/* components.css — reusable UI components in the Scheduler V2 visual system. */

/* ---- Buttons ---- */

.btn-primary,
.btn-secondary,
.btn-danger,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  padding: 10px var(--space-6);
  border-radius: var(--radius-button);
  border: 1px solid transparent;
  cursor: pointer;
  transition: filter 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  white-space: nowrap;
}
.btn-primary:disabled,
.btn-secondary:disabled,
.btn-danger:disabled,
.btn-ghost:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(180deg, var(--color-gold-light) 0%, var(--color-gold-dark) 100%);
  color: var(--color-navy-dark);
  box-shadow: var(--shadow-gold-cta);
}
.btn-primary:not(:disabled):hover { filter: brightness(1.05); }

.btn-secondary {
  background: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-input-border);
  box-shadow: var(--shadow-card);
}
.btn-secondary:not(:disabled):hover { box-shadow: var(--shadow-card-elevated); }

.btn-danger {
  background: linear-gradient(180deg, var(--color-danger-bg-from), var(--color-danger-bg-to));
  color: var(--color-danger-text);
  border-color: var(--color-danger-border);
}
.btn-danger:not(:disabled):hover { filter: brightness(0.98); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-3);
  box-shadow: none;
}
.btn-ghost:not(:disabled):hover { background: rgba(28, 53, 94, 0.05); color: var(--color-navy); }

.btn-sm { padding: 6px var(--space-3); font-size: 13px; }
.btn-icon {
  padding: var(--space-2);
  width: 32px; height: 32px;
  border-radius: var(--radius-button);
}

/* ---- Cards ---- */

.card,
.card-elevated {
  background: var(--color-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
}
.card { box-shadow: var(--shadow-card); }
.card-elevated { box-shadow: var(--shadow-card-elevated); }

/* ---- Badges ---- */

.badge-success,
.badge-warning,
.badge-danger,
.badge-neutral {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 11px;
  font-weight: 500;
  padding: 2px var(--space-3);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-success {
  background: linear-gradient(180deg, var(--color-success-bg-from), var(--color-success-bg-to));
  color: var(--color-success-text);
  border-color: var(--color-success-border);
}
.badge-warning {
  background: linear-gradient(180deg, var(--color-warning-bg-from), var(--color-warning-bg-to));
  color: var(--color-warning-text);
  border-color: var(--color-warning-border);
}
.badge-danger {
  background: linear-gradient(180deg, var(--color-danger-bg-from), var(--color-danger-bg-to));
  color: var(--color-danger-text);
  border-color: var(--color-danger-border);
}
.badge-neutral {
  background: var(--color-table-header-bg);
  color: var(--color-text-secondary);
  border-color: var(--color-card-border);
}

.status-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: var(--radius-pill);
  flex: none;
}
.status-dot-success { background: var(--color-success-text); }
.status-dot-warning { background: var(--color-warning-text); }
.status-dot-danger { background: var(--color-danger-text); }
.status-dot-neutral { background: var(--color-text-tertiary); }

/* ---- Inputs ---- */

.input,
.select,
textarea.input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-primary);
  background: var(--color-white);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-button);
  padding: var(--space-2) var(--space-3);
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.input::placeholder { color: var(--color-text-tertiary); }
.input:focus,
.select:focus,
textarea.input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 2px rgba(203, 154, 51, 0.2);
}
textarea.input { min-height: 72px; resize: vertical; }

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field > label { font-size: 12px; font-weight: 600; color: var(--color-text-secondary); }
.field-hint { font-size: 12px; color: var(--color-text-tertiary); }

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
  cursor: pointer;
}
.checkbox-row input { width: 16px; height: 16px; accent-color: var(--color-gold-dark); }

/* ---- Tables ---- */

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.data thead th {
  text-align: left;
  background: var(--color-table-header-bg);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-card-border);
}
table.data tbody td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-table-row-border);
  vertical-align: middle;
}
table.data tbody tr:hover { background: rgba(28, 53, 94, 0.015); }
table.data .num { font-family: var(--font-mono); letter-spacing: -0.01em; text-align: right; }

/* ---- Autocomplete ---- */

.autocomplete { position: relative; }
.autocomplete-menu {
  position: absolute;
  left: 0; right: 0; top: calc(100% + 4px);
  z-index: 40;
  background: var(--color-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-button);
  box-shadow: var(--shadow-card-elevated);
  max-height: 240px;
  overflow-y: auto;
}
.autocomplete-item {
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  font-size: 14px;
}
.autocomplete-item:hover,
.autocomplete-item.active { background: rgba(203, 154, 51, 0.12); }
.autocomplete-item .meta { font-size: 12px; color: var(--color-text-tertiary); }

/* Floating variant: mounted on <body>, positioned via JS. Sits above modals. */
.autocomplete-floating {
  position: fixed;
  left: 0; right: auto; top: 0;
  z-index: 120;
}

/* ---- Top bar + tabs ---- */

.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar .brand { display: flex; align-items: center; gap: var(--space-3); }
.topbar .brand img { height: 32px; width: auto; }
.topbar .wordmark {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-navy);
}

.tabs { display: flex; gap: var(--space-1); }
.tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-button);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
}
.tab:hover { background: rgba(28, 53, 94, 0.05); color: var(--color-navy); }
.tab.active {
  color: var(--color-navy);
  background: rgba(203, 154, 51, 0.14);
  border-color: var(--color-success-border);
}

.page { max-width: 1200px; margin: 0 auto; padding: var(--space-8) var(--space-6); }
.page-header { display: flex; align-items: center; gap: var(--space-4); margin-bottom: var(--space-6); }

/* ---- Modal ---- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 24, 48, 0.45);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-12) var(--space-4);
  z-index: 100;
  overflow-y: auto;
}
.modal {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-elevated);
  width: 100%;
  max-width: 520px;
  padding: var(--space-8);
}
.modal.modal-wide { max-width: 860px; }
.modal-header { display: flex; align-items: center; margin-bottom: var(--space-5); }
.modal-header h2 { margin: 0; }
.modal-body { display: flex; flex-direction: column; gap: var(--space-4); }
.modal-footer { display: flex; justify-content: flex-end; gap: var(--space-3); margin-top: var(--space-6); }

/* ---- Toast ---- */

.toast-host {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 200;
}
.toast {
  min-width: 240px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-button);
  box-shadow: var(--shadow-card-elevated);
  font-size: 14px;
  font-weight: 500;
  background: var(--color-white);
  border: 1px solid var(--color-card-border);
  color: var(--color-navy);
}
.toast.toast-success { background: linear-gradient(180deg, var(--color-success-bg-from), var(--color-success-bg-to)); color: var(--color-success-text); border-color: var(--color-success-border); }
.toast.toast-error { background: linear-gradient(180deg, var(--color-danger-bg-from), var(--color-danger-bg-to)); color: var(--color-danger-text); border-color: var(--color-danger-border); }

/* ---- Login ---- */

.login-screen {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.login-card { width: 100%; max-width: 28rem; padding: var(--space-8); }
.login-card .logo { display: block; margin: 0 auto var(--space-6); width: 200px; max-width: 60%; height: auto; }

/* ---- Empty state ---- */

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--color-text-tertiary);
}
.empty-state h3 { color: var(--color-text-secondary); }

/* ---- Misc ---- */

.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(28, 53, 94, 0.25);
  border-top-color: var(--color-navy);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.app-loading { display: flex; align-items: center; justify-content: center; gap: var(--space-3); min-height: 60vh; color: var(--color-text-secondary); }

.tree-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--color-text-tertiary); font-size: 12px;
  width: 20px; padding: 0;
}
.drag-handle { cursor: grab; color: var(--color-text-tertiary); user-select: none; }
.dragging { opacity: 0.5; }
.drop-target { box-shadow: inset 0 2px 0 var(--color-gold); }

/* ---- Help & guided tours ---- */

.tour-overlay {
  position: fixed; inset: 0; z-index: 150;
  pointer-events: none; /* read-along: never block the real app */
}
.tour-spotlight {
  position: fixed;
  border-radius: 10px;
  box-shadow: 0 0 0 9999px rgba(10, 24, 48, 0.55);
  transition: top 0.2s ease, left 0.2s ease, width 0.2s ease, height 0.2s ease;
  pointer-events: none;
}
.tour-tip {
  position: fixed; z-index: 151;
  background: var(--color-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-elevated);
  padding: var(--space-4);
  pointer-events: auto;
  max-width: 340px;
}
.tour-tip-head { display: flex; align-items: center; }
.tour-step-count { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; color: var(--color-text-tertiary); }
.tour-x { background: none; border: none; cursor: pointer; color: var(--color-text-tertiary); font-size: 14px; padding: 0; }
.tour-body { font-size: 14px; color: var(--color-text-secondary); line-height: 1.5; }
.tour-tip-foot { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-4); }

.help-tour-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.help-tour-card {
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-button);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: box-shadow 0.12s ease, border-color 0.12s ease;
  display: flex; flex-direction: column; gap: 2px;
}
.help-tour-card:hover { box-shadow: var(--shadow-card); border-color: var(--color-gold); }
.help-tour-go { color: var(--color-gold-dark); font-size: 13px; font-weight: 600; margin-top: 4px; }

.help-article { border-bottom: 1px solid var(--color-table-row-border); padding: 4px 0; }
.help-article > summary {
  cursor: pointer; font-weight: 600; color: var(--color-navy);
  padding: 6px 0; list-style: none;
}
.help-article > summary::-webkit-details-marker { display: none; }
.help-article > summary::before { content: '▸ '; color: var(--color-text-tertiary); }
.help-article[open] > summary::before { content: '▾ '; }

.help-nudge {
  position: fixed; left: 50%; bottom: var(--space-6); transform: translateX(-50%);
  z-index: 140;
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-card-elevated);
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-5);
  font-size: 14px; color: var(--color-navy);
  max-width: 92vw;
}

@media (max-width: 640px) {
  .help-tour-grid { grid-template-columns: 1fr; }
}