────────────────────────── */

.glass-card {
  background: var(--surface-glass);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.glass-card.interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.glass-card.accent-top {
  position: relative; overflow: hidden;
}
.glass-card.accent-top::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

/* ── Buttons ─────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.625rem 1.25rem; border-radius: var(--radius);
  font-family: var(--font-sans); font-size: 0.8125rem; font-weight: 500;
  line-height: 1; border: 1px solid transparent; cursor: pointer;
  transition: all var(--transition-fast); white-space: nowrap; user-select: none;
}

.btn-primary {
  background: var(--accent-gradient); color: #fff; font-weight: 600;
  box-shadow: 0 2px 8px var(--accent-glow-strong);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow-strong);
}
.btn-primary:active { transform: translateY(0); }

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

.btn-danger {
  background: var(--danger); color: #fff; font-weight: 600;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.25);
}
.btn-danger:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(239, 68, 68, 0.35); }

.btn-sm  { padding: 0.4375rem 0.875rem; font-size: 0.75rem; }
.btn-lg  { padding: 0.75rem 1.5rem; font-size: 0.875rem; }
.btn-loading { opacity: 0.6; pointer-events: none; }

/* ── Inputs ──────────────────────────────────────────────────────────── */

.input {
  width: 100%; padding: 0.625rem 0.875rem;
  background: var(--surface-solid); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-family: var(--font-sans);
  font-size: 0.8125rem; color: var(--text);
  transition: all var(--transition-fast); outline: none;
  box-sizing: border-box;
}
.input:hover { border-color: var(--border-strong); }
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--border-focus);
}
.input::placeholder { color: var(--text-muted); }

/* ── Chips / Badges ──────────────────────────────────────────────────── */

.chip {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.25rem 0.625rem; border-radius: 99px;
  font-size: 0.6875rem; font-weight: 500;
}

.chip-success { background: var(--success-bg); color: #059669; }
.chip-warning { background: var(--warning-bg); color: #d97706; }
.chip-info    { background: var(--info-bg); color: #2563eb; }
.chip-danger  { background: var(--danger-bg); color: #dc2626; }

[data-theme="dark"] .chip-success { color: #34d399; }
[data-theme="dark"] .chip-warning { color: #fbbf24; }
[data-theme="dark"] .chip-info    { color: #60a5fa; }
[data-theme="dark"] .chip-danger  { color: #f87171; }

.chip-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor;
}

.badge {
  display: inline-flex; align-items: center; padding: 0.1875rem 0.5rem;
  border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 500;
  background: var(--surface-hover); color: var(--text);
  font-family: var(--font-mono); font-size: 0.6875rem;
}

/* ── Tabs ────────────────────────────────────────────────────────────── */

.tab {
  padding: 0.625rem 1rem; font-size: 0.8125rem; font-weight: 500;
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text-muted); cursor: pointer;
  transition: all var(--transition-fast);
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Toast ───────────────────────────────────────────────────────────── */

.toast-container {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999;
  display: flex; flex-direction: column-reverse; gap: 0.5rem;
  max-width: 360px;
}

.toast {
  padding: 0.75rem 1rem; border-radius: var(--radius);
  font-size: 0.8125rem; font-weight: 500; color: #fff;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s var(--transition);
  backdrop-filter: blur(12px);
}
.toast.success { background: linear-gradient(135deg, #059669, #10b981); }
.toast.error   { background: linear-gradient(135deg, #dc2626, #ef4444); }
.toast.warning { background: linear-gradient(135deg, #d97706, #f59e0b); color: #0f172a; }
.toast.info    { background: linear-gradient(135deg, #4f46e5, #6366f1); }
.toast.out     { animation: toastOut 0.25s ease forwards; }

@keyframes toastIn  { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateY(0); }  to { opacity: 0; transform: translateY(8px); } }

/* ── Modal Overlay ───────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15, 23, 42, 0.5); backdrop-filter: blur(var(--blur-overlay));
  display: none; align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface-raised); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-xl);
  width: 480px; max-width: 95vw; max-height: 85vh;
  display: flex; flex-direction: column;
  animation: modalIn 0.25s var(--transition);
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(8px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 1rem; font-weight: 600; color: var(--text); }
.modal-close {
  background: none; border: none; font-size: 1.25rem; cursor: pointer;
  color: var(--text-muted); padding: 0.25rem; line-height: 1;
  border-radius: var(--radius-sm); transition: all var(--transition-fast);
}
.modal-close:hover { background: var(--surface-hover); color: var(--text); }
.modal-body   { padding: 1.5rem; overflow-y: auto; flex: 1; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; gap: 0.5rem; justify-content: flex-end; }

/* ── Slide-over ──────────────────────────────────────────────────────── */

.slide-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(2px);
  display: none;
}
.slide-overlay.open { display: flex; }

.slide-panel {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 420px; max-width: 95vw;
  background: var(--surface-raised); border-left: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
  display: flex; flex-direction: column;
  animation: slideIn 0.3s var(--transition);
}
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }

.slide-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
}
.slide-title { font-size: 1rem; font-weight: 600; color: var(--text); }
.slide-close {
  background: none; border: none; font-size: 1.25rem; cursor: pointer;
  color: var(--text-muted); padding: 0.25rem; line-height: 1;
  border-radius: var(--radius-sm); transition: all var(--transition-fast);
}
.slide-close:hover { background: var(--surface-hover); color: var(--text); }
.slide-body   { padding: 1.5rem; overflow-y: auto; flex: 1; }
.slide-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; gap: 0.5rem; }

/* ── Disk Cells ──────────────────────────────────────────────────────── */

.disk-cell { display: flex; flex-direction: column; gap: 0.25rem; }
.disk-cell-value { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text); }
.disk-cell-bar-wrap {
  width: 100%; height: 4px; background: var(--surface-hover);
  border-radius: 2px; overflow: hidden;
}
.disk-cell-bar {
  height: 100%; border-radius: 2px;
  transition: width var(--transition-slow);
}
.disk-cell-bar.low       { background: linear-gradient(90deg, #10b981, #34d399); }
.disk-cell-bar.moderate  { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.disk-cell-bar.high      { background: linear-gradient(90deg, #f97316, #fb923c); }
.disk-cell-bar.critical  { background: linear-gradient(90deg, #ef4444, #f87171); }

/* ── Code Block ──────────────────────────────────────────────────────── */

.code-block {
  background: var(--surface-hover); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 0.625rem 0.875rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--text);
  overflow-x: auto; white-space: pre-wrap;
}

/* ── Stat icon gold ──────────────────────────────────────────────────── */

.stat-icon-gold {
  background: linear-gradient(135deg, #fef9c3, #fde047);
}
[data-theme="dark"] .stat-icon-gold {
  background: linear-gradient(135deg, #713f12, #a16207);
}

/* ── Tab (slide-over) ────────────────────────────────────────────────── */

.slide-tabs .tab {
  background: none; border: none; border-bottom: 2px solid transparent;
  padding: 0.5rem 0.875rem; font-size: 0.8125rem;
  color: var(--text-muted); cursor: pointer;
  transition: all var(--transition-fast);
}
.slide-tabs .tab.active {
  color: var(--accent); border-bottom-color: var(--accent); font-weight: 600;
}
.slide-tabs .tab:hover { color: var(--text); }