/* ============================================
   Weight Loss Tracker — Login Page
   Matches Premium Dark UI Style
   ============================================ */
 @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@700&display=swap');

/* ===== CSS Variables — same as main ===== */
:root {
  --primary:        #7a72ff;
  --primary-light:  #aba4fe;
  --primary-dark:   #5040d9;
  --secondary:      #fd85b3;
  --accent:         #00d8d3;

  --bg-dark:        #131220;
  --bg-glass:       rgba(255, 255, 255, 0.055);

  --text-primary:   #ffffff;
  --text-secondary: #b0b2cc;
  --text-muted:     #64658a;

  --border:         rgba(255, 255, 255, 0.09);

  --shadow-md:  0 8px 32px  rgba(0, 0, 0, 0.40);
  --shadow-lg:  0 24px 64px rgba(0, 0, 0, 0.50);
  --shadow-glow:0 0 50px    rgba(122, 114, 255, 0.25);

  --radius-sm: 10px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.3s var(--ease);
}

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

html { scroll-behavior: smooth; }

/* ===== Body ===== */
body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.65;
  overflow: hidden;
  background-image:
    radial-gradient(ellipse at 15%  50%, rgba(122, 114, 255, 0.20) 0%, transparent 55%),
    radial-gradient(ellipse at 85%  15%, rgba(253, 133, 179, 0.14) 0%, transparent 45%),
    radial-gradient(ellipse at 60%  85%, rgba(0,  216, 211, 0.10) 0%, transparent 45%);
  background-attachment: fixed;
}

/* ===== Wrapper — centers the card ===== */
.wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* ===== Login Card ===== */
#logIn-container {
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 54px 52px 48px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fadeSlideUp 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

/* Rainbow top accent line — same as form-area */
#logIn-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(28px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

/* ===== Heading ===== */
#logIn-container h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  text-align: center;
  line-height: 1.25;
  background: linear-gradient(135deg, #ffffff 0%, var(--primary-light) 50%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

/* ===== Label ===== */
#logIn-container label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

/* ===== Password Input ===== */ #inputPass {
  width: 100%;
  padding: 13px 17px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
  letter-spacing: 3px;        /* spaced-out password dots */
}

#inputPass:focus {
  border-color: var(--primary);
  background: rgba(122, 114, 255, 0.07);
  box-shadow: 0 0 0 3px rgba(122, 114, 255, 0.14);
}

#inputPass::placeholder {
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ===== Log In Button ===== */
#logInBtn {
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: none;
  border-radius: 50px;
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: var(--transition);
  box-shadow: 0 4px 18px rgba(122, 114, 255, 0.38);
  position: relative;
  overflow: hidden;
}

#logInBtn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
}

#logInBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(122, 114, 255, 0.50);
}

#logInBtn:hover::after { opacity: 1; }
#logInBtn:active { transform: translateY(0); }

/* ===== Scrollbar ===== */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== Responsive ===== */
@media (max-width: 480px) {
  #logIn-container { padding: 40px 28px 36px; }
}