/* =========================================================
   AUTH THEME (turquesa/azul) — mobile-first, no npm
   ========================================================= */

:root{
    --bg0:#061a1e;
    --bg1:#062a33;
    --card: rgba(255,255,255,.08);
    --card2: rgba(255,255,255,.10);
    --border: rgba(255,255,255,.14);
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.70);

    --accent:#34d5d0;       /* turquesa */
    --accent2:#5aa8ff;      /* azul claro */
    --accent3:#22c1c3;      /* teal */
    --danger:#ff5b6b;

    --radius:18px;
    --shadow: 0 18px 60px rgba(0,0,0,.55);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
    color:var(--text);
    background:
        radial-gradient(1200px 600px at 12% 10%, rgba(52,213,208,.25), transparent 55%),
        radial-gradient(900px 500px at 85% 15%, rgba(90,168,255,.22), transparent 60%),
        radial-gradient(900px 700px at 55% 95%, rgba(34,193,195,.14), transparent 65%),
        linear-gradient(160deg, var(--bg0), var(--bg1));
    overflow-x:hidden;
}

/* subtle grid */
.auth-bg-grid::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    opacity:.20;
    background-image:
        linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(500px 500px at 50% 35%, black 35%, transparent 70%);
}

/* main container */
.auth-wrap{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:20px;
}

.auth-shell{
    width:100%;
    max-width: 980px;
    display:grid;
    grid-template-columns: 1fr;
    gap:18px;
}

/* left “brand” panel (hidden on small screens) */
.auth-hero{
    display:none;
    padding:28px;
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(52,213,208,.10), rgba(90,168,255,.08));
    border:1px solid rgba(255,255,255,.10);
    box-shadow: 0 10px 40px rgba(0,0,0,.35);
    position:relative;
    overflow:hidden;
}
.auth-hero::after{
    content:"";
    position:absolute;
    inset:-100px;
    background: radial-gradient(circle at 30% 30%, rgba(52,213,208,.18), transparent 55%),
    radial-gradient(circle at 70% 60%, rgba(90,168,255,.16), transparent 58%);
    filter: blur(8px);
}
.auth-hero > *{ position:relative; }

.auth-brand{
    font-weight:800;
    letter-spacing:.2px;
    font-size:20px;
}
.auth-tag{
    margin-top:10px;
    color:var(--muted);
    line-height:1.45;
    font-size:14px;
}
.auth-bullets{
    margin-top:18px;
    display:grid;
    gap:10px;
    color:rgba(255,255,255,.82);
    font-size:14px;
}
.auth-bullets .item{
    display:flex;
    gap:10px;
    align-items:flex-start;
}
.auth-dot{
    width:10px;height:10px;border-radius:999px;
    margin-top:5px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 0 0 4px rgba(52,213,208,.12);
}

/* card */
.auth-card{
    border-radius: var(--radius);
    background: linear-gradient(180deg, var(--card), rgba(255,255,255,.06));
    border:1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow:hidden;
    position:relative;
}
.auth-card::before{
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    background: linear-gradient(135deg, rgba(52,213,208,.12), transparent 35%, rgba(90,168,255,.10));
    opacity:.9;
}
.auth-card > *{ position:relative; }

.auth-head{
    padding:22px 22px 0 22px;
}
.auth-title{
    font-size:22px;
    font-weight:800;
    margin:0;
}
.auth-subtitle{
    margin:8px 0 0 0;
    color: var(--muted);
    font-size:13px;
    line-height:1.4;
}

.auth-body{
    padding:18px 22px 22px 22px;
}

.auth-field{
    margin-top:14px;
}
.auth-label{
    display:flex;
    justify-content:space-between;
    align-items:center;
    font-size:12px;
    color: rgba(255,255,255,.78);
    margin-bottom:8px;
}
.auth-input{
    width:100%;
    border-radius: 14px;
    border:1px solid rgba(255,255,255,.14);
    background: rgba(0,0,0,.22);
    color: var(--text);
    padding: 12px 12px;
    font-size: 15px;
    outline:none;
    transition: border .18s ease, box-shadow .18s ease, background .18s ease;
}
.auth-input:focus{
    border-color: rgba(52,213,208,.55);
    box-shadow: 0 0 0 4px rgba(52,213,208,.18);
    background: rgba(0,0,0,.30);
}
.auth-input::placeholder{ color: rgba(255,255,255,.45); }

.auth-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:14px;
}
.auth-check{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    color: rgba(255,255,255,.78);
    user-select:none;
}
.auth-check input{
    width:18px;height:18px;
    accent-color: var(--accent);
}

.auth-btn{
    width:100%;
    border:0;
    border-radius: 14px;
    padding: 12px 14px;
    font-weight:800;
    font-size: 15px;
    color: #062024;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 14px 30px rgba(52,213,208,.20);
    cursor:pointer;
    transition: transform .08s ease, filter .12s ease, box-shadow .12s ease;
    position:relative;
    overflow:hidden;
}
.auth-btn:hover{ filter: brightness(1.04); box-shadow: 0 18px 40px rgba(52,213,208,.24); }
.auth-btn:active{ transform: translateY(1px); }
.auth-btn::after{
    content:"";
    position:absolute;
    inset:-40px -80px auto auto;
    width:180px; height:180px;
    background: radial-gradient(circle, rgba(255,255,255,.55), transparent 60%);
    transform: rotate(25deg);
    opacity:.28;
}

.auth-links{
    margin-top:14px;
    display:flex;
    justify-content:center;
}
.auth-link{
    color: rgba(255,255,255,.82);
    font-size: 13px;
    text-decoration:none;
    border-bottom: 1px solid rgba(255,255,255,.25);
    padding-bottom:2px;
}
.auth-link:hover{
    color:#fff;
    border-bottom-color: rgba(52,213,208,.55);
}

/* errors */
.auth-alert{
    margin-top:14px;
    border-radius: 14px;
    padding: 12px 12px;
    border:1px solid rgba(255,91,107,.35);
    background: rgba(255,91,107,.12);
    color: rgba(255,255,255,.90);
    font-size: 13px;
    line-height:1.35;
}
.auth-alert ul{ margin:8px 0 0 18px; }
.auth-alert li{ margin:4px 0; }

/* responsive: show hero on wider screens */
@media (min-width: 900px){
    .auth-shell{ grid-template-columns: 1.05fr .95fr; gap:18px; }
    .auth-hero{ display:block; }
    .auth-card{ align-self:center; }
}

/* small devices tweaks */
@media (max-width: 380px){
    .auth-head{ padding:18px 16px 0 16px; }
    .auth-body{ padding:16px 16px 18px 16px; }
    .auth-title{ font-size:20px; }
}