/* =============================================
   css/login.css — Login Page Styles
   WhisperWall Confession App
   ============================================= */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

/* ── Wrapper ── */
.login-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* ── Brand ── */
.brand {
  text-align: center;
  animation: fadeDown 0.7s ease both;
}

.brand-icon {
  font-size: 2.8rem;
  display: block;
  margin-bottom: 10px;
  filter: drop-shadow(0 0 18px rgba(201,125,78,0.6));
  animation: flicker 3s ease-in-out infinite;
}

@keyframes flicker {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 18px rgba(201,125,78,0.6)); }
  50%       { opacity: 0.85; filter: drop-shadow(0 0 28px rgba(201,125,78,0.9)); }
}

.brand-name {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
  margin-top: 6px;
  font-family: var(--font-display);
}

/* ── Login Card ── */
.login-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), 0 0 60px rgba(124,92,191,0.08);
  padding: 40px 36px;
  width: 100%;
  animation: fadeUp 0.7s 0.15s ease both;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent2), transparent);
}

/* ── Steps ── */
.step {
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: fadeIn 0.4s ease both;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.step-sub {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
  margin-top: -10px;
}

/* ── OTP Boxes ── */
.otp-boxes {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.otp-input {
  width: 48px;
  height: 56px;
  background: var(--bg-deep);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  font-family: var(--font-body);
}

.otp-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  transform: scale(1.06);
}

.otp-input.filled {
  border-color: var(--accent2);
  background: #1e1830;
}

.otp-input.error {
  border-color: var(--red);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-6px); }
  75%       { transform: translateX(6px); }
}

/* ── OTP Meta ── */
.otp-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: -8px;
}

.timer {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ── Back button ── */
.btn-back {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 10px;
  width: 100%;
  transition: border-color 0.2s, color 0.2s;
}
.btn-back:hover { border-color: var(--border-hover); color: var(--text-primary); }

/* ── Success Step ── */
.success-anim {
  font-size: 3rem;
  text-align: center;
  animation: popIn 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes popIn {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* ── Footer ── */
.footer-note {
  color: var(--text-faint);
  font-size: 0.75rem;
  text-align: center;
  animation: fadeUp 0.7s 0.3s ease both;
}

/* ── Animations ── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .login-card { padding: 28px 20px; }
  .otp-input  { width: 40px; height: 48px; font-size: 1.2rem; }
  .brand-name { font-size: 2rem; }
}