/* ===========================================================================
   app-components.css — LAYER 1 of 3
   Everything visual: design tokens, base paint, nc-* component classes, glow.
   Contains NO page layout and NO global skeleton. Loads first: it owns the
   custom properties the other two layers rely on.
   =========================================================================== */

/* --- Design tokens ------------------------------------------------------ */
:root {
  /* Surfaces */
  --nc-bg:            #070b10;
  --nc-surface:       #0e141c;
  --nc-surface-2:     #131c26;
  --nc-line:          #1e2a38;
  --nc-line-soft:     #16202b;

  /* Text */
  --nc-text:          #dbe4ef;
  --nc-text-dim:      #7c8ba1;
  --nc-text-faint:    #4d5a6b;

  /* Signal colours */
  --nc-accent:        #22d3ee;
  --nc-ok:            #34d399;
  --nc-warn:          #fbbf24;
  --nc-crit:          #f87171;

  /* Glow */
  --nc-glow-accent:   0 0 14px rgba(34, 211, 238, 0.40);
  --nc-glow-ok:       0 0 14px rgba(52, 211, 153, 0.40);
  --nc-glow-warn:     0 0 14px rgba(251, 191, 36, 0.38);
  --nc-glow-crit:     0 0 14px rgba(248, 113, 113, 0.42);

  /* Type */
  --nc-font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --nc-font-mono: "JetBrains Mono", "SF Mono", ui-monospace, "Cascadia Mono",
                  Consolas, monospace;

  /* Shape */
  --nc-radius:        10px;
  --nc-radius-sm:     6px;
  --nc-shadow:        0 1px 2px rgba(0, 0, 0, 0.55),
                      0 8px 24px rgba(0, 0, 0, 0.35);
}

/* --- Base paint (colour/type only — box model lives in base-layout) ----- */
body {
  background-color: var(--nc-bg);
  background-image:
    radial-gradient(1100px 520px at 78% -12%, rgba(34, 211, 238, 0.07), transparent 65%),
    radial-gradient(900px 460px at 8% 0%, rgba(52, 211, 153, 0.05), transparent 60%);
  background-attachment: fixed;
  color: var(--nc-text);
  font-family: var(--nc-font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--nc-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: rgba(34, 211, 238, 0.28); color: #fff; }

:focus-visible {
  outline: 2px solid var(--nc-accent);
  outline-offset: 2px;
  border-radius: var(--nc-radius-sm);
}

/* --- Header ------------------------------------------------------------- */
.nc-header {
  background: linear-gradient(180deg, rgba(19, 28, 38, 0.92), rgba(14, 20, 28, 0.86));
  border-bottom: 1px solid var(--nc-line);
  backdrop-filter: blur(10px);
}

.nc-brand {
  color: var(--nc-text);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.nc-brand:hover { text-decoration: none; }
.nc-brand__name strong { color: var(--nc-accent); font-weight: 700; }

.nc-brand__pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--nc-ok);
  box-shadow: var(--nc-glow-ok);
  animation: nc-pulse 2.4s ease-in-out infinite;
}

@keyframes nc-pulse {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.82); }
}

@media (prefers-reduced-motion: reduce) {
  .nc-brand__pulse { animation: none; }
}

/* --- Navigation --------------------------------------------------------- */
.nc-nav__link {
  color: var(--nc-text-dim);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--nc-radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}
.nc-nav__link:hover { color: var(--nc-text); background: var(--nc-surface-2); text-decoration: none; }

.nc-nav__link.is-active {
  color: var(--nc-accent);
  background: rgba(34, 211, 238, 0.10);
  box-shadow: inset 0 -2px 0 var(--nc-accent);
}

.nc-nav__link.is-disabled {
  color: var(--nc-text-faint);
  cursor: default;
}
.nc-nav__link.is-disabled:hover { background: transparent; color: var(--nc-text-faint); }

/* --- Typography components ---------------------------------------------- */
.nc-title {
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--nc-text);
}

.nc-subtitle {
  color: var(--nc-text-dim);
  font-size: 0.95rem;
}

/* --- Panel / card ------------------------------------------------------- */
.nc-panel {
  background: var(--nc-surface);
  border: 1px solid var(--nc-line);
  border-radius: var(--nc-radius);
  box-shadow: var(--nc-shadow);
}

/* --- Status card (etapp 2 fills these) ---------------------------------- */
.nc-card {
  background: var(--nc-surface);
  border: 1px solid var(--nc-line);
  border-radius: var(--nc-radius);
  box-shadow: var(--nc-shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.nc-card:hover { border-color: var(--nc-accent); transform: translateY(-1px); }

.nc-card--ok   { border-left: 3px solid var(--nc-ok); }
.nc-card--warn { border-left: 3px solid var(--nc-warn); }
.nc-card--crit { border-left: 3px solid var(--nc-crit); }

.nc-card__name { font-weight: 600; color: var(--nc-text); }
.nc-card__url  { color: var(--nc-text-faint); font-family: var(--nc-font-mono); font-size: 0.78rem; }

.nc-metric__value { font-family: var(--nc-font-mono); font-size: 1.25rem; color: var(--nc-text); }
.nc-metric__label {
  color: var(--nc-text-faint);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- Status dot --------------------------------------------------------- */
.nc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--nc-text-faint);
}
.nc-dot--ok   { background: var(--nc-ok);   box-shadow: var(--nc-glow-ok); }
.nc-dot--warn { background: var(--nc-warn); box-shadow: var(--nc-glow-warn); }
.nc-dot--crit { background: var(--nc-crit); box-shadow: var(--nc-glow-crit); }

/* --- Badge -------------------------------------------------------------- */
.nc-badge {
  border-radius: 999px;
  border: 1px solid var(--nc-line);
  background: var(--nc-surface-2);
  color: var(--nc-text-dim);
  font-family: var(--nc-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.nc-badge--ok   { color: var(--nc-ok);   border-color: rgba(52, 211, 153, 0.35); }
.nc-badge--warn { color: var(--nc-warn); border-color: rgba(251, 191, 36, 0.35); }
.nc-badge--crit { color: var(--nc-crit); border-color: rgba(248, 113, 113, 0.38); }

/* --- Button ------------------------------------------------------------- */
.nc-btn {
  background: var(--nc-surface-2);
  border: 1px solid var(--nc-line);
  border-radius: var(--nc-radius-sm);
  color: var(--nc-text);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}
.nc-btn:hover {
  border-color: var(--nc-accent);
  box-shadow: var(--nc-glow-accent);
  color: var(--nc-accent);
  text-decoration: none;
}

.nc-btn--primary {
  background: rgba(34, 211, 238, 0.12);
  border-color: rgba(34, 211, 238, 0.45);
  color: var(--nc-accent);
}

/* --- Empty state -------------------------------------------------------- */
.nc-empty {
  background: var(--nc-surface);
  border: 1px dashed var(--nc-line);
  border-radius: var(--nc-radius);
  color: var(--nc-text-dim);
  text-align: center;
}

.nc-empty__icon {
  width: 34px;
  height: 34px;
  border: 2px solid var(--nc-line);
  border-top-color: var(--nc-accent);
  border-radius: 50%;
  box-shadow: var(--nc-glow-accent);
}

.nc-empty__title { color: var(--nc-text); font-weight: 600; }
.nc-empty__text  { color: var(--nc-text-faint); font-size: 0.88rem; }

/* --- Error notice ------------------------------------------------------- */
.nc-notice { text-align: center; }
.nc-notice__code {
  color: var(--nc-accent);
  font-family: var(--nc-font-mono);
  font-size: 3rem;
  text-shadow: var(--nc-glow-accent);
}
.nc-notice__text { color: var(--nc-text-dim); }

/* --- Footer ------------------------------------------------------------- */
.nc-footer {
  border-top: 1px solid var(--nc-line-soft);
  background: rgba(14, 20, 28, 0.6);
}
.nc-footer__text {
  color: var(--nc-text-faint);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

/* --- Etapp 2: monitoring ------------------------------------------------ */

/* Timestamp line */
.nc-timestamp {
  color: var(--nc-text-faint);
  font-family: var(--nc-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}

/* Summary chips */
.nc-chip {
  border: 1px solid var(--nc-line);
  border-radius: 999px;
  background: var(--nc-surface);
  color: var(--nc-text-dim);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}
.nc-chip__value {
  color: var(--nc-text);
  font-family: var(--nc-font-mono);
  font-weight: 600;
}
.nc-chip--ok   { border-color: rgba(52, 211, 153, 0.30); }
.nc-chip--warn { border-color: rgba(251, 191, 36, 0.30); }
.nc-chip--crit { border-color: rgba(248, 113, 113, 0.32); }
.nc-chip--ok   .nc-chip__value { color: var(--nc-ok); }
.nc-chip--warn .nc-chip__value { color: var(--nc-warn); }
.nc-chip--crit .nc-chip__value { color: var(--nc-crit); }

/* Card — unknown state completes the ok/warn/crit set */
.nc-card--unknown { border-left: 3px solid var(--nc-text-faint); }
.nc-dot--unknown  { background: var(--nc-text-faint); box-shadow: none; }
.nc-badge--unknown { color: var(--nc-text-faint); }

.nc-card__name {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--nc-text);
}

.nc-metric__unit {
  color: var(--nc-text-faint);
  font-size: 0.7em;
  letter-spacing: 0.02em;
}

/* Card divider between metrics and chart */
.nc-card__metrics { border-block: 1px solid var(--nc-line-soft); }

/* Chart */
.nc-chart__empty {
  color: var(--nc-text-faint);
  font-family: var(--nc-font-mono);
  font-size: 0.75rem;
  text-align: center;
}

/* Card footer */
.nc-card__reason {
  color: var(--nc-text-dim);
  font-size: 0.78rem;
}
.nc-card--ok   .nc-card__reason { color: var(--nc-ok); }
.nc-card--warn .nc-card__reason { color: var(--nc-warn); }
.nc-card--crit .nc-card__reason { color: var(--nc-crit); }

.nc-card__time {
  color: var(--nc-text-faint);
  font-family: var(--nc-font-mono);
  font-size: 0.72rem;
  white-space: nowrap;
}

/* --- Etapp 3: tools ----------------------------------------------------- */

.nc-label {
  color: var(--nc-text-faint);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nc-input {
  background: var(--nc-bg);
  border: 1px solid var(--nc-line);
  border-radius: var(--nc-radius-sm);
  color: var(--nc-text);
  font: inherit;
  font-family: var(--nc-font-mono);
  font-size: 0.88rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.nc-input:hover { border-color: var(--nc-text-faint); }
.nc-input:focus {
  border-color: var(--nc-accent);
  box-shadow: var(--nc-glow-accent);
  outline: none;
}
.nc-input::placeholder { color: var(--nc-text-faint); }

.nc-hint {
  color: var(--nc-text-faint);
  font-size: 0.8rem;
}

.nc-alert {
  border: 1px solid var(--nc-line);
  border-radius: var(--nc-radius);
  background: var(--nc-surface);
  color: var(--nc-text-dim);
  font-size: 0.88rem;
}
.nc-alert--crit {
  border-color: rgba(248, 113, 113, 0.45);
  color: var(--nc-crit);
}

.nc-result__title {
  color: var(--nc-text);
  font-size: 0.98rem;
  font-weight: 600;
}
.nc-result__summary {
  color: var(--nc-text-dim);
  font-size: 0.85rem;
}
.nc-result__details { border-block-start: 1px solid var(--nc-line-soft); }
.nc-result__key {
  color: var(--nc-text-faint);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nc-result__value {
  color: var(--nc-text);
  font-family: var(--nc-font-mono);
  font-size: 0.82rem;
  word-break: break-word;
}
.nc-result__note {
  color: var(--nc-warn);
  font-size: 0.78rem;
}

/* Console output */
.nc-output {
  background: var(--nc-bg);
  border: 1px solid var(--nc-line-soft);
  border-radius: var(--nc-radius-sm);
  color: var(--nc-text);
  font-family: var(--nc-font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
}
.nc-output code { color: inherit; font: inherit; }

/* Busy state while a tool runs */
.nc-btn.is-busy {
  color: var(--nc-text-faint);
  cursor: progress;
}
.nc-btn.is-busy:hover {
  border-color: var(--nc-line);
  box-shadow: none;
  color: var(--nc-text-faint);
}

/* --- Etapp 4: admin ----------------------------------------------------- */

/* Sign-out sits in the nav but is a form button, so it has to be repainted
   back into a nav link. */
.nc-nav__button {
  background: none;
  border: none;
  color: var(--nc-text-dim);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.nc-nav__button:hover { color: var(--nc-text); }

/* Flash messages */
.nc-alert--success {
  border-color: rgba(52, 211, 153, 0.40);
  color: var(--nc-ok);
}
.nc-alert--error {
  border-color: rgba(248, 113, 113, 0.45);
  color: var(--nc-crit);
}
.nc-alert--info,
.nc-alert--message { color: var(--nc-text-dim); }

/* Field-level validation */
.nc-field-error {
  color: var(--nc-crit);
  font-size: 0.78rem;
}

.nc-label--inline {
  color: var(--nc-text);
  letter-spacing: 0;
  text-transform: none;
  font-size: 0.9rem;
}

.nc-checkbox {
  accent-color: var(--nc-accent);
  cursor: pointer;
}

/* Table */
.nc-table { border-collapse: collapse; }

.nc-table__th {
  color: var(--nc-text-faint);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  border-bottom: 1px solid var(--nc-line);
}

.nc-table__row { border-bottom: 1px solid var(--nc-line-soft); }
.nc-table__row:last-child { border-bottom: none; }
.nc-table__row:hover { background: var(--nc-surface-2); }

.nc-table__td { color: var(--nc-text-dim); font-size: 0.86rem; }
.nc-table__td--name { color: var(--nc-text); font-weight: 600; }
.nc-table__td--url,
.nc-table__td--mono {
  color: var(--nc-text-faint);
  font-family: var(--nc-font-mono);
  font-size: 0.78rem;
}

/* Buttons */
.nc-btn--small { font-size: 0.78rem; }
.nc-btn--danger { color: var(--nc-crit); }
.nc-btn--danger:hover {
  border-color: var(--nc-crit);
  box-shadow: var(--nc-glow-crit);
  color: var(--nc-crit);
}