/* ══════════════════════════════════════
   AUTH PAGE TOKENS
══════════════════════════════════════ */
:root {
  --ink: #0f1117;
  --paper: #f7f4ee;
  --paper-warm: #ede9df;
  --accent: #c8622a;
  --accent-light: #f0936a;
  --accent-faint: rgba(200,98,42,0.08);
  --accent-faint2: rgba(200,98,42,0.14);
  --muted: #7a7468;
  --border: #d4cfc5;
  --border-soft: #e8e4dc;
  --card-shadow: 0 1px 3px rgba(15,17,23,0.07), 0 8px 28px rgba(15,17,23,0.07);
  --red: #dc2626;
  --red-bg: #fef2f2;
  --red-border: #fca5a5;
  --green: #2d6a1f;
  --green-bg: #edf7e6;
  --green-border: #b8dfa8;
}

/* ══════════════════════════════════════
   PAGE BODY
══════════════════════════════════════ */
.page-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem 4rem;
  background:
    radial-gradient(ellipse 80% 55% at 50% 105%, rgba(200,98,42,0.07) 0%, transparent 68%),
    var(--paper);
}

.page-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  text-align: center;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.page-eyebrow::before,
.page-eyebrow::after { content: ''; display: inline-block; width: 20px; height: 1px; background: var(--accent); opacity: 0.4; }

/* ── Auth card ── */
.auth-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--card-shadow);
  width: 100%;
  max-width: 440px;
  overflow: hidden;
  position: relative;
}
.auth-card::before {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
}

/* ── Tab switcher ── */
.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border-soft);
}
.auth-tab {
  padding: 1rem 0;
  text-align: center;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  transition: color 0.2s, background 0.2s;
  position: relative;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-tab:hover { color: var(--ink); }
.auth-tab.active { color: var(--ink); }
.auth-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 20%; right: 20%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* ── Form panel ── */
.auth-panel {
  padding: 1.8rem 2rem 2rem;
  animation: fadeIn 0.22s ease;
}

/* ── Form groups ── */
.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 0.42rem;
}
.form-label-sub {
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 400;
  margin-left: 0.3rem;
}

.form-input {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  padding: 0.68rem 0.95rem;
  font-size: 0.88rem;
  font-family: 'DM Sans', sans-serif;
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input::placeholder { color: #c4bfb8; }
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-faint); }
.form-input.error { border-color: var(--red); box-shadow: 0 0 0 3px rgba(220,38,38,0.08); }
.form-input.success { border-color: #4caf50; box-shadow: 0 0 0 3px rgba(76,175,80,0.08); }

/* Password input with toggle */

/* ── Remember me row ── */
.remember-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.3rem;
}
.remember-left {
  display: flex; align-items: center; gap: 0.55rem; cursor: pointer;
}
.remember-left input[type="checkbox"] { display: none; }
.remember-check-box {
  width: 16px; height: 16px; flex-shrink: 0;
  border: 1.5px solid var(--border); border-radius: 4px;
  background: #fff; display: flex; align-items: center; justify-content: center;
  transition: border-color 0.18s, background 0.18s; cursor: pointer;
}
.remember-left:has(input:checked) .remember-check-box { background: var(--accent); border-color: var(--accent); }
.remember-check-box svg { display: none; }
.remember-left:has(input:checked) .remember-check-box svg { display: block; }
.remember-label { font-size: 0.8rem; color: var(--muted); }
.forgot-link { font-size: 0.8rem; color: var(--accent); text-decoration: none; font-weight: 500; }
.forgot-link:hover { text-decoration: underline; }

/* ── Submit button ── */
.submit-btn {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 0.88rem;
  font-size: 0.9rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 2px 10px rgba(200,98,42,0.22);
}
.submit-btn:hover:not(:disabled) { background: #b5531f; box-shadow: 0 4px 18px rgba(200,98,42,0.32); transform: translateY(-1px); }
.submit-btn:active:not(:disabled) { transform: translateY(0) scale(0.99); }
.submit-btn:disabled { background: #c4bfb8; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.35); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; display: none; flex-shrink: 0; }
.btn-spinner.active { display: block; }

/* ── Switch link ── */
.switch-link {
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  padding-top: 0.2rem;
}
.switch-link a { color: var(--accent); font-weight: 600; text-decoration: none; }
.switch-link a:hover { text-decoration: underline; }

/* ── Divider ── */
.auth-divider {
  display: flex; align-items: center; gap: 0.8rem;
  margin-bottom: 1.2rem; font-size: 0.72rem; color: var(--muted);
}
.auth-divider::before,
.auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-soft); }

/* ── OAuth placeholder ── */
.oauth-row { display: flex; gap: 0.7rem; margin-bottom: 0.4rem; }
.oauth-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  border: 1.5px solid var(--border); border-radius: 9px;
  padding: 0.6rem; background: #fff; cursor: pointer; font-size: 0.78rem;
  color: var(--muted); font-family: 'DM Sans', sans-serif; font-weight: 500;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.oauth-btn:hover { border-color: var(--accent); color: var(--ink); background: var(--accent-faint); }
.oauth-icon { font-size: 1rem; }

/* ── Terms checkbox ── */
.terms-row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 1.3rem;
  padding: 0.85rem 1rem;
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  cursor: pointer;
}
.terms-row input[type="checkbox"] { display: none; }
.terms-check-box {
  width: 17px; height: 17px; flex-shrink: 0; margin-top: 1px;
  border: 1.5px solid var(--border); border-radius: 4px;
  background: #fff; display: flex; align-items: center; justify-content: center;
  transition: border-color 0.18s, background 0.18s;
  cursor: pointer;
}
.terms-row:has(input:checked) .terms-check-box { background: var(--accent); border-color: var(--accent); }
.terms-check-box svg { display: none; }
.terms-row:has(input:checked) .terms-check-box svg { display: block; }
.terms-text { font-size: 0.78rem; color: var(--muted); line-height: 1.55; }
.terms-text a { color: var(--accent); text-decoration: none; font-weight: 500; }
.terms-text a:hover { text-decoration: underline; }

/* ── Strength meter ── */
.strength-bar-wrap { display: flex; gap: 3px; margin-top: 0.5rem; }
.strength-seg { flex: 1; height: 3px; border-radius: 99px; background: var(--border-soft); transition: background 0.3s; }
.strength-seg.w { background: var(--red); }
.strength-seg.m { background: #ff9800; }
.strength-seg.s { background: #4caf50; }
.strength-label { font-size: 0.68rem; margin-top: 0.28rem; color: var(--muted); }

/* ── Inline row ── */
.inline-row { display: flex; gap: 0.6rem; align-items: flex-start; }
.inline-row .form-input { flex: 1; min-width: 0; }
.inline-btn {
  flex-shrink: 0;
  padding: 0.68rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.76rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.inline-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); background: var(--accent-faint); }
.inline-btn:disabled { color: var(--muted); cursor: not-allowed; opacity: 0.7; }
.inline-btn.counting { color: var(--muted); font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; }

/* ── Toast notification ── */
.toast {
  position: fixed;
  bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(12px);
  background: var(--ink); color: #fff;
  border-radius: 10px; padding: 0.75rem 1.4rem;
  font-size: 0.82rem; font-weight: 500;
  box-shadow: 0 8px 28px rgba(15,17,23,0.3);
  z-index: 9999; opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  white-space: nowrap;
  display: flex; align-items: center; gap: 0.6rem;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success .toast-icon::before { content: '✓'; color: #4caf50; }
.toast.error   .toast-icon::before { content: '✕'; color: #ef4444; }
.toast.info    .toast-icon::before { content: 'ℹ'; color: var(--accent-light); }

/* ══════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════ */
@keyframes fadeIn   { from{opacity:0;transform:translateY(6px);}   to{opacity:1;transform:translateY(0);} }
@keyframes spin     { to{transform:rotate(360deg);} }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 640px) {
  .auth-panel { padding: 1.4rem 1.3rem 1.6rem; }
  .oauth-row { flex-direction: column; }
}
@media (max-width: 700px) {
  .page-body { padding: 2rem 1rem 3rem; }
  .toast { max-width: calc(100vw - 2rem); white-space: normal; font-size: 0.78rem; }
}
@media (max-width: 380px) {
  .inline-row { flex-direction: column; }
  .inline-btn { width: 100%; }
}

.pw-wrap { position: relative; }
.pw-wrap .form-input { padding-right: 2.8rem; }
.pw-toggle {
  position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: var(--muted);
  padding: 0; line-height: 1; font-size: 1rem; transition: color 0.15s;
}
.pw-toggle:hover { color: var(--ink); }

/* Field hint / error */
.field-hint {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.35rem;
  padding-left: 2px;
  display: none;
}
.field-hint.visible { display: block; }
.field-hint.err { color: var(--red); }
.field-hint.ok  { color: var(--green); }