/* ═══════════════════════════════════════════
   InstaCollection — login.css
═══════════════════════════════════════════ */

:root {
  --blue: #1a6cf6;
  --blue2: #0d4fd4;
  --dark: #07090f;
  --surface: #131620;
  --border: rgba(255,255,255,.08);
  --border2: rgba(255,255,255,.14);
  --text: #eef0ff;
  --muted: rgba(238,240,255,.45);
}

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

body {
  font-family:'DM Sans',sans-serif;
  background:var(--dark);
  color:var(--text);
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  padding:16px;
}

/* ── BACKGROUNDS ── */
.bg-mesh {
  position:fixed; inset:0; pointer-events:none;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%,rgba(26,108,246,.15),transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%,rgba(96,165,250,.08),transparent 60%);
  animation:meshAnim 10s ease-in-out infinite;
}
@keyframes meshAnim { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.7;transform:scale(1.05)} }

.bg-grid {
  position:fixed; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(26,108,246,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(26,108,246,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black,transparent);
}

body::after {
  content:''; position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.025;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:160px;
}

.particles { position:fixed; inset:0; pointer-events:none; overflow:hidden; }
.particle { position:absolute; border-radius:50%; background:rgba(26,108,246,.6); animation:pFloat linear infinite; }
@keyframes pFloat {
  0%{transform:translateY(110vh);opacity:0}
  10%{opacity:1} 90%{opacity:1}
  100%{transform:translateY(-50px);opacity:0}
}

/* ── CARD ── */
.card {
  position:relative; z-index:10;
  width:100%; max-width:420px;
  background:rgba(19,22,32,.88);
  border:1px solid var(--border2);
  border-radius:24px;
  padding:36px 32px;
  backdrop-filter:blur(24px);
  box-shadow:0 40px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.04);
  animation:cardIn .7s cubic-bezier(.16,1,.3,1) both;
}
@keyframes cardIn { from{opacity:0;transform:translateY(32px)} to{opacity:1;transform:translateY(0)} }
.card::before {
  content:''; position:absolute; top:0; left:10%; right:10%; height:1px;
  background:linear-gradient(90deg,transparent,rgba(26,108,246,.6),transparent);
}

/* ── LOGO ── */
.logo {
  display:flex; align-items:center; justify-content:center; gap:10px;
  margin-bottom:22px; animation:fadeUp .6s ease .1s both;
}
.logo-icon {
  width:40px; height:40px; border-radius:12px; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 0 24px rgba(26,108,246,.5); flex-shrink:0;
}
.logo-icon img { width:100%; height:100%; object-fit:cover; }
.logo-text { font-family:'Syne',sans-serif; font-size:19px; font-weight:700; }

/* ── TÍTULOS ── */
.card-title {
  font-family:'Syne',sans-serif; font-size:22px; font-weight:800;
  text-align:center; margin-bottom:6px; animation:fadeUp .6s ease .15s both;
}
.card-sub {
  font-size:13.5px; color:var(--muted); text-align:center;
  margin-bottom:24px; animation:fadeUp .6s ease .2s both;
}

/* ── GOOGLE BTN ── */
.btn-google {
  width:100%; display:flex; align-items:center; justify-content:center; gap:10px;
  padding:12px 16px; background:rgba(255,255,255,.05); border:1px solid var(--border2);
  border-radius:12px; font-size:14px; font-weight:600; color:var(--text);
  cursor:pointer; transition:all .2s; font-family:'DM Sans',sans-serif;
  margin-bottom:18px; animation:fadeUp .6s ease .22s both; text-decoration:none;
}
.btn-google:hover { background:rgba(255,255,255,.1); border-color:rgba(255,255,255,.25); transform:translateY(-1px); }
.btn-google svg { width:18px; height:18px; flex-shrink:0; }

/* ── DIVIDER ── */
.divider-or {
  display:flex; align-items:center; gap:12px;
  margin-bottom:18px; color:var(--muted); font-size:12px;
  animation:fadeUp .6s ease .26s both;
}
.divider-or::before,.divider-or::after { content:''; flex:1; height:1px; background:var(--border); }

/* ── FORM ── */
.form-group { margin-bottom:14px; animation:fadeUp .6s ease both; }

label { display:block; font-size:12px; font-weight:600; color:var(--muted); margin-bottom:6px; letter-spacing:.3px; }

.input-wrap { position:relative; }
.input-wrap input {
  width:100%; padding:12px 14px;
  background:rgba(255,255,255,.04); border:1px solid var(--border2);
  border-radius:11px; font-size:14px; font-family:'DM Sans',sans-serif;
  color:var(--text); outline:none; transition:all .2s;
}
.input-wrap input.has-eye { padding-right:42px; }
.input-wrap input::placeholder { color:rgba(238,240,255,.2); }
.input-wrap input:focus {
  border-color:rgba(26,108,246,.6);
  background:rgba(26,108,246,.04);
  box-shadow:0 0 0 3px rgba(26,108,246,.12);
}

.eye-btn {
  position:absolute; right:12px; top:50%; transform:translateY(-50%);
  background:none; border:none; cursor:pointer; color:var(--muted);
  font-size:16px; padding:4px; line-height:1; transition:color .2s;
}
.eye-btn:hover { color:var(--text); }

/* ── ERRO ── */
.error-msg {
  background:rgba(239,68,68,.1); border:1px solid rgba(239,68,68,.25);
  color:#fca5a5; padding:11px 14px; border-radius:10px;
  font-size:13px; margin-bottom:14px; display:none;
}

/* ── BOTÃO PRINCIPAL ── */
.btn-main {
  width:100%; padding:13px; background:var(--blue); color:#fff; border:none;
  border-radius:12px; font-size:15px; font-weight:600; font-family:'DM Sans',sans-serif;
  cursor:pointer; position:relative; overflow:hidden;
  box-shadow:0 8px 32px rgba(26,108,246,.4); transition:all .2s;
  margin-top:6px; animation:fadeUp .6s ease .38s both;
}
.btn-main:hover { background:var(--blue2); transform:translateY(-2px); box-shadow:0 12px 40px rgba(26,108,246,.55); }
.btn-main:disabled { opacity:.5; cursor:not-allowed; transform:none; }

/* ── LINKS ── */
.link-forgot { text-align:right; margin-bottom:8px; animation:fadeUp .6s ease .35s both; }
.link-forgot a { font-size:12.5px; color:var(--muted); text-decoration:none; transition:color .2s; }
.link-forgot a:hover { color:#60a5fa; }

.link-footer { text-align:center; font-size:13.5px; color:var(--muted); margin-top:18px; animation:fadeUp .6s ease .45s both; }
.link-footer a { color:var(--blue); font-weight:600; text-decoration:none; }

.back-link {
  position:fixed; top:20px; left:20px; z-index:20;
  display:flex; align-items:center; gap:6px;
  font-size:13px; color:var(--muted); text-decoration:none; transition:color .2s;
}
.back-link:hover { color:var(--text); }

@keyframes fadeUp { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }

/* ── MOBILE ── */
@media(max-width:480px) {
  body { align-items:flex-start; padding:24px 16px; }
  .card { padding:28px 20px; border-radius:20px; }
  .card-title { font-size:20px; }
}