/* ===== Theme (light default, dark if preferred/forced) */
:root{
  color-scheme: light;
  --bg: #f3f6fb;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(17, 24, 39, 0.06);
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --radius: 12px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 45px rgba(0,0,0,.20);
  --ring: 2px solid rgba(37,99,235,.35);

  /* Layout locks (tighter) */
  --card-min-h: 380px;
  --title-gap-b: 4px;
  --intro-min-h: 0px;      /* less space above username */
  --slotA-min-h: 58px;      /* label + input */
  --slotB-min-h: 8px;      /* same as A */
  --helpers-min-h: 22px;    /* remember/back/forgot */
  --actions-min-h: 34px;    /* button lane height */
  --msg-min-h: 22px;        /* reserved error/info */
  --foot-min-h: 26px;       /* "New to Clubex?" row */
  --section-gap: 5px;      /* between title/intro/form/foot */
  --form-row-gap: 8px;      /* inside form */

  --control-radius: 10px;
  --btn-width: 180px;
  --btn-height: 40px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]){
    color-scheme: dark;
    --bg: #0b0f14;
    --surface: #141a22;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: rgba(255,255,255,.08);
    --primary: #63aaff;
    --primary-hover: #4c92e6;
    --danger: #ff5c6c;
    --shadow-sm: 0 2px 10px rgba(0,0,0,.35);
    --shadow-lg: 0 24px 54px rgba(0,0,0,.55);
    --ring: 2px solid rgba(99,170,255,.45);
  }
}
html[data-theme="light"]{ color-scheme: light; }
html[data-theme="dark"]{
  color-scheme: dark;
  --bg: #0b0f14;
  --surface: #141a22;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: rgba(255,255,255,.08);
  --primary: #63aaff;
  --primary-hover: #4c92e6;
  --danger: #ff5c6c;
  --shadow-sm: 0 2px 10px rgba(0,0,0,.35);
  --shadow-lg: 0 24px 54px rgba(0,0,0,.55);
  --ring: 2px solid rgba(99,170,255,.45);
}

/* ===== Base */
*{ box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin:0;
  display:grid;
  place-items:center;
  background: radial-gradient(800px 420px at 15% -10%, rgba(37, 99, 235, 0.18), transparent 60%), var(--bg);
  color: var(--text);
  font-family: 'Manrope', 'Space Grotesk', 'Segoe UI', sans-serif;
}
body.pre-auth{ display:none; }

/* ===== Card */
#authRoot{ width:min(96vw, 460px); }
.auth-card{
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 22px 22px 18px;
  transition: box-shadow .2s ease;
  min-block-size: var(--card-min-h);
}
.auth-card:focus-within{ box-shadow: var(--shadow-lg); }

/* ===== View (title / intro / form / foot) */
.view{
  display: none;
  gap: var(--section-gap);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .16s ease, transform .16s ease;
}
.auth-card[data-view="login"]  .view--login,
.auth-card[data-view="forgot"] .view--forgot,
.auth-card[data-view="reset"]  .view--reset,
.auth-card[data-view="signup"] .view--signup{
  display: grid;
  grid-template-rows:
    auto
    minmax(var(--intro-min-h), auto)
    1fr
    minmax(var(--foot-min-h), auto);
  opacity: 1;
  transform: none;
}

/* ===== Heading / Intro */
.view__title{ margin: 0 0 var(--title-gap-b) 0; font-weight:700; letter-spacing:.2px; }
.view__intro{ margin:0; color: var(--muted); font-size:.95rem; }

/* ===== Form with locked rows (prevents drift) */
.view__form{
  display: grid;
  align-content: start;
  gap: var(--form-row-gap);
}
.slotA, .slotB{ min-block-size: var(--slotA-min-h); }
.slotB{ min-block-size: var(--slotB-min-h); }

.helpers{
  min-block-size: var(--helpers-min-h);
  display:flex; align-items:center; justify-content: space-between;
}
.actions{
  min-block-size: var(--actions-min-h);
  display:flex; align-items:center; justify-content: flex-end;
}
.actions--phone-verify{ justify-content: space-between; gap: 10px; }

/* ===== Inputs */
label{ font-size:.98rem; }
input{
  width:100%;
  padding: 10px 12px;
  border:1px solid var(--border);
  border-radius: var(--control-radius);
  background: transparent;
  color: var(--text);
  outline:none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input::placeholder{ color: color-mix(in oklab, var(--muted) 80%, transparent); }
input:focus-visible{
  border-color: color-mix(in oklab, var(--primary) 55%, var(--border));
  box-shadow: 0 0 0 var(--ring);
}

/* ===== Buttons (consistent size & place) */
button{
  appearance: none;
  border: none;
  border-radius: var(--control-radius);
  padding: 0 14px;
  height: var(--btn-height);
  cursor: pointer;
  transition: background-color .15s ease, transform .05s ease, opacity .15s ease;
}
.btn-primary{
  background: var(--primary);
  color:#fff; font-weight:600;
  min-inline-size: var(--btn-width);
  text-align:center;
}
.btn-primary:hover{ background: var(--primary-hover); }
.btn-primary:active{ transform: translateY(1px); }
button:disabled{ opacity:.65; cursor:not-allowed; }
.link-btn{
  background: transparent;
  color: var(--primary);
  font-size: .95rem;
  font-weight: 500;
  min-inline-size: 0;
  height: auto;
  padding: 0;
}
.link-btn:hover:not(:disabled){ text-decoration: underline; background: transparent; }

/* ===== Links & helpers */
.row{ display:flex; align-items:center; gap:12px; }
.between{ justify-content: space-between; }
.nowrap{ flex-wrap: nowrap; }
.remember{ display:inline-flex; align-items:center; gap:8px; white-space: nowrap; font-size:.95rem; }
.remember input{ width:16px; height:16px; margin:0; accent-color: var(--primary); }
.link{ color: var(--primary); text-decoration: none; font-size:.95rem; white-space: nowrap; }
.link:hover{ text-decoration: underline; }

/* ===== Messages & foot */
.hidden{ display: none !important; }
.view__msg{ min-block-size: var(--msg-min-h); }
.reserve.hidden{ display: block !important; visibility: hidden; }  /* keep space reserved, no flicker */
.error{ color: var(--danger); font-size:.95rem; }
.muted{ color: var(--muted); font-size:.95rem; }

.view__foot{
  min-block-size: var(--foot-min-h);
  display:flex; align-items:center;
  margin:0;
  font-size:.95rem; color: var(--muted);
}

/* ===== Small screens */
@media (max-width: 420px){
  #authRoot{ width: 94vw; }
  .auth-card{ padding: 18px; min-block-size: 520px; }
}

/* ===== A11y helper for PW managers */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 1px 1px) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}