/* -------------------------------------- */
/* Root Palette                           */
/* -------------------------------------- */
:root {
  --gold: #FAC66B;
  --wine: #72103E;
  --navy: #1E2C50;
  --pink: #E94d73;
  --blue-light: #95C7DB;
  --teal: #057C85;
  --whitegrey: #ffffffda;

  --deep-navy: #0A1224;
  --mid-navy: #152544;
  --soft-blue: #8FB7D1;
}

/* -------------------------------------- */
/* Base                                   */
/* -------------------------------------- */
.login-body {
  margin: 0;
  padding: 0;
  font-family: 'Montserrat', sans-serif;
  background: var(--deep-navy);
  color: #fff;
  overflow: hidden;
}

/* -------------------------------------- */
/* Background Layers                      */
/* -------------------------------------- */
.login-bg {
  position: fixed;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--deep-navy) 0%,
    var(--mid-navy) 40%,
    var(--teal) 100%
  );
  z-index: -20;
  animation: bgDrift 18s ease-in-out infinite alternate;
}

@keyframes bgDrift {
  from { transform: scale(1) translateY(0); }
  to { transform: scale(1.05) translateY(-20px); }
}

/* Grain texture */
.login-grain {
  position: fixed;
  inset: 0;
  background: url('/assets/images/grain.png');
  background-size: cover;
  opacity: 0.28;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: -19;
}

/* Soft bokeh */
.login-bokeh {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.10) 0%, transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.06) 0%, transparent 60%);
  animation: bokehMove 14s ease-in-out infinite alternate;
  z-index: -18;
}

@keyframes bokehMove {
  from { transform: translateY(0px); }
  to { transform: translateY(-30px); }
}

/* -------------------------------------- */
/* TRUE CONTINUOUS PARTICLE SYSTEM        */
/* -------------------------------------- */

.particle-container {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -7;
}

.particle {
  position: absolute;
  top: -20px;
  width: 4px;
  height: 4px;
  background: rgba(255,255,255,0.8);
  border-radius: 50%;
  opacity: 0.4;
  animation: fall linear infinite;
}

.particle:nth-child(odd) {
  width: 2px;
  height: 2px;
  opacity: 0.25;
}

.particle:nth-child(3n) {
  width: 3px;
  height: 3px;
  opacity: 0.35;
}

.particle:nth-child(5n) {
  width: 5px;
  height: 5px;
  opacity: 0.5;
}

@keyframes fall {
  0% { transform: translate(var(--x-start), -10vh); }
  100% { transform: translate(var(--x-end), 110vh); }
}

/* -------------------------------------- */
/* Soft vignette                          */
/* -------------------------------------- */
.login-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -5;
  background: radial-gradient(
    circle,
    transparent 45%,
    rgba(0,0,0,0.55) 100%
  );
}

/* -------------------------------------- */
/* Login Card                             */
/* -------------------------------------- */
.login-card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(90%, 420px);
  padding: 3rem 2.8rem;
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(20px);
  border-radius: 22px;
  text-align: center;
  animation: fadeIn 0.9s ease;
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: 0 0 50px rgba(114, 16, 62, 0.25);
}

/* -------------------------------------- */
/* Unified Underline Animation            */
/* -------------------------------------- */
@keyframes underlineGrowUnified {
  0% { width: 0%; opacity: 0; }
  100% { width: 60%; opacity: 1; }
}

/* -------------------------------------- */
/* Titles                                 */
/* -------------------------------------- */
.login-title {
  font-family: 'Playfair Display', serif;
  font-weight: 400;
  font-size: 2.9rem;
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
  color: var(--whitegrey);
  position: relative;
  opacity: 0;
  animation: titleFade 1.2s ease forwards 0.3s;
}

.login-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  transform: translateX(-50%);
  height: 4px;
  width: 0%;
  background: linear-gradient(to right, var(--gold), var(--pink));
  border-radius: 3px;
  opacity: 0;
  animation: underlineGrowUnified 1.4s ease forwards 0.6s;
}

@keyframes titleFade {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-subtitle {
  font-size: 1rem;
  opacity: 0.92;
  margin-top: 2.2rem;
  margin-bottom: 3.5rem;
  color: var(--soft-blue);
}

/* -------------------------------------- */
/* Form                                   */
/* -------------------------------------- */
.form-group {
  text-align: left;
  margin-bottom: 1rem;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
  color: var(--blue-light);
}

.password-wrapper {
  position: relative;
  width: 100%;
}

.password-wrapper input {
  width: 100%;
  box-sizing: border-box !important;
  padding: 1rem 3rem 1rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.35);
  outline: none;
  font-size: 1rem;
  background: rgba(255,255,255,0.96);
  color: #000;
  transition: box-shadow 0.3s ease;
}

.password-wrapper input:focus {
  box-shadow: 0 0 12px rgba(114, 16, 62, 0.6);
}

.password-wrapper button {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--navy);
  cursor: pointer;
  font-size: 1.15rem;
}

/* -------------------------------------- */
/* Error Message                          */
/* -------------------------------------- */
.login-message {
  margin-top: -0.5rem;
  margin-bottom: 1rem;
  min-height: 1.2rem;
  color: var(--wine);
  font-size: 0.9rem;
}

/* -------------------------------------- */
/* Button (with glow pulse)               */
/* -------------------------------------- */
.btn-login {
  border-radius: 999px;
  width: 100%;
  padding: 0.9rem 3.5rem;
  border: 1px solid var(--gold);
  background: linear-gradient(135deg, var(--wine), var(--pink));
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: 0 0 12px rgba(233, 76, 115, 0.6);
  transition: 0.2s ease;
  margin-top: 1.5rem;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 18px rgba(250, 198, 107, 0.9);
}

/* -------------------------------------- */
/* Fade-in Animation                      */
/* -------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translate(-50%, -48%); }
  to { opacity: 1; transform: translate(-50%, -50%); }
}

/* -------------------------------------- */
/* Mobile Responsiveness                  */
/* -------------------------------------- */
@media (max-width: 576px) {

  .login-card {
    width: 92%;
    padding: 2rem 1.6rem;
    border-radius: 18px;
  }

  .login-title {
    font-size: 2.2rem;
  }

  .login-title::after {
    height: 3px;
    bottom: -10px;
    width: 55%;
  }

  .login-subtitle {
    font-size: 0.95rem;
    margin-top: 1.2rem;
    margin-bottom: 1.6rem;
  }

  .password-wrapper input {
    padding: 0.85rem 2rem;
    font-size: 0.95rem;
  }

  .password-wrapper button {
    font-size: 1rem;
    right: 0.8rem;
  }

  .btn-login {
    padding: 0.85rem 2rem;
    font-size: 0.95rem;
    margin-top: 1.2rem;
  }
}