/* Login / sign-up page. Always on a deep espresso canvas, whatever the system theme. */

.auth-body {
  --espresso: #1A120C;
  --cream: #FBF6EE;
  --cream-muted: rgba(251, 246, 238, .66);
  --card: rgba(36, 26, 19, .62);
  --field: rgba(255, 246, 235, .06);
  --field-line: rgba(255, 240, 220, .14);
  --warn: #F2A97E;
  min-height: 100vh; min-height: 100dvh; padding: 0;
  background:
    radial-gradient(120% 80% at 50% 0%, #2A1D14 0%, var(--espresso) 60%, #120C08 100%);
  color: var(--cream);
  overflow-x: hidden;
  color-scheme: dark;
}

/* Slowly drifting light, like sun through greenhouse glass */
.ambient { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
/* Soft glows drawn as radial gradients (no blur filter: cheaper, and no compositing glitches) */
.blob { position: absolute; border-radius: 50%; animation: drift 22s ease-in-out infinite alternate; will-change: transform; }
.blob-green { width: 760px; height: 760px; left: -260px; top: -240px; background: radial-gradient(circle, rgba(47, 106, 71, .55) 0%, transparent 65%); }
.blob-magenta { width: 640px; height: 640px; right: -220px; bottom: -200px; background: radial-gradient(circle, rgba(150, 80, 45, .35) 0%, transparent 65%); animation-duration: 26s; animation-delay: -6s; }
.blob-gold { width: 420px; height: 420px; right: 18%; top: 2%; background: radial-gradient(circle, rgba(168, 130, 47, .18) 0%, transparent 65%); animation-duration: 30s; }
@keyframes drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(60px, 40px) scale(1.12); } }

/* Layout: brand panel + card on wide screens, stacked on phones */
.auth-layout {
  position: relative; z-index: 1;
  min-height: 100vh; min-height: 100dvh; max-width: 1120px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr minmax(0, 460px); gap: 28px; align-items: center;
  padding: 32px 24px;
  animation: page-in var(--dur-slow) var(--ease-out) both;
}

/* Brand panel (dark green) */
.brand {
  align-self: stretch; display: flex; flex-direction: column; justify-content: center; gap: 18px;
  padding: 44px 40px; border-radius: 36px; min-height: 560px;
}
.brand { --photo: url("/assets/images/web/plant-person.jpg"); --photo-pos: 50% 30%; }
/* Create account shows a second photo, crossfading over the first */
.brand-alt {
  position: absolute; inset: 0; z-index: -2; opacity: 0;
  background: url("/assets/images/web/living-room.jpg") 50% 40% / cover no-repeat;
  transition: opacity 700ms var(--ease-out);
  will-change: opacity;
}
.signup-mode .brand-alt { opacity: 1; }
.brand-mark { display: flex; align-items: center; gap: 14px; }
.brand-logo {
  width: 60px; height: 60px; border-radius: 16px; flex: none;
  box-shadow: 0 10px 24px -8px rgba(0, 0, 0, .55), 0 0 0 1px rgba(230, 205, 138, .35);
  animation: logo-bob 6s ease-in-out infinite;
}
.brand-name { font-size: 2.125rem; }
@keyframes logo-bob { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-3px) rotate(2deg); } }
.brand h1 { font-size: clamp(34px, 4.4vw, 52px); line-height: 1.04; letter-spacing: -0.035em; max-width: 13ch; }
.brand-sub { font-size: 1.125rem; font-weight: 500; color: var(--cream-muted); max-width: 34ch; }
.brand-points { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.brand-points li {
  display: flex; align-items: center; gap: 12px; font-size: 0.9375rem; font-weight: 600;
  padding: 10px 14px; border-radius: 16px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .08);
}
.brand-points li span { font-size: 1.125rem; }
.brand-points li.gold { border-color: rgba(230, 205, 138, .4); background: rgba(201, 162, 74, .12); color: #F3E2B0; }

/* Card: frosted espresso glass with a gold hairline */
/* Solid espresso glass (no live blur: blurring a moving background every frame was the lag) */
.auth-card {
  position: relative; padding: 28px; border-radius: 34px;
  background: linear-gradient(160deg, rgba(48, 35, 26, .96) 0%, rgba(30, 22, 16, .97) 100%);
  border: 1px solid rgba(230, 205, 138, .2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07), 0 30px 80px -30px rgba(0, 0, 0, .7), 0 0 0 1px rgba(0, 0, 0, .2);
}

/* Segmented control with a sliding green pill and gold halo */
.seg {
  position: relative; display: grid; grid-template-columns: 1fr 1fr; padding: 5px; margin-bottom: 26px;
  border-radius: 16px; background: rgba(0, 0, 0, .28); border: 1px solid rgba(255, 255, 255, .06);
}
.seg-pill {
  position: absolute; top: 5px; bottom: 5px; inset-inline-start: 5px; width: calc(50% - 5px); border-radius: 12px;
  background: var(--green-700);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 0 1px rgba(230, 205, 138, .35), 0 8px 18px -8px rgba(0, 0, 0, .6);
  transition: transform 520ms var(--ease-spring);
}
.mode-signup .seg-pill { transform: translateX(100%); }
.seg-btn {
  position: relative; z-index: 1; height: 42px; border: 0; background: none; border-radius: 12px;
  font-size: 0.875rem; font-weight: 700; color: var(--cream-muted); transition: color var(--dur);
}
.seg-btn[aria-pressed="true"] { color: var(--cream); }
.seg-btn:focus-visible { outline: 2px solid var(--magenta-300); outline-offset: 2px; }

.auth-head { margin-bottom: 22px; }
.auth-head h2 { font-size: 2rem; letter-spacing: -0.03em; }
.auth-sub { margin-top: 6px; color: var(--cream-muted); font-size: 0.9375rem; }
.swap-out { animation: swap-out 160ms var(--ease-out) forwards; }
.swap-in { animation: swap-in 320ms var(--ease-out); }
@keyframes swap-out { to { opacity: 0; transform: translateY(-4px); filter: blur(2px); } }
@keyframes swap-in { from { opacity: 0; transform: translateY(6px); filter: blur(2px); } }

/* Social sign-in: white buttons on dark, per Apple's HIG */
.social { display: grid; gap: 10px; }
.social-btn {
  position: relative; display: flex; align-items: center; justify-content: center; gap: 10px;
  height: 50px; border-radius: 14px; border: 1px solid rgba(255, 255, 255, .12);
  font-size: 0.9375rem; font-weight: 700; letter-spacing: -0.01em;
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur), background-color var(--dur);
}
.social-btn svg { width: 20px; height: 20px; flex: none; }
.social-apple { background: #FFFFFF; color: #000; }
.social-google { background: rgba(255, 255, 255, .08); color: var(--cream); }
@media (hover: hover) {
  .social-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px -12px rgba(0, 0, 0, .7); }
  .social-google:hover { background: rgba(255, 255, 255, .12); }
}
.social-btn:active { transform: scale(.97); }
.social-btn:focus-visible { outline: 2px solid var(--magenta-300); outline-offset: 3px; }

.divider { display: flex; align-items: center; gap: 12px; margin: 22px 0; font-size: 0.8125rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--cream-muted); }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, rgba(230, 205, 138, .35), transparent); }

/* Collapsible rows (name field, strength meter) */
.collapse { display: grid; grid-template-rows: 0fr; opacity: 0; transition: grid-template-rows 420ms var(--ease-out), opacity 300ms var(--ease-out); }
.collapse-inner { min-height: 0; overflow: hidden; }
.collapse.open { grid-template-rows: 1fr; opacity: 1; }

/* Floating-label fields (js/components/auth-field.js) */
.af { padding-bottom: 14px; }
.af-shell {
  position: relative; display: flex; align-items: center; height: 60px; border-radius: 16px;
  background: var(--field); border: 1px solid var(--field-line);
  transition: border-color var(--dur), box-shadow var(--dur), background-color var(--dur);
}
.af-shell:hover { border-color: rgba(255, 240, 220, .24); }
.af-shell:focus-within {
  border-color: var(--magenta-300); background: rgba(255, 246, 235, .08);
  box-shadow: 0 0 0 4px rgba(222, 132, 97, .22), 0 0 0 5px rgba(230, 205, 138, .12);
}
.af-icon { width: 52px; flex: none; display: grid; place-items: center; color: var(--cream-muted); transition: color var(--dur); }
.af-icon svg { width: 20px; height: 20px; }
.af-shell:focus-within .af-icon { color: var(--magenta-300); }
.af-input {
  flex: 1; min-width: 0; height: 100%; padding: 22px 12px 6px 0; border: 0; background: transparent;
  font-size: 1rem; font-weight: 600; color: var(--cream); outline: none;
}
.af-input:-webkit-autofill { -webkit-text-fill-color: var(--cream); transition: background-color 9999s; caret-color: var(--cream); }
.af-label {
  position: absolute; left: 52px; top: 50%; transform: translateY(-50%); transform-origin: left top;
  font-size: 1rem; font-weight: 600; color: var(--cream-muted); pointer-events: none;
  transition: transform 260ms var(--ease-out), color var(--dur), font-size 260ms var(--ease-out);
}
.af-input:focus + .af-label, .af-input:not(:placeholder-shown) + .af-label, .af-input:-webkit-autofill + .af-label {
  transform: translateY(-21px); font-size: 0.8125rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
}
.af-input:focus + .af-label { color: var(--magenta-300); }
.af-tick {
  flex: none; width: 26px; height: 26px; margin-inline-end: 12px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(93, 154, 102, .22); color: #A8D8B0; opacity: 0; transform: scale(.4);
  transition: opacity var(--dur), transform 420ms var(--ease-spring);
}
.af-tick svg { width: 16px; height: 16px; }
.af.is-valid .af-tick { opacity: 1; transform: none; }
.af-toggle {
  flex: none; width: 44px; height: 44px; margin-inline-end: 6px; border: 0; border-radius: 12px; background: none;
  display: grid; place-items: center; color: var(--cream-muted); transition: background-color var(--dur), color var(--dur), transform var(--dur) var(--ease-spring);
}
.af-toggle svg { width: 20px; height: 20px; }
.af-toggle:hover { background: rgba(255, 255, 255, .06); color: var(--cream); }
.af-toggle:active { transform: scale(.9); }
.af-toggle:focus-visible { outline: 2px solid var(--magenta-300); outline-offset: -2px; }
.af.is-valid:has(.af-toggle) .af-tick { margin-inline-end: 2px; }
.af.is-error .af-shell { border-color: rgba(242, 169, 126, .7); background: rgba(242, 169, 126, .06); }
.af.is-error .af-icon { color: var(--warn); }
.af-msg { min-height: 0; margin: 0; padding: 0 6px; font-size: 0.8125rem; font-weight: 600; color: var(--warn); }
.af-msg:not(:empty) { padding-top: 7px; animation: swap-in 260ms var(--ease-out); }

/* Password strength: Seedling → Sprouting → In full bloom */
.strength { padding: 0 4px 16px; }
.strength-bars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.strength-bars span { height: 5px; border-radius: 999px; background: rgba(255, 255, 255, .1); transition: background-color 300ms var(--ease-out), box-shadow 300ms; }
.strength[data-level="1"] .strength-bars span:nth-child(-n+1) { background: var(--warn); }
.strength[data-level="2"] .strength-bars span:nth-child(-n+2) { background: var(--gold-500); }
.strength[data-level="3"] .strength-bars span { background: #79B482; box-shadow: 0 0 10px rgba(121, 180, 130, .5); }
.strength-label { margin-top: 7px; font-size: 0.8125rem; font-weight: 700; color: var(--cream-muted); }
.strength[data-level="3"] .strength-label { color: #A8D8B0; }

.form-note {
  display: flex; gap: 10px; align-items: flex-start; margin: 2px 0 16px; padding: 12px 14px; border-radius: 14px;
  font-size: 0.875rem; font-weight: 600; line-height: 1.45;
  background: rgba(242, 169, 126, .1); border: 1px solid rgba(242, 169, 126, .3); color: #F7C9AE;
  animation: swap-in 300ms var(--ease-out);
}
.form-note[hidden] { display: none; }
.form-note.info { background: rgba(230, 205, 138, .1); border-color: rgba(230, 205, 138, .32); color: #F3E2B0; }

/* The magenta call to action */
.btn-cta {
  position: relative; width: 100%; height: 56px; margin-top: 4px; border: 0; border-radius: 16px;
  display: grid; place-items: center; overflow: hidden;
  background: #B4573A; color: #fff;
  font-size: 1.0625rem; font-weight: 800; letter-spacing: -0.01em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .28), 0 14px 30px -12px rgba(222, 132, 97, .75);
  transition: transform 420ms var(--ease-spring), box-shadow var(--dur), filter var(--dur), background 400ms;
}
.btn-cta::after {
  content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .22) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform 900ms var(--ease-out);
}
@media (hover: hover) {
  .btn-cta:hover { transform: translateY(-2px) scale(1.01); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .28), 0 20px 40px -14px rgba(222, 132, 97, .9); }
  .btn-cta:hover::after { transform: translateX(120%); }
}
.btn-cta:active { transform: scale(.96); transition-duration: 120ms; }
.btn-cta:focus-visible { outline: 2px solid var(--gold-300); outline-offset: 3px; }
.btn-cta > * { grid-area: 1 / 1; transition: opacity 200ms, transform 300ms var(--ease-spring); }
.cta-spinner { width: 34px; height: 8px; opacity: 0; background: radial-gradient(circle, #fff 3px, transparent 3.5px) 0 50% / 13px 8px repeat-x; animation: cta-dots 1s ease-in-out infinite; }
@keyframes cta-dots { 50% { opacity: .45; } }
.cta-check { width: 26px; height: 26px; opacity: 0; transform: scale(.4); }
.btn-cta.loading { pointer-events: none; }
.btn-cta.loading .cta-label { opacity: 0; transform: scale(.9); }
.btn-cta.loading .cta-spinner { opacity: 1; animation-name: cta-dots-on; }
@keyframes cta-dots-on { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
.btn-cta.done { background: #2F5E43; box-shadow: none; pointer-events: none; }
.btn-cta.done .cta-label, .btn-cta.done .cta-spinner { opacity: 0; }
.btn-cta.done .cta-check { opacity: 1; transform: none; }
.btn-cta.shake { animation: shake 420ms var(--ease-out); }

.switch-line { margin-top: 20px; text-align: center; font-size: 0.875rem; color: var(--cream-muted); }
.link-btn { border: 0; background: none; padding: 2px 4px; font-weight: 800; color: var(--magenta-300); border-radius: 6px; text-decoration: underline; text-decoration-color: rgba(226, 162, 133, .4); text-underline-offset: 3px; }
.link-btn:hover { color: #F2C2AC; }
.link-btn:focus-visible { outline: 2px solid var(--magenta-300); outline-offset: 2px; }
.fine-print { margin-top: 10px; text-align: center; font-size: 0.8125rem; color: rgba(251, 246, 238, .66); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shake { 0%, 100% { transform: none; } 20% { transform: translateX(-6px); } 40% { transform: translateX(5px); } 60% { transform: translateX(-3px); } 80% { transform: translateX(2px); } }
@keyframes sway { 0%, 100% { transform: rotate(-3deg); } 50% { transform: rotate(3deg); } }

@supports (corner-shape: squircle) {
  .brand, .auth-card { corner-shape: squircle; border-radius: 56px; }
  .af-shell, .btn-cta, .social-btn, .seg { corner-shape: squircle; border-radius: 24px; }
}

/* Tablet: card centred, brand becomes a compact header */
@media (max-width: 900px) {
  .auth-layout { grid-template-columns: minmax(0, 520px); justify-content: center; gap: 18px; padding: 24px 18px 32px; align-content: start; }
  .brand { min-height: 0; padding: 26px 24px; gap: 12px; border-radius: 30px; }
  .brand h1 { font-size: 1.875rem; max-width: none; }
  .brand-sub { font-size: 0.9375rem; }
  .brand-points { display: none; }
}
@media (max-width: 420px) {
  .auth-layout { padding: 14px 12px 24px; }
  .auth-card { padding: 22px 18px; border-radius: 28px; }
  .auth-head h2 { font-size: 1.75rem; }
  .brand { padding: 20px; }
  .brand h1 { font-size: 1.625rem; }
}

@media (prefers-reduced-motion: reduce) {
  .blob, .brand-logo { animation: none; }
  .seg-pill, .collapse, .btn-cta, .btn-cta > *, .af-label, .af-tick { transition: none; }
}

/* The login page has its own espresso canvas: no shared cloud layers here */
.auth-body::before, .auth-body::after { display: none; }
.fine-print a { color: inherit; text-underline-offset: 2px; }

/* Sign-up: age and terms, never pre-ticked */
.consent-check { display: flex; gap: 12px; align-items: flex-start; margin: 4px 0 6px; font-size: .9375rem; line-height: 1.5; color: var(--cream-muted); cursor: pointer; }
.consent-check input { flex: none; width: 22px; height: 22px; margin: 1px 0 0; accent-color: var(--green-500); cursor: pointer; }
.consent-check a { color: #F3E2B0; font-weight: 700; }
.consent-msg { min-height: 1.2em; margin: 0 0 8px; font-size: .875rem; font-weight: 700; color: #F2B39A; }