/* ============================================
   eSurvey.CX — Login Page
   Dark premium + Glassmorphism + Animations
   ============================================ */
:root {
    --purple: #5E35B1; --purple-light: #7C4DFF; --purple-50: #EDE7F6;
    --red: #E53935; --red-light: #FF6F61;
    --dark-bg: #0A0118; --dark-card: #13082B; --dark-border: #2A1854;
    --glass-bg: rgba(19,8,43,0.7); --glass-border: rgba(124,77,255,0.15);
    --text: #E8E0F5; --text-dim: #9688B0; --text-muted: #6B5F85;
    --font-h: 'Space Grotesk', sans-serif; --font-b: 'Plus Jakarta Sans', sans-serif;
    --ease: cubic-bezier(0.4,0,0.2,1);
}
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
body { font-family: var(--font-b); background: var(--dark-bg); color: var(--text); min-height:100vh; overflow-x:hidden; }

/* BG Effects */
.login-bg { position:fixed; inset:0; z-index:0; }
.bg-orb { position:absolute; border-radius:50%; filter:blur(100px); opacity:.3; }
.bg-orb-1 { width:600px; height:600px; background:var(--purple); top:-150px; left:-100px; animation:drift1 15s ease-in-out infinite; }
.bg-orb-2 { width:400px; height:400px; background:var(--red); bottom:-100px; right:-50px; animation:drift2 20s ease-in-out infinite; }
.bg-orb-3 { width:350px; height:350px; background:var(--purple-light); top:50%; left:50%; animation:drift3 18s ease-in-out infinite; }
.bg-grid { position:absolute; inset:0; background-image:linear-gradient(rgba(124,77,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(124,77,255,.03) 1px,transparent 1px); background-size:50px 50px; }
@keyframes drift1 { 0%,100%{transform:translate(0,0)}50%{transform:translate(40px,60px)} }
@keyframes drift2 { 0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,-40px)} }
@keyframes drift3 { 0%,100%{transform:translate(-50%,-50%)}50%{transform:translate(-45%,-55%)} }

/* Layout */
.login-wrapper { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; min-height:100vh; }

/* Brand Panel */
.login-brand { display:flex; align-items:center; justify-content:center; padding:60px; position:relative; overflow:hidden; }
.brand-content { position:relative; z-index:2; }
.brand-logo { height:48px; margin-bottom:40px; filter:brightness(1.5); }
.login-brand h1 { font-family:var(--font-h); font-size:2.8rem; font-weight:700; line-height:1.2; margin-bottom:16px; }
.login-brand h1 span { background:linear-gradient(135deg,var(--purple-light),var(--red-light)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.login-brand p { color:var(--text-dim); font-size:1.05rem; line-height:1.7; max-width:420px; margin-bottom:32px; }
.brand-features { display:flex; gap:20px; }
.bf-item { display:flex; align-items:center; gap:8px; padding:8px 16px; border-radius:40px; background:rgba(124,77,255,.1); border:1px solid rgba(124,77,255,.2); font-size:.8rem; color:var(--purple-light); }
.bf-item i { font-size:.75rem; }

/* Floating cards */
.brand-floating { position:absolute; inset:0; pointer-events:none; z-index:1; }
.bf-card { position:absolute; display:flex; align-items:center; gap:10px; padding:12px 18px; border-radius:14px; background:var(--glass-bg); border:1px solid var(--glass-border); backdrop-filter:blur(20px); color:var(--text); font-size:.85rem; font-weight:500; box-shadow:0 8px 32px rgba(0,0,0,.3); }
.bf-card i { font-size:1.1rem; }
.bf-card-1 { top:15%; right:10%; animation:float1 6s ease-in-out infinite; }
.bf-card-1 i { color:#25D366; }
.bf-card-2 { bottom:30%; right:5%; animation:float2 7s ease-in-out infinite 1s; }
.bf-card-2 i { color:#FFD600; }
.bf-card-3 { bottom:15%; left:15%; animation:float3 8s ease-in-out infinite 2s; }
.bf-card-3 i { color:var(--purple-light); }
@keyframes float1 { 0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-12px) rotate(2deg)} }
@keyframes float2 { 0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-10px) rotate(-2deg)} }
@keyframes float3 { 0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)} }

/* Form Panel */
.login-form-panel { display:flex; align-items:center; justify-content:center; padding:60px; background:var(--dark-card); border-left:1px solid var(--dark-border); position:relative; }
.login-form { width:100%; max-width:400px; display:none; }
.login-form.active { display:block; animation:fadeSlideIn .5s var(--ease); }
@keyframes fadeSlideIn { from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)} }

/* Form elements */
.form-header { margin-bottom:32px; }
.form-header h2 { font-family:var(--font-h); font-size:1.8rem; font-weight:700; margin-bottom:8px; }
.form-header p { color:var(--text-dim); font-size:.9rem; }
.input-group { margin-bottom:20px; }
.input-group label { display:block; font-size:.8rem; font-weight:600; margin-bottom:6px; color:var(--text-dim); text-transform:uppercase; letter-spacing:.5px; }
.input-wrap { position:relative; display:flex; align-items:center; }
.input-wrap i:first-child { position:absolute; left:14px; color:var(--text-muted); font-size:.9rem; transition:all .3s; }
.input-wrap input { width:100%; padding:14px 14px 14px 42px; background:rgba(255,255,255,.04); border:1px solid var(--dark-border); border-radius:12px; color:var(--text); font-family:var(--font-b); font-size:.95rem; transition:all .3s; }
.input-wrap input:focus { outline:none; border-color:var(--purple-light); box-shadow:0 0 0 3px rgba(124,77,255,.15); background:rgba(124,77,255,.05); }
.input-wrap input:focus ~ i:first-child, .input-wrap input:focus + i { color:var(--purple-light); }
.toggle-pass { position:absolute; right:12px; background:none; border:none; color:var(--text-muted); cursor:pointer; padding:4px; }

/* Options row */
.form-options { display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; font-size:.85rem; }
.checkbox-wrap { display:flex; align-items:center; gap:8px; color:var(--text-dim); cursor:pointer; }
.checkbox-wrap input { display:none; }
.checkmark { width:18px; height:18px; border:2px solid var(--dark-border); border-radius:5px; display:flex; align-items:center; justify-content:center; transition:all .3s; }
.checkbox-wrap input:checked + .checkmark { background:var(--purple); border-color:var(--purple); }
.checkbox-wrap input:checked + .checkmark::after { content:'✓'; color:#fff; font-size:11px; }
.forgot-link { color:var(--purple-light); font-weight:500; }
.forgot-link:hover { text-decoration:underline; }

/* Submit button */
.btn-submit { width:100%; padding:16px; border:none; border-radius:14px; background:linear-gradient(135deg,var(--purple),var(--purple-light)); color:#fff; font-family:var(--font-b); font-size:1rem; font-weight:600; cursor:pointer; display:flex; align-items:center; justify-content:center; gap:10px; transition:all .3s; position:relative; overflow:hidden; }
.btn-submit:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(94,53,177,.4); }
.btn-submit:active { transform:translateY(0); }
.btn-submit.loading .btn-text, .btn-submit.loading .btn-arrow { display:none; }
.btn-submit .btn-loader { display:none; }
.btn-submit.loading .btn-loader { display:inline; }

/* Error message */
.form-message { padding:12px 16px; border-radius:10px; font-size:.85rem; margin-top:16px; display:none; }
.form-message.error { background:rgba(229,57,53,.1); border:1px solid rgba(229,57,53,.2); color:var(--red-light); }
.form-message.visible { display:block; animation:shake .4s ease; }
@keyframes shake { 0%,100%{transform:translateX(0)}25%{transform:translateX(-8px)}75%{transform:translateX(8px)} }

/* 2FA Code inputs */
.code-inputs { display:flex; align-items:center; justify-content:center; gap:8px; margin:32px 0 20px; }
.code-digit { width:52px; height:62px; text-align:center; font-family:var(--font-h); font-size:1.6rem; font-weight:700; background:rgba(255,255,255,.04); border:2px solid var(--dark-border); border-radius:14px; color:var(--text); transition:all .3s; }
.code-digit:focus { outline:none; border-color:var(--purple-light); box-shadow:0 0 0 3px rgba(124,77,255,.2); background:rgba(124,77,255,.08); }
.code-digit.filled { border-color:var(--purple); background:rgba(94,53,177,.15); }
.code-separator { color:var(--text-muted); font-size:1.2rem; margin:0 4px; }

/* 2FA extras */
.tfa-icon-wrap { position:relative; width:72px; height:72px; margin:0 auto 20px; }
.tfa-icon { width:72px; height:72px; border-radius:20px; background:linear-gradient(135deg,var(--purple),var(--purple-light)); display:flex; align-items:center; justify-content:center; font-size:1.8rem; color:#fff; position:relative; z-index:1; }
.tfa-pulse { position:absolute; inset:-6px; border-radius:24px; border:2px solid var(--purple-light); opacity:0; animation:tfaPulse 2s ease-out infinite; }
@keyframes tfaPulse { 0%{opacity:.5;transform:scale(1)}100%{opacity:0;transform:scale(1.2)} }
.tfa-timer { text-align:center; color:var(--text-muted); font-size:.85rem; margin-bottom:24px; }
.tfa-timer i { margin-right:4px; }
#tfa-countdown { color:var(--purple-light); font-weight:600; font-family:var(--font-h); }
.resend-wrap { text-align:center; margin-top:16px; font-size:.85rem; color:var(--text-muted); }
.resend-btn { background:none; border:none; color:var(--purple-light); font-weight:600; cursor:pointer; font-family:var(--font-b); }
.resend-btn:hover { text-decoration:underline; }
.back-btn { position:absolute; top:0; left:0; background:none; border:none; color:var(--text-dim); font-size:1.1rem; cursor:pointer; padding:8px; transition:all .3s; }
.back-btn:hover { color:var(--purple-light); transform:translateX(-3px); }

/* Success animation */
.success-anim { text-align:center; }
.success-circle { width:80px; height:80px; margin:0 auto 24px; }
.success-circle svg { width:80px; height:80px; }
.success-circle circle { stroke:var(--purple-light); stroke-width:2; stroke-dasharray:157; stroke-dashoffset:157; animation:drawCircle .6s var(--ease) forwards; }
.success-circle path { stroke:#25D366; stroke-width:3; stroke-linecap:round; stroke-linejoin:round; stroke-dasharray:48; stroke-dashoffset:48; animation:drawCheck .4s var(--ease) .5s forwards; }
@keyframes drawCircle { to{stroke-dashoffset:0} }
@keyframes drawCheck { to{stroke-dashoffset:0} }
.success-anim h2 { font-family:var(--font-h); font-size:1.6rem; margin-bottom:8px; }
.success-anim p { color:var(--text-dim); margin-bottom:24px; }
.redirect-bar { width:200px; height:4px; background:var(--dark-border); border-radius:4px; margin:0 auto; overflow:hidden; }
.redirect-progress { height:100%; width:0; background:linear-gradient(90deg,var(--purple),var(--purple-light)); border-radius:4px; animation:redirectFill 2s var(--ease) forwards; }
@keyframes redirectFill { to{width:100%} }

/* Responsive */
@media(max-width:768px) {
    .login-wrapper { grid-template-columns:1fr; }
    .login-brand { display:none; }
    .login-form-panel { border-left:none; padding:40px 24px; }
}