@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=DM+Sans:wght@300;400;500&display=swap');

/* ─── Variables ───────────────────────────────── */
:root {
  --bg:           #07070F;
  --surface:      #0F0F1A;
  --card:         #13131E;
  --border:       rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.14);
  --accent:       #6C63FF;
  --accent-2:     #9B8FFF;
  --glow:         rgba(108,99,255,0.28);
  --text:         #ECEAF8;
  --muted:        #6E6C85;
  --success:      #2DD4BF;
  --error:        #F87171;
  --error-bg:     rgba(248,113,113,0.08);
  --success-bg:   rgba(45,212,191,0.08);
}

/* ─── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Body ────────────────────────────────────── */
body {
  min-height: 100vh;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(108,99,255,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 35% 35% at 80% 80%, rgba(45,212,191,0.04) 0%, transparent 60%);
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  display: flex;
  flex-direction: column;
}

/* ─── Navbar ──────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  border-bottom: 1px solid var(--border);
  background: rgba(7,7,15,0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

.nav-link {
  font-size: 13.5px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }
.nav-link strong { color: var(--accent); font-weight: 500; }

/* ─── Page Center ─────────────────────────────── */
.page-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
}

/* ─── Card ────────────────────────────────────── */
.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.5s cubic-bezier(0.16,1,0.3,1) both;
}

/* top accent glow line */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 15%; right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

/* ─── Card Top ────────────────────────────────── */
.card-top {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.brand-icon {
  font-size: 26px;
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.25rem;
}

.card-top h2 {
  font-family: 'Syne', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-top p {
  font-size: 13.5px;
  color: var(--muted);
}

/* ─── Alerts ──────────────────────────────────── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 9px;
  font-size: 13.5px;
  font-weight: 500;
}
.alert-error {
  background: var(--error-bg);
  border: 1px solid rgba(248,113,113,0.2);
  color: var(--error);
}
.alert-success {
  background: var(--success-bg);
  border: 1px solid rgba(45,212,191,0.2);
  color: var(--success);
}

/* ─── Form ────────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-group label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.forgot-link {
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.forgot-link:hover { opacity: 0.75; }

/* ─── Input ───────────────────────────────────── */
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"] {
  width: 100%;
  padding: 0.78rem 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder { color: var(--muted); }

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}

/* ─── Password eye toggle ─────────────────────── */
.input-wrap { position: relative; }
.input-wrap input { padding-right: 2.8rem; }

.eye-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0;
  transition: color 0.2s;
}
.eye-btn:hover { color: var(--text); }

/* ─── Remember me ─────────────────────────────── */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.checkbox-group input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
}
.checkbox-group label {
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
}

/* ─── Submit Button ───────────────────────────── */
.btn-submit {
  width: 100%;
  padding: 0.88rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 9px;
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.10) 0%, transparent 55%);
  pointer-events: none;
}

.btn-submit:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--glow);
}

.btn-submit:active { transform: translateY(0); box-shadow: none; }

/* ─── Divider ─────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 12px;
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Signup hint ─────────────────────────────── */
.signup-hint {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
.signup-hint a {
  color: var(--accent);
  text-decoration: none;
}
.signup-hint a:hover { text-decoration: underline; }

/* ─── Animation ───────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ─── Responsive ──────────────────────────────── */
@media (max-width: 480px) {
  .card { padding: 2rem 1.25rem; border-radius: 16px; }
  .navbar { padding: 0 1.25rem; }
}