/* ══════════════════════════════════════════════════════
   OVERLAYS — Auth, Cases Panel, File Viewer, Toast
══════════════════════════════════════════════════════ */

/* ── Toast notification ── */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--color-surface-glass);
  border: 1px solid var(--color-critical);
  border-radius: var(--radius-lg); padding: 14px 18px;
  font-size: .82rem; color: var(--color-text-primary); max-width: 360px;
  box-shadow: 0 8px 40px rgba(0,0,0,.55);
  backdrop-filter: blur(12px);
  z-index: var(--z-toast);
  display: none; animation: slideup .2s ease;
}
.toast.visible { display: block; }
@keyframes slideup { from { transform: translateY(20px); opacity: 0; } to { transform: none; opacity: 1; } }

/* Toast variants */
.toast.toast-success { border-color: var(--color-success); color: var(--color-success); }
.toast.toast-info    { border-color: var(--color-accent); color: var(--color-accent); }
.toast.toast-warn    { border-color: var(--color-high); color: var(--color-high); }

/* ── Auth screen ── */
.auth-screen {
  position: fixed; inset: 0;
  background: radial-gradient(ellipse at 50% 35%, var(--color-accent-muted) 0%, var(--color-bg-base) 60%);
  display: grid; place-items: center;
  z-index: var(--z-modal);
}
.auth-card {
  background: var(--color-bg-recessed);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg); padding: 36px;
  width: 100%; max-width: 380px;
  text-align: center;
  animation: fadeSlideUp .3s ease;
  box-shadow:
    0 24px 80px rgba(0,0,0,.65),
    0 0 0 1px rgba(255,255,255,.07) inset,
    var(--shadow-glow);
}
.auth-logo {
  display: flex; align-items: center; justify-content: center;
  width: 58px; height: 58px;
  background: linear-gradient(135deg, var(--color-accent-glow), var(--color-accent-muted));
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-lg);
  margin: 0 auto 14px;
  font-size: 1.6rem;
  box-shadow: 0 4px 22px var(--color-accent-muted);
}
.auth-title { font-size: 1.3rem; letter-spacing: -.035em; font-weight: 700; margin-bottom: 4px; }
.auth-sub   { font-size: .82rem; color: var(--color-text-secondary); margin-bottom: 24px; }
.auth-input {
  width: 100%; background: var(--color-surface-2); border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md); padding: 12px 16px;
  color: var(--color-text-primary); font-family: var(--font-data); font-size: .88rem;
  outline: none; margin-bottom: 12px; text-align: center;
  letter-spacing: .1em; caret-color: var(--color-accent);
  transition: all var(--duration-fast) var(--ease-in-out);
}
.auth-input:focus {
  border-color: var(--color-accent-border);
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}
.auth-btn   { width: 100%; }
.auth-error { color: var(--color-critical); font-size: .78rem; margin-top: 8px; display: none; }
@keyframes fadeSlideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* ── Cases overlay + panel ── */
.cases-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: var(--z-overlay);
  display: none;
  backdrop-filter: blur(4px);
}
.cases-overlay.visible { display: block; }
.cases-panel {
  position: fixed; right: 0; top: 0; bottom: 0; width: 380px;
  background: var(--color-bg-recessed); border-left: 1px solid var(--color-border-default);
  z-index: var(--z-panel);
  transform: translateX(100%);
  transition: transform var(--duration-mid) var(--ease-in-out);
  display: flex; flex-direction: column;
  box-shadow: -8px 0 48px rgba(0,0,0,.6);
}
.cases-panel.visible { transform: translateX(0); }
.cases-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-surface-1);
}
.cases-panel-title  { font-weight: 700; font-size: .92rem; color: var(--color-text-primary); }
.cases-panel-close  { background: none; border: none; cursor: pointer; font-size: 1.1rem; color: var(--color-text-tertiary); padding: 4px; }
.cases-panel-close:hover { color: var(--color-text-primary); }
.cases-panel-body   { flex: 1; overflow-y: auto; padding: 16px; }
.cases-panel-footer { padding: 16px; border-top: 1px solid var(--color-border-subtle); }
.case-card {
  background: var(--color-surface-1); border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg); padding: 12px 14px; margin-bottom: 8px;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}
.case-card:hover {
  border-color: var(--color-accent-border);
  background: var(--color-surface-2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}
.case-card-header  { display: flex; justify-content: space-between; align-items: flex-start; }
.case-card-target  { font-family: var(--font-data); font-weight: 700; font-size: .84rem; color: var(--color-text-primary); }
.case-card-del     { background: none; border: none; cursor: pointer; color: var(--color-text-tertiary); font-size: .8rem; padding: 0 4px; transition: color .15s; }
.case-card-del:hover { color: var(--color-critical); }
.case-card-meta    { font-family: var(--font-data); font-size: .66rem; color: var(--color-text-tertiary); margin-top: 3px; }
.case-card-note    { margin-top: 8px; font-size: .78rem; color: var(--color-text-secondary); font-style: italic; border-left: 2px solid var(--color-accent); padding-left: 8px; }
.case-note-input {
  width: 100%; background: var(--color-surface-2); border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg); padding: 8px 10px; color: var(--color-text-primary);
  font-family: var(--font-display); font-size: .82rem; resize: none; outline: none;
  min-height: 60px; margin-top: 8px;
}
.case-note-input:focus { border-color: var(--color-accent); }

/* ── File viewer modal ── */
.file-viewer-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.75);
  z-index: var(--z-modal); display: none; place-items: center;
  backdrop-filter: blur(4px);
}
.file-viewer-overlay.visible { display: grid; }
.file-viewer {
  background: var(--color-bg-recessed); border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  width: 90vw; max-width: 860px; max-height: 85vh;
  display: flex; flex-direction: column;
  box-shadow: 0 32px 100px rgba(0,0,0,.75);
}
.file-viewer-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-surface-1);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.file-viewer-title {
  font-family: var(--font-data); font-size: .82rem; font-weight: 700;
  color: var(--color-accent); overflow: hidden; text-overflow: ellipsis;
}
.file-viewer-close {
  background: none; border: none; cursor: pointer;
  font-size: 1.1rem; color: var(--color-text-tertiary); transition: color .15s;
}
.file-viewer-close:hover { color: var(--color-text-primary); }
.file-viewer-body { flex: 1; overflow-y: auto; padding: 16px; }
.file-viewer-content {
  font-family: var(--font-data); font-size: .76rem;
  color: var(--color-text-secondary); white-space: pre-wrap;
  word-break: break-all; line-height: 1.6;
  background: var(--color-surface-1); border: 1px solid var(--color-border-subtle);
  border-radius: 6px; padding: 14px;
  max-height: 60vh; overflow-y: auto;
}
.file-viewer-footer {
  padding: 12px 20px; border-top: 1px solid var(--color-border-subtle);
  display: flex; gap: 8px; align-items: center;
}

/* ── Phase 14 — Unified user dropdown ── */
.nav-user-menu { position: relative; }
.nav-user-trigger {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-data); font-size: .7rem; font-weight: 700;
  color: var(--color-accent); background: var(--color-accent-muted);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-lg); padding: 5px 10px;
  cursor: pointer; transition: all .15s;
}
.nav-user-trigger:hover { background: var(--color-accent-muted); filter: brightness(1.1); }
.nav-user-icon { width: 14px; height: 14px; flex-shrink: 0; }
.nav-user-caret {
  width: 10px; height: 10px; flex-shrink: 0;
  transition: transform var(--duration-fast) var(--ease-in-out);
}
.nav-user-trigger[aria-expanded="true"] .nav-user-caret { transform: rotate(180deg); }
.user-menu-dropdown {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 180px;
  background: var(--color-surface-glass); backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-default); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md); z-index: calc(var(--z-overlay) + 1);
  display: none; padding: 4px; flex-direction: column;
}
.user-menu-dropdown.visible { display: flex; }
.user-menu-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: var(--radius-md);
  font-family: var(--font-data); font-size: .72rem; font-weight: 600;
  color: var(--color-text-secondary); background: none; border: none;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background var(--duration-fast), color var(--duration-fast);
}
.user-menu-item:hover { background: var(--color-surface-2); color: var(--color-text-primary); }
.user-menu-item--danger { color: var(--color-critical); }
.user-menu-item--danger:hover { background: var(--color-critical-muted); color: var(--color-critical); }
.user-menu-item[hidden] { display: none; }