/* ============================================================
   LOGIN PAGE CSS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import 'variables.css';

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

body.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  background-image:
    radial-gradient(ellipse at 20% 30%, rgba(139,92,246,.15) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(236,72,153,.12) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 100%, rgba(6,182,212,.08) 0%, transparent 50%);
  overflow: hidden;
}

/* Floating orbs */
body.login-page::before, body.login-page::after {
  content: ''; position: fixed; border-radius: 50%; pointer-events: none;
  filter: blur(60px); opacity: .25; animation: float 8s ease-in-out infinite;
}
body.login-page::before {
  width: 400px; height: 400px; top: -100px; left: -100px;
  background: var(--clr-primary);
}
body.login-page::after {
  width: 350px; height: 350px; bottom: -80px; right: -80px;
  background: var(--clr-accent); animation-delay: -4s;
}

@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-20px)} }

/* Card */
.login-card {
  width: 100%; max-width: 420px;
  background: var(--clr-login-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-2xl) var(--sp-xl);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(139,92,246,.12);
  position: relative; z-index: 1;
  animation: cardIn .6s cubic-bezier(0.16,1,0.3,1) both;
}
@keyframes cardIn { from{opacity:0;transform:translateY(32px) scale(.97)} to{opacity:1;transform:translateY(0) scale(1)} }

/* Logo */
.login-logo {
  text-align: center; margin-bottom: var(--sp-xl);
}
.login-logo-icon {
  width: 64px; height: 64px; border-radius: var(--r-lg);
  background: var(--grad-primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 32px; margin-bottom: var(--sp-md);
  box-shadow: 0 0 40px rgba(139,92,246,.4);
  animation: iconPulse 3s ease-in-out infinite;
}
@keyframes iconPulse { 0%,100%{box-shadow:0 0 40px rgba(139,92,246,.4)} 50%{box-shadow:0 0 60px rgba(139,92,246,.7)} }
.login-title { font-size: 1.6rem; font-weight: 800; color: var(--clr-text); }
.login-title .gradient { background: var(--grad-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.login-subtitle { font-size: .85rem; color: var(--clr-text-muted); margin-top: 4px; }

/* Form */
.login-form { display: flex; flex-direction: column; gap: var(--sp-md); }
.login-label { display: block; font-size: .78rem; font-weight: 600; color: var(--clr-text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.login-input-wrap { position: relative; }
.login-input-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--clr-text-dim); pointer-events: none; font-size: 16px; }
.login-input {
  width: 100%; background: var(--clr-login-input);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-sm); color: var(--clr-text);
  padding: 12px 40px 12px 40px; font-size: .9rem; font-family: var(--font-sans);
  transition: border-color .2s, box-shadow .2s; outline: none;
}
.login-input:focus { border-color: var(--clr-primary); box-shadow: 0 0 0 3px var(--clr-primary-glow); }
.login-input::placeholder { color: var(--clr-text-dim); }
.pwd-toggle { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--clr-text-dim); cursor: pointer; padding: 4px; transition: color .2s; }
.pwd-toggle:hover { color: var(--clr-primary); }

.login-btn {
  width: 100%; padding: 13px; border: none; border-radius: var(--r-sm);
  background: var(--grad-primary); color: #fff;
  font-size: .95rem; font-weight: 700; font-family: var(--font-sans);
  cursor: pointer; transition: all .25s; margin-top: var(--sp-sm);
  position: relative; overflow: hidden;
}
.login-btn::after { content:''; position:absolute; inset:0; background:rgba(255,255,255,0); transition:background .2s; }
.login-btn:hover { box-shadow: 0 6px 30px rgba(139,92,246,.55); transform: translateY(-1px); }
.login-btn:hover::after { background:rgba(255,255,255,.06); }
.login-btn:active { transform: translateY(0); }
.login-btn.loading { pointer-events: none; opacity: .8; }

.login-error {
  background: rgba(244,63,94,.1); border: 1px solid rgba(244,63,94,.3);
  border-radius: var(--r-sm); padding: 10px var(--sp-md);
  font-size: .82rem; color: #f87171;
  display: none; animation: shake .3s ease;
}
.login-error.show { display: block; }
@keyframes shake { 0%,100%{transform:translateX(0)} 20%,60%{transform:translateX(-6px)} 40%,80%{transform:translateX(6px)} }

.login-footer { text-align: center; margin-top: var(--sp-lg); font-size: .78rem; color: var(--clr-text-dim); }

/* Particles */
.particles { position: fixed; inset: 0; pointer-events: none; overflow: hidden; }
.particle { position: absolute; border-radius: 50%; opacity: 0; animation: particleDrift linear infinite; }
@keyframes particleDrift { 0%{opacity:0;transform:translateY(0) scale(0)} 10%{opacity:.6} 90%{opacity:.2} 100%{opacity:0;transform:translateY(-80vh) scale(1.5)} }

@media (max-width: 480px) {
  .login-card {
    padding: var(--sp-xl) var(--sp-md);
    width: calc(100% - 32px);
  }
}