/* Component library. Class and variant names are fixed by docs/design-brief.md section 7.
   Cinematic HUD look: corner brackets, glows, scanline and grid overlays.
   Rules: no opacity for disabled or locked states (explicit colours and dashed borders instead),
   text contrast at least 4.5:1, and every focusable component shows the global 3px --c-focus ring. */

/* ------------------------------------------------------------------ c-btn */
.c-btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  min-height: 44px; min-width: 44px; padding: var(--s-2) var(--s-5);
  font-family: var(--f-display); font-weight: 700; font-size: var(--t-sm);
  line-height: 1.2; text-transform: uppercase; letter-spacing: .06em; text-decoration: none;
  color: var(--c-text); background: rgba(22, 33, 58, .55);
  border: 1px solid var(--c-line-strong); border-radius: var(--r-2);
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out), border-color var(--d-fast) var(--ease-out),
    color var(--d-fast) var(--ease-out), box-shadow var(--d-med) var(--ease-out), transform var(--d-fast) var(--ease-out);
}
.c-btn svg { width: 1.25em; height: 1.25em; flex: none; }
.c-btn:hover { border-color: var(--c-signal); color: var(--c-text); box-shadow: 0 0 18px rgba(59, 227, 255, .25); }
.c-btn:active { transform: translateY(1px); }
.c-btn--primary {
  background: linear-gradient(180deg, #6AEEFF 0%, var(--c-signal) 100%);
  color: var(--c-signal-ink); border-color: var(--c-signal);
  box-shadow: 0 0 0 1px rgba(59, 227, 255, .25), 0 0 22px rgba(59, 227, 255, .35);
}
.c-btn--primary:hover { background: #fff; border-color: #fff; color: var(--c-signal-ink); box-shadow: 0 0 34px rgba(59, 227, 255, .6); }
.c-btn--ghost { background: transparent; color: var(--c-signal); border-color: var(--c-signal); }
.c-btn--ghost:hover { background: rgba(59, 227, 255, .12); color: var(--c-text); }
.c-btn--amber { background: transparent; color: var(--c-amber); border-color: var(--c-amber); }
.c-btn--amber:hover { background: var(--c-amber); color: var(--c-signal-ink); box-shadow: 0 0 24px rgba(255, 178, 36, .45); border-color: var(--c-amber); }
.c-btn--lg { min-height: 52px; padding: var(--s-3) var(--s-6); font-size: var(--t-base); }
.c-btn--block { width: 100%; }

/* Disabled: explicit colours and a dashed border, never opacity. Text is --c-text-muted on --c-panel (about 7:1). */
.c-btn:disabled, .c-btn[aria-disabled="true"],
.c-btn--primary:disabled, .c-btn--primary[aria-disabled="true"],
.c-btn--ghost:disabled, .c-btn--ghost[aria-disabled="true"],
.c-btn--amber:disabled, .c-btn--amber[aria-disabled="true"] {
  cursor: not-allowed;
  background: var(--c-panel); color: var(--c-text-muted);
  border: 1px dashed var(--c-line-strong); box-shadow: none; transform: none;
}
.c-btn:disabled:hover, .c-btn[aria-disabled="true"]:hover {
  background: var(--c-panel); color: var(--c-text-muted); border-color: var(--c-line-strong); box-shadow: none;
}

/* ------------------------------------------------------------------ c-panel */
.c-panel {
  position: relative; padding: var(--s-5);
  background:
    linear-gradient(180deg, rgba(22, 33, 58, .55), rgba(15, 23, 41, .92)),
    var(--c-panel);
  border: 1px solid var(--c-line); border-radius: var(--r-1);
  box-shadow: inset 0 0 40px rgba(59, 227, 255, .04), 0 12px 32px rgba(0, 0, 0, .35);
}
.c-panel::before, .c-panel::after {
  content: ""; position: absolute; width: 16px; height: 16px; pointer-events: none;
  border: 2px solid var(--c-signal);
  filter: drop-shadow(0 0 4px rgba(59, 227, 255, .7));
}
.c-panel::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.c-panel::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.c-panel__label {
  display: block; margin-bottom: var(--s-3);
  font-family: var(--f-mono); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: .14em;
  color: var(--c-text-muted);
}

/* ------------------------------------------------------------------ c-eyebrow */
.c-eyebrow {
  font-family: var(--f-mono); font-size: var(--t-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: .16em; color: var(--c-signal); margin: 0 0 var(--s-3);
}
.c-eyebrow::before { content: "\258D"; margin-right: var(--s-2); }

/* ------------------------------------------------------------------ c-stat */
.c-stat { display: flex; flex-direction: column; gap: var(--s-1); }
.c-stat__value {
  font-family: var(--f-display); font-weight: 700; font-size: var(--t-xl); line-height: 1.1;
  color: var(--c-text); text-shadow: 0 0 18px rgba(59, 227, 255, .35);
  font-variant-numeric: tabular-nums;
}
.c-stat__label { font-size: var(--t-sm); color: var(--c-text-muted); }

/* ------------------------------------------------------------------ c-chip (date) */
.c-chip {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 44px; min-width: 56px; padding: var(--s-2) var(--s-3);
  font-family: var(--f-mono); font-size: var(--t-sm);
  color: var(--c-text); background: var(--c-panel); border: 1px solid var(--c-line-strong);
  border-radius: var(--r-2); cursor: pointer;
  transition: border-color var(--d-fast) var(--ease-out), background var(--d-fast) var(--ease-out);
}
.c-chip:hover { border-color: var(--c-signal); }
.c-chip[aria-checked="true"], .c-chip.is-selected, .c-chip[aria-pressed="true"] {
  background: var(--c-signal); color: var(--c-signal-ink); border-color: var(--c-signal);
  box-shadow: 0 0 16px rgba(59, 227, 255, .4);
}
.c-chip:disabled, .c-chip[aria-disabled="true"] {
  cursor: not-allowed; background: var(--c-bg-2); color: var(--c-text-muted); border: 1px dashed var(--c-line-strong);
}

/* ------------------------------------------------------------------ c-seg (block picker) */
.c-seg {
  display: inline-flex; flex-wrap: wrap; gap: var(--s-1); padding: var(--s-1);
  background: var(--c-bg-2); border: 1px solid var(--c-line); border-radius: var(--r-2);
}
.c-seg > button, .c-seg__item {
  min-height: 44px; padding: var(--s-2) var(--s-4);
  font-size: var(--t-sm); font-weight: 500; color: var(--c-text);
  background: transparent; border: 1px solid transparent; border-radius: var(--r-1); cursor: pointer;
  transition: background var(--d-fast) var(--ease-out), border-color var(--d-fast) var(--ease-out);
}
.c-seg > button:hover, .c-seg__item:hover { border-color: var(--c-line-strong); }
.c-seg > button[aria-checked="true"], .c-seg__item[aria-checked="true"] {
  background: var(--c-panel-2); border-color: var(--c-signal); color: var(--c-signal);
  box-shadow: inset 0 0 12px rgba(59, 227, 255, .18);
}
.c-seg > button:disabled, .c-seg__item:disabled,
.c-seg > button[aria-disabled="true"], .c-seg__item[aria-disabled="true"] {
  color: var(--c-text-dim); background: var(--c-bg-2); border: 1px dashed var(--c-line-strong);
  cursor: not-allowed; text-decoration: line-through;
}

/* ------------------------------------------------------------------ c-readout (key/value telemetry) */
.c-readout {
  display: grid; grid-template-columns: auto 1fr; gap: var(--s-1) var(--s-4); margin: 0;
  font-family: var(--f-mono); font-size: var(--t-sm);
}
.c-readout dt { display: flex; align-items: center; color: var(--c-text-muted); text-transform: uppercase; letter-spacing: .08em; font-size: var(--t-xs); }
.c-readout dd { margin: 0; color: var(--c-text); text-align: right; font-variant-numeric: tabular-nums; }
.c-readout dt, .c-readout dd { padding-block: var(--s-1); border-bottom: 1px dashed var(--c-line); }

/* ------------------------------------------------------------------ c-option (weather card) */
.c-option {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: var(--s-2);
  width: 100%; min-height: 44px; padding: var(--s-4); text-align: left;
  background: linear-gradient(180deg, var(--c-panel-2), var(--c-panel));
  color: var(--c-text);
  border: 1px solid var(--c-line-strong); border-radius: var(--r-2); cursor: pointer;
  transition: box-shadow var(--d-med) var(--ease-out), border-color var(--d-fast) var(--ease-out), transform var(--d-fast) var(--ease-out);
}
.c-option svg { width: 32px; height: 32px; flex: none; color: var(--c-text); }
.c-option__badge {
  display: inline-flex; align-items: center; gap: var(--s-1);
  font-family: var(--f-mono); font-size: var(--t-xs); font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
}
.c-option__badge svg { width: 14px; height: 14px; }
.c-option:hover { transform: translateY(-1px); }

/* available: green edge glow */
.c-option--available {
  border-color: var(--c-go);
  box-shadow: 0 0 0 1px rgba(61, 255, 168, .35), 0 0 22px rgba(61, 255, 168, .3), inset 0 0 26px rgba(61, 255, 168, .1);
}
.c-option--available svg { color: var(--c-go); }
.c-option--available .c-option__badge { color: var(--c-go); }
.c-option--available:hover { box-shadow: 0 0 0 1px var(--c-go), 0 0 34px rgba(61, 255, 168, .5), inset 0 0 30px rgba(61, 255, 168, .16); }

/* reserved: diagonal hatch, lock, "ALREADY RESERVED". Explicit colours, no opacity. */
.c-option--reserved {
  cursor: not-allowed; border: 1px dashed var(--c-line-strong); color: var(--c-text-muted);
  background: repeating-linear-gradient(135deg, var(--c-panel) 0 8px, #1B2846 8px 10px);
}
.c-option--reserved svg { color: var(--c-text-dim); }
.c-option--reserved .c-option__badge { color: var(--c-text-muted); }
.c-option--reserved:hover { transform: none; border-color: var(--c-text-dim); }

/* premium: amber edge, star, "PAID MEMBERSHIP ONLY" */
.c-option--premium {
  border-color: var(--c-amber); cursor: pointer;
  background: linear-gradient(180deg, #2A2412 0%, var(--c-panel) 70%);
  box-shadow: inset 0 2px 0 var(--c-amber), 0 0 16px rgba(255, 178, 36, .16);
}
.c-option--premium svg { color: var(--c-amber); }
.c-option--premium .c-option__badge { color: var(--c-amber); }
.c-option--premium:hover { box-shadow: inset 0 2px 0 var(--c-amber), 0 0 28px rgba(255, 178, 36, .36); }

/* selected: drawn with border and box-shadow so the global focus ring is never overridden */
.c-option--selected, .c-option--selected.c-option--available {
  border-color: var(--c-signal);
  background: linear-gradient(180deg, #1B3A55, var(--c-panel-2));
  box-shadow: 0 0 0 2px var(--c-signal), 0 0 30px rgba(59, 227, 255, .45), inset 0 0 24px rgba(59, 227, 255, .16);
}
.c-option--selected svg { color: var(--c-signal); }
.c-option--selected .c-option__badge { color: var(--c-signal); }

/* ------------------------------------------------------------------ c-dialog */
.c-dialog {
  position: relative;
  width: min(92vw, 34rem); padding: var(--s-6) var(--s-5) var(--s-5);
  background: linear-gradient(180deg, var(--c-panel-2), var(--c-panel) 40%);
  color: var(--c-text);
  border: 1px solid var(--c-line-strong); border-top: 3px solid var(--c-signal); border-radius: var(--r-2);
  box-shadow: 0 0 0 1px rgba(59, 227, 255, .12), 0 24px 80px rgba(0, 0, 0, .7), 0 0 60px rgba(59, 227, 255, .12);
}
.c-dialog[open] { animation: c-dialog-in var(--d-med) var(--ease-out); }
.c-dialog::backdrop {
  background: var(--g-scanlines), radial-gradient(ellipse at 50% 40%, rgba(10, 15, 28, .82), rgba(0, 0, 0, .92));
  backdrop-filter: blur(3px);
}
.c-dialog--amber { border-top-color: var(--c-amber); }
.c-dialog--alert { border-top-color: var(--c-alert); }
.c-dialog__title { margin-top: 0; font-size: var(--t-lg); }
.c-dialog__code { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--c-text-muted); margin: 0 0 var(--s-3); }
.c-dialog__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-5); }
@keyframes c-dialog-in { from { transform: translateY(12px) scale(.98); } to { transform: none; } }

/* ------------------------------------------------------------------ c-toast */
.c-toast {
  position: fixed; left: 50%; bottom: var(--s-5); transform: translateX(-50%); z-index: 900;
  max-width: 92vw; padding: var(--s-3) var(--s-5);
  background: var(--c-panel-2); color: var(--c-text);
  border: 1px solid var(--c-signal); border-left: 4px solid var(--c-signal); border-radius: var(--r-2);
  box-shadow: 0 10px 40px rgba(0, 0, 0, .6), 0 0 24px rgba(59, 227, 255, .25);
  font-family: var(--f-mono); font-size: var(--t-sm);
  animation: c-toast-in var(--d-med) var(--ease-out);
}
@keyframes c-toast-in { from { transform: translate(-50%, 16px); } to { transform: translateX(-50%); } }

/* ------------------------------------------------------------------ c-status (radar sweep plus message plus retry) */
.c-status {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4); padding: var(--s-4);
  background: var(--c-panel); border: 1px solid var(--c-line); border-left: 3px solid var(--c-signal); border-radius: var(--r-2);
}
.c-status__radar {
  position: relative; width: 44px; height: 44px; flex: none; border-radius: 50%;
  border: 1px solid var(--c-signal); overflow: hidden;
  background:
    linear-gradient(var(--c-line), var(--c-line)) center / 1px 100% no-repeat,
    linear-gradient(var(--c-line), var(--c-line)) center / 100% 1px no-repeat,
    radial-gradient(circle, transparent 0 34%, rgba(59, 227, 255, .35) 35% 37%, transparent 38% 66%, rgba(59, 227, 255, .35) 67% 69%, transparent 70%),
    #041018;
}
.c-status__radar::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(59, 227, 255, .75), rgba(59, 227, 255, 0) 65%);
  animation: c-sweep 2s linear infinite;
}
.c-status__message { flex: 1 1 12rem; margin: 0; }
.c-status--error { border-color: var(--c-alert); border-left-color: var(--c-alert); }
.c-status--error .c-status__radar { border-color: var(--c-alert); }
.c-status--error .c-status__radar::after { background: conic-gradient(from 0deg, rgba(255, 77, 94, .75), rgba(255, 77, 94, 0) 65%); }
@keyframes c-sweep { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------------ c-log (terminal lines) */
.c-log {
  margin: 0; padding: var(--s-4); list-style: none;
  background: var(--g-scanlines), linear-gradient(180deg, #02060B, #000);
  border: 1px solid var(--c-line); border-radius: var(--r-1);
  box-shadow: inset 0 0 30px rgba(61, 255, 168, .06);
  font-family: var(--f-mono); font-size: var(--t-sm); color: var(--c-go);
}
.c-log li { position: relative; padding-left: 1.4em; }
.c-log li::before { content: "\203A"; position: absolute; left: 0; color: var(--c-signal); }
.c-log li + li { margin-top: var(--s-1); }
.c-log li:last-child { text-shadow: 0 0 10px rgba(61, 255, 168, .6); }

/* ------------------------------------------------------------------ c-ticket */
.c-ticket {
  position: relative; padding: var(--s-6) var(--s-5);
  background:
    var(--g-scanlines),
    linear-gradient(135deg, var(--c-panel-2) 0%, var(--c-panel) 55%);
  border: 1px solid var(--c-line-strong); border-radius: var(--r-2);
  box-shadow: 0 0 40px rgba(59, 227, 255, .12), inset 0 0 0 1px rgba(59, 227, 255, .08);
  font-family: var(--f-mono);
  -webkit-mask: radial-gradient(circle 9px at 0 50%, transparent 98%, #000) left / 51% 100% no-repeat, radial-gradient(circle 9px at 100% 50%, transparent 98%, #000) right / 51% 100% no-repeat;
  mask: radial-gradient(circle 9px at 0 50%, transparent 98%, #000) left / 51% 100% no-repeat, radial-gradient(circle 9px at 100% 50%, transparent 98%, #000) right / 51% 100% no-repeat;
}
/* perforation: a column of punched holes down each edge */
.c-ticket::before, .c-ticket::after {
  content: ""; position: absolute; top: 12px; bottom: 12px; width: 8px; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, var(--c-bg) 2.5px, transparent 3px) center top / 8px 14px repeat-y;
}
.c-ticket::before { left: 3px; }
.c-ticket::after { right: 3px; }
.c-ticket__tear { border: 0; border-top: 2px dashed var(--c-line-strong); margin: var(--s-4) calc(-1 * var(--s-5)); }
.c-ticket__seal {
  color: var(--c-go); border: 2px solid var(--c-go); border-radius: var(--r-2);
  padding: var(--s-1) var(--s-3); display: inline-block; transform: rotate(-4deg);
  font-weight: 600; letter-spacing: .12em; text-shadow: 0 0 10px rgba(61, 255, 168, .5);
}

/* ------------------------------------------------------------------ c-steps */
.c-steps { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-3); margin: 0; padding: 0; list-style: none; counter-reset: c-step; }
.c-steps > li {
  counter-increment: c-step; display: flex; align-items: center; gap: var(--s-2);
  color: var(--c-text-muted); font-size: var(--t-sm);
}
.c-steps > li::before {
  content: counter(c-step); display: inline-grid; place-items: center; width: 28px; height: 28px; flex: none;
  border: 1px solid var(--c-line-strong); border-radius: 50%; font-family: var(--f-mono); background: var(--c-bg-2);
}
.c-steps > li:not(:last-child)::after { content: ""; width: 20px; height: 1px; margin-left: var(--s-1); background: var(--c-line-strong); }
.c-steps > li.is-done, .c-steps > li[data-state="done"] { color: var(--c-go); }
.c-steps > li.is-done::before, .c-steps > li[data-state="done"]::before { border-color: var(--c-go); color: var(--c-go); }
.c-steps > li[aria-current="step"] { color: var(--c-signal); font-weight: 600; }
.c-steps > li[aria-current="step"]::before {
  background: var(--c-signal); color: var(--c-signal-ink); border-color: var(--c-signal);
  box-shadow: 0 0 14px rgba(59, 227, 255, .6);
}

/* ------------------------------------------------------------------ c-tier */
.c-tier {
  position: relative; display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-6) var(--s-5) var(--s-5);
  background: linear-gradient(180deg, var(--c-panel-2), var(--c-panel) 45%);
  border: 1px solid var(--c-line-strong); border-radius: var(--r-2);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .35);
}
.c-tier::before {
  content: ""; position: absolute; left: -1px; right: -1px; top: -1px; height: 3px;
  background: linear-gradient(90deg, var(--c-signal), var(--c-violet)); border-radius: var(--r-2) var(--r-2) 0 0;
}
.c-tier--featured { border-color: var(--c-signal); box-shadow: 0 0 36px rgba(59, 227, 255, .2), 0 12px 32px rgba(0, 0, 0, .35); }
.c-tier--sovereign { border-color: var(--c-amber); background: linear-gradient(180deg, #2A2412, var(--c-panel) 50%); }
.c-tier--sovereign::before { background: linear-gradient(90deg, var(--c-amber), #FFE08A); }
.c-tier__tag {
  align-self: flex-start; padding: 2px var(--s-2); border: 1px solid currentColor; border-radius: var(--r-1);
  font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--c-signal);
}
.c-tier--sovereign .c-tier__tag { color: var(--c-amber); }
.c-tier__name { font-family: var(--f-display); font-weight: 700; font-size: var(--t-lg); text-transform: uppercase; letter-spacing: .04em; margin: 0; }
.c-tier__price { font-family: var(--f-mono); font-size: var(--t-xl); color: var(--c-signal); margin: 0; line-height: 1.1; }
.c-tier--sovereign .c-tier__price { color: var(--c-amber); }
.c-tier__price small { font-size: var(--t-sm); color: var(--c-text-muted); }
.c-tier__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-2); font-size: var(--t-sm); }
.c-tier__list li { position: relative; padding-left: 1.5em; }
.c-tier__list li::before { content: "\25B8"; position: absolute; left: 0; color: var(--c-signal); }
.c-tier--sovereign .c-tier__list li::before { color: var(--c-amber); }

/* ------------------------------------------------------------------ c-avatar */
.c-avatar {
  display: inline-block; width: 96px; height: 96px; border-radius: var(--r-2); overflow: hidden;
  background: var(--c-panel-2); border: 1px solid var(--c-line-strong);
  box-shadow: 0 0 18px rgba(59, 227, 255, .15);
}
.c-avatar > svg { width: 100%; height: 100%; }

/* ------------------------------------------------------------------ overlays and focus */
.c-overlay-scan { position: relative; }
.c-overlay-scan::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: var(--g-scanlines); }
.c-overlay-grid { position: relative; }
.c-overlay-grid::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .22;
  background: var(--g-grid); background-size: var(--g-grid-size);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 75%);
}

/* Every focusable component shows the 3px --c-focus ring. */
.c-btn:focus-visible, .c-chip:focus-visible, .c-seg > button:focus-visible, .c-seg__item:focus-visible,
.c-option:focus-visible, .c-dialog:focus-visible, .c-toast:focus-visible, .c-status:focus-visible,
.c-ticket:focus-visible, .c-tier:focus-visible, .c-panel:focus-visible, .c-log:focus-visible,
.c-avatar:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--c-focus); outline-offset: 3px;
}