/* ═══════════════════════════════════════════════════════════
   LOGIN PAGE STYLES
   Theme: Night Blue · Fuchsia · Rose Gold
═══════════════════════════════════════════════════════════ */

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

:root {
  --midnight: #080c1a;
  --deep-navy: #0d1530;
  --navy: #111d3c;
  --fuchsia: #d4569a;
  --fuchsia-light: #e87ab8;
  --fuchsia-glow: #f090c8;
  --rose-gold: #c8a882;
  --rose-light: #e8c9a0;
  --platinum: #d0cdd4;
  --white-soft: rgba(255,255,255,0.88);
  --glass-bg: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.10);
  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-body: 'Montserrat', sans-serif;
}

html, body {
  height: 100%;
  font-family: var(--ff-body);
  background: var(--midnight);
  color: var(--white-soft);
  overflow-x: hidden;
}

/* ── Star Canvas ─────────────────────────────────────────── */
#starCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Login Wrapper ───────────────────────────────────────── */
.login-wrapper {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

/* ── Card ────────────────────────────────────────────────── */
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem 2.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  opacity: 0;
  transform: translateY(30px) scale(0.97);
  transition: opacity 0.9s cubic-bezier(.22,1,.36,1), transform 0.9s cubic-bezier(.22,1,.36,1);
  box-shadow:
    0 0 60px rgba(212, 86, 154, 0.12),
    0 32px 80px rgba(0,0,0,0.5),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.login-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ── Lock Icon ───────────────────────────────────────────── */
.lock-icon {
  width: 72px;
  height: 72px;
  margin-bottom: 1.75rem;
  animation: floatIcon 4s ease-in-out infinite;
  filter: drop-shadow(0 0 12px rgba(212, 86, 154, 0.5));
}

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ── Title ───────────────────────────────────────────────── */
.login-title {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 600;
  text-align: center;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white-soft);
  margin-bottom: 0.6rem;
}

.login-title em {
  font-style: italic;
  background: linear-gradient(135deg, var(--fuchsia-light), var(--rose-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle {
  font-family: var(--ff-body);
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(255,255,255,0.45);
  text-align: center;
  letter-spacing: 0.06em;
  margin-bottom: 2rem;
}

/* ── Error ───────────────────────────────────────────────── */
.error-message {
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  background: rgba(212, 86, 154, 0.15);
  border: 1px solid rgba(212, 86, 154, 0.4);
  color: var(--fuchsia-light);
  font-size: 0.78rem;
  text-align: center;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
  animation: shakeErr 0.5s cubic-bezier(.36,.07,.19,.97);
}

@keyframes shakeErr {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

/* ── Form ────────────────────────────────────────────────── */
form { width: 100%; display: flex; flex-direction: column; gap: 1.75rem; }

/* ── Input Group (Floating Label) ────────────────────────── */
.input-group {
  position: relative;
  width: 100%;
}

.input-group input {
  width: 100%;
  font-family: var(--ff-body);
  font-size: 1rem;
  font-weight: 400;
  background: rgba(255,255,255,0.05);
  border: none;
  border-radius: 10px;
  padding: 1rem 1rem 0.85rem;
  color: var(--white-soft);
  caret-color: var(--fuchsia-light);
  outline: none;
  border: 1px solid rgba(255,255,255,0.09);
  transition: border-color 0.3s, background 0.3s;
}

.input-group input:focus {
  background: rgba(255,255,255,0.08);
  border-color: rgba(212, 86, 154, 0.5);
}

.floating-label {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(255,255,255,0.45);
  pointer-events: none;
  transition: all 0.25s cubic-bezier(.22,1,.36,1);
  letter-spacing: 0.05em;
}

.input-group input:not(:placeholder-shown) + .floating-label,
.input-group input:focus + .floating-label {
  top: 0.35rem;
  transform: translateY(0);
  font-size: 0.65rem;
  color: var(--fuchsia-light);
  letter-spacing: 0.08em;
}

.input-line {
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 1px;
  background: linear-gradient(90deg, var(--fuchsia), var(--rose-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(.22,1,.36,1);
  border-radius: 1px;
}

.input-group input:focus ~ .input-line { transform: scaleX(1); }

/* ── Enter Button ────────────────────────────────────────── */
.enter-btn {
  position: relative;
  width: 100%;
  padding: 0.95rem 1.5rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--ff-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  overflow: hidden;
  background: linear-gradient(135deg, var(--fuchsia) 0%, #9b3480 100%);
  color: #fff;
  box-shadow: 0 8px 32px rgba(212, 86, 154, 0.4);
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.enter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.enter-btn:hover::before { opacity: 1; }
.enter-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(212,86,154,0.55); }
.enter-btn:active { transform: translateY(0); }
.enter-btn.loading { opacity: 0.7; pointer-events: none; }

.btn-icon {
  font-size: 0.9rem;
  animation: spinStar 3s linear infinite;
}

@keyframes spinStar {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ── Hint ────────────────────────────────────────────────── */
.login-hint {
  margin-top: 1.5rem;
  font-size: 0.72rem;
  font-weight: 300;
  color: rgba(255,255,255,0.25);
  text-align: center;
  letter-spacing: 0.06em;
  font-style: italic;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
  html, body { overflow-y: auto; }
  .login-wrapper {
    align-items: flex-start;
    padding-top: 2.5rem;
    padding-bottom: 2rem;
  }
  .login-card { padding: 2.25rem 1.5rem 2rem; border-radius: 20px; }
  .lock-icon  { width: 56px; height: 56px; margin-bottom: 1.25rem; }
  .enter-btn  { min-height: 52px; font-size: 0.85rem; }
}