@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --teal:       #00b4a6;
  --teal-dark:  #008f83;
  --teal-light: #e0faf8;
  --orange:     #f5943a;
  --navy:       #1b3a5c;
  --text:       #0d1b2a;
  --text-muted: #64748b;
  --border:     #e2e8f0;
  --bg:         #f8fafb;
  --danger:     #ef4444;
  --success:    #10b981;
  --font:       'Plus Jakarta Sans', -apple-system, sans-serif;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }

/* ── Layout ──────────────────────────────────────────────────── */
.auth-layout {
  display: grid;
  grid-template-columns: 500px 1fr;
  min-height: 100vh;
}
.auth-layout.single {
  grid-template-columns: 500px;
  justify-content: center;
  min-height: 100vh;
  align-items: center;
  padding: 40px 0;
}

/* ── Left panel ──────────────────────────────────────────────── */
.auth-panel {
  background: #fff;
  padding: 40px 48px 48px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}

.auth-logo {
  display: flex; align-items: center;
  margin-bottom: 36px;
}
.auth-logo img { height: 72px; object-fit: contain; }

.auth-title { font-size: 26px; font-weight: 800; letter-spacing: -.5px; margin-bottom: 6px; }
.auth-sub { font-size: 15px; color: var(--text-muted); margin-bottom: 28px; }

/* ── Alert ───────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px; border-radius: 8px;
  font-size: 14px; font-weight: 500; margin-bottom: 18px;
}
.alert.error { background: #fef2f2; color: var(--danger); border-left: 3px solid var(--danger); }
.alert.success { background: #ecfdf5; color: var(--success); border-left: 3px solid var(--success); }

/* ── Form ────────────────────────────────────────────────────── */
.auth-form { flex: 1; }
.form-group { margin-bottom: 18px; }
.form-label {
  display: flex; justify-content: space-between;
  font-size: 13px; font-weight: 600; color: var(--text);
  margin-bottom: 7px;
}
.form-link { color: var(--teal); font-weight: 600; font-size: 13px; }
.form-link:hover { text-decoration: underline; }

.input-wrap { position: relative; }
.form-input {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: var(--font); color: var(--text);
  outline: none; background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.form-input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,180,166,.12); }
.toggle-pw {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 16px; padding: 4px;
  color: var(--text-muted);
}

/* Password strength */
.pw-strength { margin-top: 6px; font-size: 12px; font-weight: 600; height: 18px; }
.pw-strength.weak   { color: var(--danger); }
.pw-strength.fair   { color: #f59e0b; }
.pw-strength.good   { color: #3b82f6; }
.pw-strength.strong { color: var(--success); }

/* ── Plan selector ───────────────────────────────────────────── */
.plan-selector { margin-bottom: 22px; }
.plan-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 8px; }
.plan-option {
  border: 2px solid var(--border); border-radius: 10px; padding: 14px 10px;
  cursor: pointer; position: relative; text-align: center;
  transition: border-color .15s, background .15s;
}
.plan-option input[type="radio"] { display: none; }
.plan-option:has(input:checked) { border-color: var(--teal); background: var(--teal-light); }
.plan-opt-badge {
  position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  background: var(--teal); color: #fff; font-size: 10px; font-weight: 700;
  padding: 2px 10px; border-radius: 10px; white-space: nowrap;
}
.plan-opt-name { font-size: 13px; font-weight: 700; color: var(--text); }
.plan-opt-price { font-size: 13px; color: var(--teal); font-weight: 700; margin: 3px 0; }
.plan-opt-feat { font-size: 11px; color: var(--text-muted); }

/* ── CTA button ──────────────────────────────────────────────── */
.btn-auth {
  width: 100%; padding: 13px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #fff; border: none; border-radius: 8px;
  font-size: 15px; font-weight: 700; font-family: var(--font);
  cursor: pointer; margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(0,180,166,.3);
  transition: transform .15s, box-shadow .15s;
}
.btn-auth:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,180,166,.4); }
.btn-auth:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.terms-note { font-size: 12px; color: var(--text-muted); text-align: center; line-height: 1.6; }
.terms-note a { color: var(--teal); }
.auth-switch { text-align: center; font-size: 14px; color: var(--text-muted); margin-top: 24px; }

/* ── Right panel ─────────────────────────────────────────────── */
.auth-side {
  background: linear-gradient(160deg, var(--navy) 0%, #2a5080 100%);
  display: flex; align-items: center; justify-content: center; padding: 48px;
}
.auth-side-inner { max-width: 420px; }
.side-logo { margin-bottom: 40px; }
.side-logo img { height: 80px; object-fit: contain; }

.auth-quote {
  font-size: 19px; font-style: italic; color: #e0f2fe;
  line-height: 1.65; margin-bottom: 14px;
  border-left: 3px solid var(--teal); padding-left: 18px;
}
.auth-quote-author { font-size: 13px; color: #64748b; margin-bottom: 40px; }

.side-title { font-size: 22px; font-weight: 800; color: #f8fafc; margin-bottom: 24px; line-height: 1.3; }
.auth-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.af-item { font-size: 15px; color: #94a3b8; font-weight: 500; display: flex; align-items: flex-start; gap: 8px; }
.af-item::before { content: '✓'; color: var(--teal); font-weight: 800; margin-top: 1px; }

.deadline-note {
  background: rgba(255,255,255,.07); border-radius: 12px;
  padding: 16px 18px; font-size: 14px; color: #94a3b8; line-height: 1.65;
  border: 1px solid rgba(255,255,255,.1);
}
.deadline-note strong { color: #93c5fd; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 860px) {
  .auth-layout { grid-template-columns: 1fr; }
  .auth-side { display: none; }
  .auth-panel { border-right: none; }
  .auth-layout.single { padding: 24px 16px; }
}
@media (max-width: 480px) {
  .auth-panel { padding: 28px 20px; }
  .plan-options { grid-template-columns: 1fr; }
}