/* =========================================================
   OUIJA CTF — Components
   ========================================================= */

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out), height var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-header.is-stuck {
  height: 62px;
  background: rgba(7, 6, 11, 0.92);
  border-bottom-color: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  width: 100%;
}

/* ---- Brand ---- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text-bright);
}

.brand__sigil {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  color: var(--brass-400);
  filter: drop-shadow(0 0 10px rgba(217, 169, 74, 0.5));
  transition: transform var(--dur-slow) var(--ease-spirit), color var(--dur-base) var(--ease-out);
}

.brand:hover .brand__sigil {
  transform: rotate(180deg);
  color: var(--spectre-400);
}

.brand__name {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: var(--ls-wide);
  line-height: 1;
}

.brand__tag {
  display: block;
  font-family: var(--font-type);
  font-size: 0.58rem;
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--brass-500);
  margin-top: 3px;
}

/* ---- Nav ---- */
.nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--sp-3), 2vw, var(--sp-6));
}

.nav__link {
  position: relative;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-dim);
  padding-block: var(--sp-2);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brass-400), transparent);
  transform: scaleX(0);
  transition: transform var(--dur-base) var(--ease-out);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--brass-300);
}

.nav__link:hover::after,
.nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* ---- Mobile menu ---- */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--brass-300);
  background: rgba(19, 16, 27, 0.6);
}

@media (max-width: 860px) {
  .nav-toggle {
    display: grid;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-4);
    padding: var(--sp-6) clamp(var(--sp-4), 5vw, var(--sp-7)) var(--sp-7);
    background: rgba(7, 6, 11, 0.98);
    border-bottom: 1px solid var(--border);
    transform: translateY(-125%);
    transition: transform var(--dur-slow) var(--ease-out);
  }

  .nav.is-open {
    transform: translateY(0);
  }

  .nav__link {
    font-size: var(--fs-md);
    text-align: center;
  }

  .nav__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--brass-200);
  --btn-border: var(--border-strong);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: 0.85em 1.7em;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--r-sm);
  overflow: hidden;
  isolation: isolate;
  transition: color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out),
    transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

/* A wash of light sweeps across on hover */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, transparent 20%, rgba(238, 201, 122, 0.22) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform var(--dur-slow) var(--ease-out);
}

.btn:hover::before {
  transform: translateX(120%);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

/* Primary — brass plate lit by candlelight */
.btn--primary {
  --btn-fg: var(--void-900);
  --btn-border: transparent;
  background: linear-gradient(165deg, var(--brass-300) 0%, var(--brass-400) 42%, var(--brass-600) 100%);
  box-shadow: var(--glow-brass), inset 0 1px 0 rgba(255, 255, 255, 0.34);
  font-weight: 700;
}

.btn--primary:hover {
  box-shadow: var(--glow-brass-strong), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  color: #120c04;
}

/* Spectral — cold spirit light */
.btn--spectral {
  --btn-fg: var(--spectre-300);
  --btn-border: rgba(127, 212, 193, 0.4);
  background: rgba(88, 169, 154, 0.08);
}

.btn--spectral:hover {
  --btn-fg: var(--spectre-200);
  --btn-border: var(--spectre-400);
  box-shadow: var(--glow-spectre);
}

.btn--spectral::before {
  background: linear-gradient(120deg, transparent 20%, rgba(169, 236, 221, 0.22) 50%, transparent 80%);
}

/* Ghost — quiet tertiary */
.btn--ghost {
  --btn-fg: var(--text-dim);
  --btn-border: transparent;
}

.btn--ghost:hover {
  --btn-fg: var(--brass-300);
  --btn-border: var(--border);
}

.btn--danger {
  --btn-fg: var(--ember-300);
  --btn-border: rgba(200, 64, 47, 0.4);
}

.btn--danger:hover {
  --btn-fg: #ffd9d0;
  --btn-border: var(--ember-400);
  box-shadow: var(--glow-ember);
}

.btn--lg {
  padding: 1.05em 2.4em;
  font-size: var(--fs-base);
}

.btn--sm {
  padding: 0.6em 1.15em;
  font-size: var(--fs-xs);
}

.btn--block {
  width: 100%;
}

.btn__icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
}

/* Loading state: the button waits on the spirits */
.btn.is-loading {
  pointer-events: none;
  color: transparent;
}

.btn.is-loading::after {
  content: "";
  position: absolute;
  width: 1.15em;
  height: 1.15em;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  color: var(--brass-200);
  animation: spin 700ms linear infinite;
}

.btn--primary.is-loading::after {
  color: var(--void-900);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* =========================================================
   PANELS & CARDS
   ========================================================= */
.panel {
  position: relative;
  background: rgba(16, 14, 22, 0.94);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* Hairline of brass along the top edge, like a reliquary lid */
.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brass-400), transparent);
  opacity: 0.7;
}

.panel__body {
  padding: clamp(var(--sp-5), 4vw, var(--sp-7));
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  background: linear-gradient(165deg, rgba(28, 24, 38, 0.7) 0%, rgba(12, 10, 18, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(217, 169, 74, 0.09),
    transparent 62%
  );
  transition: opacity var(--dur-base) var(--ease-out);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg), var(--glow-brass);
}

.card:hover::after {
  opacity: 1;
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  color: var(--text-bright);
}

.card__text {
  font-size: var(--fs-sm);
  color: var(--text-dim);
  line-height: var(--lh-normal);
}

.card__rune {
  width: 44px;
  height: 44px;
  color: var(--brass-400);
  filter: drop-shadow(0 0 8px rgba(217, 169, 74, 0.4));
}

/* =========================================================
   FORM FIELDS
   ========================================================= */
.field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.field__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  font-family: var(--font-type);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--brass-400);
}

.field__hint {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-normal);
  text-transform: none;
  color: var(--parchment-500);
}

.field__shell {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(4, 3, 6, 0.55);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out);
}

.field__shell:focus-within {
  border-color: var(--border-strong);
  background: rgba(4, 3, 6, 0.78);
  box-shadow: 0 0 0 3px rgba(217, 169, 74, 0.1), var(--glow-brass);
}

.field__icon {
  width: 1.15rem;
  height: 1.15rem;
  margin-left: var(--sp-4);
  flex-shrink: 0;
  color: var(--parchment-500);
  transition: color var(--dur-base) var(--ease-out);
}

.field__shell:focus-within .field__icon {
  color: var(--brass-400);
}

.field__input,
.field__select {
  flex: 1;
  min-width: 0;
  padding: 0.9rem var(--sp-4);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--text-bright);
  letter-spacing: 0.01em;
}

.field__input::placeholder {
  color: var(--parchment-500);
  opacity: 0.7;
}

.field__input:autofill,
.field__input:-webkit-autofill {
  -webkit-text-fill-color: var(--text-bright);
  -webkit-box-shadow: 0 0 0 100px rgba(12, 10, 18, 0.99) inset;
}

/* Native select, restyled */
.field__select {
  appearance: none;
  cursor: pointer;
  padding-right: var(--sp-7);
  font-family: var(--font-serif);
  letter-spacing: var(--ls-wide);
}

.field__select option {
  background: var(--void-700);
  color: var(--text);
  font-family: var(--font-serif);
}

.field__select optgroup {
  background: var(--void-800);
  color: var(--brass-400);
  font-family: var(--font-type);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
}

.field__caret {
  position: absolute;
  right: var(--sp-4);
  width: 1rem;
  height: 1rem;
  pointer-events: none;
  color: var(--brass-400);
  transition: transform var(--dur-base) var(--ease-out);
}

.field__shell:focus-within .field__caret {
  transform: rotate(180deg);
}

/* Reveal-password eye */
.field__peek {
  display: grid;
  place-items: center;
  width: 2.6rem;
  align-self: stretch;
  color: var(--parchment-500);
  transition: color var(--dur-fast) var(--ease-out);
}

.field__peek:hover {
  color: var(--brass-300);
}

/* Validation */
.field__error {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: 1.15em;
  font-family: var(--font-type);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--ember-300);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

.field.has-error .field__error {
  opacity: 1;
  transform: none;
}

.field.has-error .field__shell {
  border-color: rgba(200, 64, 47, 0.6);
  box-shadow: 0 0 0 3px rgba(200, 64, 47, 0.1);
  animation: shudder 380ms var(--ease-out);
}

.field.is-valid .field__shell {
  border-color: rgba(127, 212, 193, 0.45);
}

@keyframes shudder {
  0%,
  100% {
    transform: translateX(0);
  }
  22% {
    transform: translateX(-6px);
  }
  44% {
    transform: translateX(5px);
  }
  66% {
    transform: translateX(-3px);
  }
  88% {
    transform: translateX(2px);
  }
}

/* Password strength — a candle burning brighter */
.strength {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-1);
}

.strength__track {
  flex: 1;
  height: 3px;
  border-radius: var(--r-full);
  background: rgba(244, 236, 216, 0.1);
  overflow: hidden;
}

.strength__fill {
  height: 100%;
  width: 0%;
  border-radius: var(--r-full);
  background: var(--ember-500);
  transition: width var(--dur-slow) var(--ease-out), background var(--dur-slow) var(--ease-out);
}

.strength__label {
  font-family: var(--font-type);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--parchment-500);
  min-width: 8ch;
  text-align: right;
}

/* Checkbox drawn as a wax seal */
.check {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--text-dim);
  line-height: var(--lh-snug);
}

.check input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.check__box {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-xs);
  background: rgba(4, 3, 6, 0.6);
  transition: background var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

.check__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--void-900);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform var(--dur-base) var(--ease-spirit);
}

.check input:checked + .check__box {
  background: linear-gradient(165deg, var(--brass-300), var(--brass-600));
  border-color: transparent;
  box-shadow: var(--glow-brass);
}

.check input:checked + .check__box::after {
  transform: rotate(45deg) scale(1);
}

.check input:focus-visible + .check__box {
  outline: 2px solid var(--brass-300);
  outline-offset: 3px;
}

/* =========================================================
   ALERT / TOAST
   ========================================================= */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: var(--r-sm);
  background: rgba(4, 3, 6, 0.6);
  font-size: var(--fs-sm);
  line-height: var(--lh-snug);
}

.alert--error {
  border-left-color: var(--ember-400);
  color: var(--ember-300);
}

.alert--success {
  border-left-color: var(--spectre-400);
  color: var(--spectre-300);
}

.alert--info {
  border-left-color: var(--brass-400);
  color: var(--brass-300);
}

.alert__icon {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert[hidden] {
  display: none;
}

/* Toasts summoned from the void */
.toast-deck {
  position: fixed;
  bottom: var(--sp-5);
  left: 50%;
  translate: -50% 0;
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  width: min(420px, calc(100vw - 2rem));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  color: var(--text-bright);
  animation: toast-in var(--dur-slow) var(--ease-spirit) forwards;
}

.toast--error {
  border-color: rgba(200, 64, 47, 0.5);
}

.toast--success {
  border-color: rgba(127, 212, 193, 0.5);
}

.toast.is-leaving {
  animation: toast-out var(--dur-base) var(--ease-out) forwards;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(-12px) scale(0.98);
  }
}

/* =========================================================
   BADGES & PILLS
   ========================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.3em 0.8em;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-family: var(--font-type);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-dim);
  background: rgba(4, 3, 6, 0.5);
}

.badge--brass {
  color: var(--brass-300);
  border-color: rgba(217, 169, 74, 0.4);
}

.badge--spectre {
  color: var(--spectre-300);
  border-color: rgba(127, 212, 193, 0.4);
}

.badge--ember {
  color: var(--ember-300);
  border-color: rgba(200, 64, 47, 0.4);
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.8);
  }
}

/* =========================================================
   DIVIDERS
   ========================================================= */
.rule {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  color: var(--parchment-500);
  font-family: var(--font-type);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
}

.rule::before,
.rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

/* Ornamental brass divider with a diamond at centre */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  color: var(--brass-500);
}

.ornament::before,
.ornament::after {
  content: "";
  width: clamp(50px, 16vw, 150px);
  height: 1px;
  background: linear-gradient(90deg, transparent, currentColor);
}

.ornament::after {
  background: linear-gradient(90deg, currentColor, transparent);
}

.ornament__gem {
  width: 9px;
  height: 9px;
  rotate: 45deg;
  background: currentColor;
  box-shadow: 0 0 12px rgba(217, 169, 74, 0.7);
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  position: relative;
  z-index: var(--z-content);
  margin-top: var(--sp-8);
  padding-block: var(--sp-6) var(--sp-5);
  border-top: 1px solid var(--border);
  background: linear-gradient(to bottom, transparent, rgba(2, 1, 4, 0.7));
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.site-footer__note {
  font-family: var(--font-type);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--parchment-500);
}

.site-footer__links {
  display: flex;
  gap: var(--sp-5);
  font-size: var(--fs-sm);
}