/* ==========================================================================
   DENTON SECURITY / CORE COMPONENTS
   Base styles, typography, buttons, panels, texture.
   Depends on: tokens.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   BASE
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: var(--radius); /* zero, everywhere, by decree */
}

html {
  background-color: var(--color-bg);
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-on-accent);
}

/* Scanline texture: fixed overlay, never on scrolling containers */
.texture-scanlines::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: var(--z-texture);
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    var(--scanline-color) 0,
    var(--scanline-color) 1px,
    transparent 1px,
    transparent var(--scanline-step)
  );
}

/* --------------------------------------------------------------------------
   TYPOGRAPHY
   -------------------------------------------------------------------------- */

h1, h2, h3, h4,
.display, .heading-1, .heading-2, .heading-3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  text-wrap: balance;
}

p {
  margin: 0;
  max-width: var(--measure);
  text-wrap: pretty;
}

.display   { font-size: var(--text-3xl); }
.heading-1 { font-size: var(--text-2xl); }
.heading-2 { font-size: var(--text-xl); }
.heading-3 { font-size: var(--text-md); line-height: var(--leading-snug); }

.text-muted { color: var(--color-text-muted); }

/* Uppercase eyebrow label: mono, tracked, muted.
   May be applied to a heading element; it overrides heading styles. */
.eyebrow {
  font-family: var(--font-mono);
  line-height: var(--leading-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--color-text-muted);
}

.eyebrow--accent { color: var(--color-accent); }

/* Data / meta text: mono with tabular figures, no layout shift */
.data {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-sharp);
}

@media (hover: hover) and (pointer: fine) {
  a:hover { color: var(--color-accent-active); }
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 767px) {
  .display   { font-size: var(--text-2xl); }
  .heading-1 { font-size: var(--text-xl); }
}

/* --------------------------------------------------------------------------
   BUTTONS
   Sharp edges, mono labels, near-instant states, mechanical 1px press.
   Forced-state classes (.is-hover, .is-active) exist for specimen display
   only; they mirror the real pseudo-class rules exactly.
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px; /* touch target floor */
  padding: var(--space-3) var(--space-6);
  border: var(--border-w) solid transparent;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--dur-fast) var(--ease-sharp),
    border-color     var(--dur-fast) var(--ease-sharp),
    color            var(--dur-fast) var(--ease-sharp),
    transform        var(--dur-fast) var(--ease-sharp);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Mechanical press: 1px drop, no soft scale */
.btn:active:not(:disabled),
.btn.is-active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Primary: solid cyan, dark ink */
.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-on-accent);
}

@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover:not(:disabled) {
    background-color: var(--color-accent-active);
  }
}

.btn--primary.is-hover {
  background-color: var(--color-accent-active);
}

/* Secondary: outlined steel, lights up cyan */
.btn--secondary {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

@media (hover: hover) and (pointer: fine) {
  .btn--secondary:hover:not(:disabled) {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: var(--color-accent-12);
  }
}

.btn--secondary.is-hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-12);
}

/* --------------------------------------------------------------------------
   PANEL
   Charcoal surface, 1px steel border. Borders define depth, not shadows.
   -------------------------------------------------------------------------- */

.panel {
  background-color: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  padding: var(--space-6);
  transition: border-color var(--dur-fast) var(--ease-sharp);
}

@media (hover: hover) and (pointer: fine) {
  .panel--interactive:hover {
    border-color: var(--color-border-strong);
  }
}

.panel__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-w) solid var(--color-border);
}

.panel__title {
  font-size: var(--text-md);
  line-height: var(--leading-snug);
}

.panel__body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.panel__footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-w) solid var(--color-border);
  color: var(--color-text-muted);
}

/* Live status: the one sanctioned use of a colored indicator.
   Square, not a dot; conveys real semantic state only. */
.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.status::before {
  content: "";
  width: 8px;
  height: 8px;
  background-color: currentColor;
}

.status--armed { color: var(--color-accent); }
.status--alert { color: var(--color-alert); }

/* --------------------------------------------------------------------------
   DIVIDER
   -------------------------------------------------------------------------- */

.divider {
  border: 0;
  border-top: var(--border-w) solid var(--color-border);
  margin: 0;
}