/* =====================================================
   auth.css — Login / Register / Logout
   LaudosPrev — Design Premium
===================================================== */

:root {
  --red:#DC2626;--red-dark:#7F1D1D;--red-light:#FCA5A5;--red-bright:#EF4444;
  --black:#080508;--charcoal:#100d0d;--card-bg:#130f0f;--soft-white:#F5F0F0;
  --gray-md:#998888;--gray-dk:#665555;
  --border:rgba(220,38,38,.2);--shadow-red:rgba(220,38,38,.35);
  --gradient:linear-gradient(135deg,var(--red-dark),var(--red),var(--red-light));
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}

body {
  background:var(--black);
  color:var(--soft-white);
  font-family:'Lato',sans-serif;
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.6;
  display:flex;
  flex-direction:column;
}

/* =====================================================
   FUNDO ANIMADO
===================================================== */
.auth-bg {
  position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;
}

/* Orbs flutuantes */
.auth-bg-orb {
  position:absolute;border-radius:50%;filter:blur(80px);
  animation:orbFloat linear infinite;
}
.auth-bg-orb:nth-child(1) {
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(127,29,29,.35) 0%,transparent 70%);
  top:-120px;left:-100px;animation-duration:18s;
}
.auth-bg-orb:nth-child(2) {
  width:400px;height:400px;
  background:radial-gradient(circle,rgba(220,38,38,.2) 0%,transparent 70%);
  bottom:-80px;right:-80px;animation-duration:22s;animation-delay:-8s;
}
.auth-bg-orb:nth-child(3) {
  width:250px;height:250px;
  background:radial-gradient(circle,rgba(252,165,165,.12) 0%,transparent 70%);
  top:50%;left:60%;animation-duration:14s;animation-delay:-4s;
}

@keyframes orbFloat {
  0%,100%{transform:translate(0,0) scale(1);}
  25%{transform:translate(30px,-40px) scale(1.05);}
  50%{transform:translate(-20px,30px) scale(.95);}
  75%{transform:translate(40px,20px) scale(1.03);}
}

/* Grid lines decorativas */
.auth-bg-grid {
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(220,38,38,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(220,38,38,.04) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 20%,transparent 100%);
}

/* Grain */
.auth-bg::after {
  content:'';position:absolute;inset:0;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:200px;
}

/* =====================================================
   LAYOUT
===================================================== */
.auth-page {
  flex:1;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  padding:40px 16px;position:relative;z-index:1;
}

/* =====================================================
   BACK LINK
===================================================== */
.auth-back {
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gray-md);text-decoration:none;font-size:.85rem;
  margin-bottom:30px;padding:8px 14px;border-radius:8px;
  border:1px solid rgba(220,38,38,.15);background:rgba(220,38,38,.04);
  transition:all .3s;
}
.auth-back:hover {
  color:var(--red-light);border-color:var(--red);
  background:rgba(220,38,38,.1);transform:translateX(-3px);
}
.auth-back i{transition:transform .3s;}
.auth-back:hover i{transform:translateX(-3px);}

/* =====================================================
   LOGO
===================================================== */
.auth-logo {
  display:flex;flex-direction:column;align-items:center;
  gap:10px;margin-bottom:36px;text-decoration:none;
  animation:fadeDown .6s ease both;
}

.auth-logo-icon {
  width:80px;height:80px;background:var(--gradient);border-radius:22px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 1px rgba(220,38,38,.3),0 12px 40px var(--shadow-red),0 0 60px rgba(220,38,38,.15);
  overflow:hidden;position:relative;
  animation:logoBounce .8s cubic-bezier(.34,1.56,.64,1) both;
}
.auth-logo-icon::before {
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,.15) 0%,transparent 60%);
}
.auth-logo-icon img{width:48px;height:48px;object-fit:contain;position:relative;z-index:1;}

.auth-logo-title {
  font-family:'Bebas Neue',sans-serif;font-size:2rem;letter-spacing:4px;
  background:var(--gradient);background-clip:text;-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;line-height:1;
}
.auth-logo-sub {
  font-size:.7rem;letter-spacing:5px;text-transform:uppercase;
  color:var(--gray-dk);
}

@keyframes fadeDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}
@keyframes logoBounce{from{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}

/* =====================================================
   CARD
===================================================== */
.auth-card {
  background:linear-gradient(160deg,rgba(20,12,12,.95),rgba(10,7,7,.98));
  border:1px solid rgba(220,38,38,.25);
  border-radius:24px;padding:48px 44px 42px;
  width:100%;max-width:480px;position:relative;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.03),
    0 25px 60px rgba(0,0,0,.7),
    0 0 80px rgba(220,38,38,.06),
    inset 0 1px 0 rgba(255,255,255,.05);
  animation:cardIn .6s cubic-bezier(.34,1.2,.64,1) .15s both;
  backdrop-filter:blur(20px);
}

@keyframes cardIn{from{opacity:0;transform:translateY(30px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}

/* Linha topo */
.auth-card::before {
  content:'';position:absolute;top:0;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,var(--red),transparent);
  border-radius:0 0 50% 50%;
}

/* Glow borda no hover */
.auth-card::after {
  content:'';position:absolute;inset:-1px;border-radius:24px;
  background:var(--gradient);z-index:-1;opacity:0;
  transition:opacity .4s;
}
.auth-card:focus-within::after{opacity:.3;}

.auth-card-header{margin-bottom:34px;}

.auth-card-badge {
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:20px;
  background:rgba(220,38,38,.1);border:1px solid rgba(220,38,38,.3);
  color:var(--red-light);font-size:.72rem;font-weight:700;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:16px;
}

.auth-card-title {
  font-family:'Bebas Neue',sans-serif;font-size:2.4rem;
  letter-spacing:2px;color:var(--soft-white);line-height:1;margin-bottom:8px;
}
.auth-card-title span{color:var(--red-light);}

.auth-card-sub{font-size:.9rem;color:var(--gray-md);line-height:1.6;}

/* =====================================================
   FORM GROUPS
===================================================== */
.form-group{margin-bottom:22px;animation:fadeUp .4s ease both;}
.form-group:nth-child(1){animation-delay:.1s;}
.form-group:nth-child(2){animation-delay:.15s;}
.form-group:nth-child(3){animation-delay:.2s;}
.form-group:nth-child(4){animation-delay:.25s;}
.form-group:nth-child(5){animation-delay:.3s;}

@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

.form-label {
  display:flex;align-items:center;justify-content:space-between;
  font-size:.76rem;font-weight:700;color:rgba(245,240,240,.8);
  text-transform:uppercase;letter-spacing:1.2px;margin-bottom:9px;
}
.form-label span{color:var(--red);}
.form-label-hint{color:var(--gray-dk);font-size:.72rem;font-weight:400;text-transform:none;letter-spacing:0;}

/* INPUT */
.input-wrap{position:relative;}

.input-icon-left {
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--gray-dk);font-size:.9rem;transition:all .3s;pointer-events:none;z-index:2;
}

.form-input {
  width:100%;padding:14px 16px 14px 46px;
  background:rgba(255,255,255,.03);
  border:1.5px solid rgba(220,38,38,.18);
  border-radius:13px;color:var(--soft-white);
  font-family:'Lato',sans-serif;font-size:.95rem;
  transition:all .35s;position:relative;
}
.form-input:hover{border-color:rgba(220,38,38,.35);background:rgba(255,255,255,.04);}
.form-input:focus {
  outline:none;
  border-color:var(--red);
  background:rgba(220,38,38,.05);
  box-shadow:0 0 0 4px rgba(220,38,38,.1),0 4px 15px rgba(0,0,0,.3);
}
.form-input:focus ~ .input-icon-left,
.input-wrap:focus-within .input-icon-left{color:var(--red);}
.form-input::placeholder{color:var(--gray-dk);}

/* input com toggle senha */
.form-input.has-toggle{padding-right:48px;}

.toggle-pass {
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--gray-dk);cursor:pointer;
  font-size:.9rem;padding:6px;transition:all .3s;border-radius:6px;z-index:2;
}
.toggle-pass:hover{color:var(--red-light);background:rgba(220,38,38,.1);}

/* Estado válido */
.form-input.valid{border-color:rgba(34,197,94,.4);}
.form-input.valid ~ .input-icon-left{color:#22c55e;}

/* Estado inválido */
.form-input.invalid{border-color:rgba(239,68,68,.5);}
.form-input.invalid ~ .input-icon-left{color:#ef4444;}

/* ERRO */
.form-error {
  display:none;align-items:center;gap:6px;
  font-size:.76rem;color:#f87171;margin-top:8px;
  padding:7px 12px;border-radius:8px;
  background:rgba(248,113,113,.07);border:1px solid rgba(248,113,113,.2);
  animation:errShake .3s ease;
}
.form-error.show{display:flex;}
@keyframes errShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

/* =====================================================
   SENHA STRENGTH
===================================================== */
.pass-strength{margin-top:10px;}
.strength-bars {
  display:flex;gap:5px;margin-bottom:6px;
}
.strength-bar-seg {
  flex:1;height:4px;border-radius:4px;
  background:rgba(255,255,255,.07);
  transition:all .4s ease;
}
.strength-text {
  font-size:.73rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.5px;transition:color .4s;
}

/* =====================================================
   CHECKBOX
===================================================== */
.check-row {
  display:flex;align-items:flex-start;gap:12px;margin-bottom:26px;
}
.check-custom {
  position:relative;width:20px;height:20px;flex-shrink:0;margin-top:1px;
}
.check-custom input{position:absolute;opacity:0;width:0;height:0;}
.check-box {
  width:20px;height:20px;border-radius:6px;
  border:2px solid rgba(220,38,38,.35);background:rgba(220,38,38,.05);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .25s;
}
.check-custom input:checked ~ .check-box {
  background:var(--red);border-color:var(--red);
  box-shadow:0 0 0 3px rgba(220,38,38,.2);
}
.check-box i{color:#fff;font-size:.65rem;opacity:0;transform:scale(.5);transition:all .2s;}
.check-custom input:checked ~ .check-box i{opacity:1;transform:scale(1);}
.check-label{font-size:.86rem;color:var(--gray-md);line-height:1.5;cursor:pointer;}
.check-label a{color:var(--red-light);text-decoration:none;font-weight:600;}
.check-label a:hover{text-decoration:underline;}

/* =====================================================
   ALERT
===================================================== */
.alert {
  padding:14px 18px;border-radius:12px;font-size:.88rem;
  margin-bottom:24px;display:flex;align-items:flex-start;gap:12px;
  animation:fadeUp .3s ease;
}
.alert i{flex-shrink:0;margin-top:2px;font-size:1rem;}
.alert-text{flex:1;}
.alert.error {
  background:linear-gradient(135deg,rgba(127,29,29,.2),rgba(220,38,38,.1));
  border:1px solid rgba(220,38,38,.4);color:#fca5a5;
}
.alert.success {
  background:linear-gradient(135deg,rgba(21,128,61,.15),rgba(34,197,94,.08));
  border:1px solid rgba(34,197,94,.35);color:#86efac;
}

/* =====================================================
   BOTÃO SUBMIT
===================================================== */
.btn-auth {
  width:100%;padding:15px;border-radius:13px;border:none;
  background:var(--gradient);color:#fff;font-weight:700;font-size:1rem;
  letter-spacing:1.5px;text-transform:uppercase;cursor:pointer;
  transition:all .35s;display:flex;align-items:center;justify-content:center;gap:10px;
  box-shadow:0 4px 25px var(--shadow-red),0 2px 0 rgba(255,255,255,.08) inset;
  position:relative;overflow:hidden;
}
/* Shine */
.btn-auth::before {
  content:'';position:absolute;top:0;left:-100%;
  width:60%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);
  transform:skewX(-20deg);transition:left .5s;
}
.btn-auth:hover::before{left:150%;}
.btn-auth:hover {
  transform:translateY(-3px);
  box-shadow:0 10px 35px var(--shadow-red),0 0 0 1px rgba(220,38,38,.4);
}
.btn-auth:active{transform:translateY(-1px);}
.btn-auth:disabled{opacity:.5;cursor:not-allowed;transform:none;}

.spinner {
  width:20px;height:20px;
  border:2.5px solid rgba(255,255,255,.3);
  border-top-color:#fff;border-radius:50%;
  animation:spin .7s linear infinite;display:none;
}
.btn-auth.loading .btn-text{display:none;}
.btn-auth.loading .spinner{display:block;}
@keyframes spin{to{transform:rotate(360deg)}}

/* =====================================================
   DIVIDER
===================================================== */
.auth-divider {
  display:flex;align-items:center;gap:14px;margin:28px 0 0;
}
.auth-divider::before,.auth-divider::after {
  content:'';flex:1;height:1px;
  background:linear-gradient(90deg,transparent,rgba(220,38,38,.25),transparent);
}
.auth-divider span {
  font-size:.73rem;color:var(--gray-dk);
  text-transform:uppercase;letter-spacing:1.5px;white-space:nowrap;
}

/* =====================================================
   FOOTER DO CARD
===================================================== */
.auth-footer {
  text-align:center;margin-top:20px;font-size:.9rem;color:var(--gray-md);
}
.auth-footer a {
  color:var(--red-light);text-decoration:none;font-weight:700;
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:10px;
  border:1px solid rgba(220,38,38,.25);
  background:rgba(220,38,38,.06);
  transition:all .3s;margin-top:8px;
}
.auth-footer a:hover {
  background:rgba(220,38,38,.15);border-color:var(--red);
  transform:translateY(-2px);box-shadow:0 6px 20px rgba(220,38,38,.2);
}

/* =====================================================
   RESPONSIVO
===================================================== */
@media(max-width:520px){
  .auth-card{padding:34px 24px 30px;border-radius:20px;}
  .auth-card-title{font-size:2rem;}
  .auth-logo-icon{width:66px;height:66px;}
  .auth-logo-icon img{width:38px;height:38px;}
}