/* sv-modal-system.css
   Canonical Session Vault modal and tray primitives for the beta app.
   Visual source: current sign-in and reset/master-password flows. */

:root {
  --sv-modal-bg: rgba(7, 7, 11, 0.86);
  --sv-modal-bg-strong: rgba(10, 10, 14, 0.92);
  --sv-modal-line: rgba(255, 255, 255, 0.12);
  --sv-modal-line-strong: rgba(255, 255, 255, 0.20);
  --sv-modal-text: rgba(255, 255, 255, 0.94);
  --sv-modal-muted: rgba(255, 255, 255, 0.58);
  --sv-modal-dim: rgba(255, 255, 255, 0.38);
  --sv-modal-shadow: 0 34px 96px -22px rgba(0, 0, 0, 0.88), 0 10px 30px -12px rgba(0, 0, 0, 0.65);
}

.sv-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9200;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 34px);
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(44, 102, 177, 0.20), transparent 62%),
    rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(12px) saturate(1.12);
  -webkit-backdrop-filter: blur(12px) saturate(1.12);
  color: var(--sv-modal-text);
  font-family: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

.sv-modal-card,
.sv-tray {
  position: relative;
  isolation: isolate;
  color: var(--sv-modal-text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.014)),
    var(--sv-modal-bg);
  border: 1px solid var(--sv-modal-line);
  box-shadow: var(--sv-modal-shadow);
  backdrop-filter: blur(28px) saturate(1.42);
  -webkit-backdrop-filter: blur(28px) saturate(1.42);
  font-family: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

.sv-modal-card::after,
.sv-tray::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), transparent 24%, transparent 74%, rgba(255,255,255,0.025));
}

.sv-modal-card {
  width: min(100%, 620px);
  max-height: min(86vh, 820px);
  border-radius: 24px;
  overflow: hidden;
}

.sv-tray {
  position: fixed;
  z-index: 9100;
  top: 16px;
  right: 16px;
  bottom: 16px;
  width: min(440px, calc(100vw - 32px));
  border-radius: 24px;
  overflow: hidden;
}

.sv-modal-head,
.sv-tray-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 30px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sv-modal-body,
.sv-tray-body {
  position: relative;
  z-index: 1;
  padding: 22px 30px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.sv-modal-card .sv-modal-body {
  max-height: calc(min(86vh, 820px) - 156px);
}

.sv-tray-body {
  height: calc(100% - 142px);
}

.sv-modal-foot,
.sv-tray-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 18px 30px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sv-modal-title {
  margin: 0;
  color: var(--sv-modal-text);
  font-family: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 550;
  line-height: 1.12;
  letter-spacing: 0;
}

.sv-hero.sv-hero--modal {
  margin: 0;
  color: rgba(255,255,255,0.95);
  font-family: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0;
  background: linear-gradient(110deg,
    oklch(0.82 0.13 250) 0%, oklch(0.88 0.10 200) 12%,
    oklch(0.92 0.10 110) 24%, oklch(0.85 0.18 70) 34%,
    oklch(0.80 0.20 25) 44%, oklch(0.78 0.22 340) 55%,
    oklch(0.80 0.18 295) 67%, oklch(0.86 0.13 220) 78%,
    oklch(0.90 0.12 175) 88%, oklch(0.82 0.13 250) 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: sv-holo-flow 7.5s linear infinite;
}

@keyframes sv-holo-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.sv-modal-subtitle,
.sv-tray-subtitle {
  margin: 8px 0 0;
  max-width: 54ch;
  color: var(--sv-modal-muted);
  font-size: 13.5px;
  line-height: 1.62;
  letter-spacing: 0;
}

.sv-modal-close,
.sv-tray-close {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(255,255,255,0.035);
  color: rgba(255,255,255,0.72);
  cursor: pointer;
  font: 18px/1 'Geist', system-ui, sans-serif;
  transition: transform 0.15s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.sv-modal-close:hover,
.sv-tray-close:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.24);
  background: rgba(255,255,255,0.075);
}

.sv-modal-close:active,
.sv-tray-close:active {
  transform: scale(0.96);
}

.sv-submit {
  position: relative;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 22px;
  border-radius: 18px;
  border: 1px solid color-mix(in oklab, var(--sv-auth-cta, #2c66b1) 72%, white 18%);
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--sv-auth-cta, #2c66b1) 92%, white 8%) 0%,
    color-mix(in oklab, var(--sv-auth-cta, #2c66b1) 82%, black 18%) 100%);
  color: #fff;
  font-family: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 11.5px;
  font-weight: 650;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.20), inset 0 -1px 0 rgba(0,0,0,0.30), 0 24px 50px -16px rgba(0,0,0,0.85), 0 6px 16px -4px rgba(0,0,0,0.55);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  transition: transform .15s, box-shadow .35s, border-color .35s, background .35s;
}

.sv-submit:hover {
  border-color: color-mix(in oklab, var(--sv-auth-cta, #2c66b1) 78%, white 22%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.24), inset 0 -1px 0 rgba(0,0,0,0.25), 0 24px 54px -16px color-mix(in oklab, var(--sv-auth-cta, #2c66b1) 42%, transparent), 0 8px 20px -8px rgba(0,0,0,0.70);
}

.sv-submit:active { transform: translateY(1px); }

.sv-submit:disabled,
.sv-submit[aria-disabled="true"] {
  background: linear-gradient(180deg, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.035) 100%);
  border-color: rgba(255,255,255,0.16);
  color: rgba(255,255,255,0.70);
  cursor: not-allowed;
  transform: none;
}

.sv-submit--secondary {
  background: rgba(255,255,255,0.045);
  border-color: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.78);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10);
}

.sv-submit--secondary:hover {
  background: rgba(255,255,255,0.075);
  border-color: rgba(255,255,255,0.20);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16);
}

.sv-submit__sheen {
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  pointer-events: none;
}

.sv-submit__shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 38%, rgba(255,255,255,0.18) 49%, rgba(255,255,255,0.28) 50%, rgba(255,255,255,0.18) 51%, transparent 62%);
  animation: sv-btn-shimmer 7.5s ease-in-out infinite;
  pointer-events: none;
  mix-blend-mode: overlay;
}

.sv-submit__label {
  position: relative;
  z-index: 1;
}

@keyframes sv-btn-shimmer {
  0% { transform: translateX(-110%); opacity: 0; }
  18% { opacity: 1; }
  50% { transform: translateX(110%); opacity: 1; }
  100% { transform: translateX(110%); opacity: 0; }
}

:root[data-theme="light"] .sv-modal-backdrop {
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(44, 102, 177, 0.18), transparent 62%),
    rgba(10, 10, 14, 0.30);
}

:root[data-theme="light"] .sv-modal-card,
:root[data-theme="light"] .sv-tray {
  color: rgba(14, 14, 18, 0.92);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.78), rgba(255,255,255,0.58)),
    rgba(248, 248, 250, 0.76);
  border-color: rgba(10,10,14,0.08);
}

:root[data-theme="light"] .sv-modal-title {
  color: rgba(14, 14, 18, 0.94);
}

:root[data-theme="light"] .sv-modal-subtitle,
:root[data-theme="light"] .sv-tray-subtitle {
  color: rgba(14, 14, 18, 0.58);
}

@media (max-width: 720px) {
  .sv-modal-backdrop {
    align-items: end;
    padding: 12px;
  }
  .sv-modal-card {
    width: 100%;
    max-height: calc(100dvh - 24px);
    border-radius: 22px;
  }
  .sv-modal-head,
  .sv-modal-body,
  .sv-modal-foot {
    padding-left: 22px;
    padding-right: 22px;
  }
  .sv-modal-foot,
  .sv-tray-foot {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  .sv-tray {
    inset: calc(10px + env(safe-area-inset-top, 0px)) 10px calc(10px + env(safe-area-inset-bottom, 0px));
    width: auto;
    border-radius: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sv-hero.sv-hero--modal,
  .sv-submit__shimmer {
    animation: none !important;
  }
  .sv-modal-close,
  .sv-tray-close,
  .sv-submit {
    transition: none !important;
  }
}