/* ============================================================
   Nova Ads — auth.css
   Páginas de acceso. Alineado con la estética de Nova ONE
   y la landing (teal oscuro + Space Grotesk + Inter).
   ============================================================ */

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

:root {
    --teal: #4a9999;
    --teal-dk: #2d7d7d;
    --teal-glow: #5fd4d4;
    --violet: #8b5cf6;
    --bg: #040d0c;
    --card-border: rgba(126,200,200,.14);
    --txt: #e8f2f1;
    --txt-2: rgba(232,242,241,.6);
    --txt-3: rgba(232,242,241,.38);
    --f-display: 'Space Grotesk', 'Inter', sans-serif;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--txt);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Glow + retícula de fondo (igual que la landing) */
body::before {
    content: '';
    position: fixed;
    top: -35%; left: 50%;
    transform: translateX(-50%);
    width: 1000px; height: 800px;
    background: radial-gradient(ellipse at center, rgba(74,153,153,.18) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}
body::after {
    content: '';
    position: fixed; inset: 0;
    background-image: linear-gradient(rgba(126,200,200,.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(126,200,200,.04) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 55% at 50% 45%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 45%, #000 30%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

.container { width: 100%; max-width: 420px; position: relative; z-index: 1; }

.brand { text-align: center; margin-bottom: 28px; }
.brand-logo {
    font-family: var(--f-display);
    font-size: 38px;
    font-weight: 700;
    letter-spacing: -.03em;
    margin-bottom: 8px;
}
.brand-nova { color: #fff; }
.brand-ads {
    background: linear-gradient(135deg, var(--teal-glow), var(--violet));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-left: 8px;
}
.brand p { color: var(--txt-2); font-size: 14px; }

.card {
    background: rgba(12,27,25,.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 38px 34px;
    box-shadow: 0 30px 80px rgba(0,0,0,.55), 0 0 60px rgba(74,153,153,.07);
}

.card h2 {
    font-family: var(--f-display);
    font-size: 23px;
    font-weight: 700;
    letter-spacing: -.02em;
    color: #fff;
    margin-bottom: 6px;
}

.card .subtitle { font-size: 13px; color: var(--txt-2); margin-bottom: 26px; }

.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--txt-2);
    margin-bottom: 7px;
}

.form-group input {
    width: 100%;
    padding: 13px 15px;
    font-size: 14px;
    background: rgba(6,15,14,.8);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--txt);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    font-family: inherit;
}

.form-group input::placeholder { color: var(--txt-3); }

.form-group input:focus {
    border-color: var(--teal-glow);
    box-shadow: 0 0 0 3px rgba(95,212,212,.14);
}

.hint { font-size: 11.5px; color: var(--txt-3); margin-top: 5px; line-height: 1.45; }

.btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--teal-glow), var(--teal-dk));
    color: #04201e;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: transform .18s, box-shadow .18s;
    margin-top: 8px;
    box-shadow: 0 0 0 1px rgba(95,212,212,.35), 0 6px 24px rgba(74,153,153,.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 0 1px rgba(95,212,212,.55), 0 10px 32px rgba(74,153,153,.45);
}

.btn:active { transform: translateY(0); }

.btn-novaone {
    background: rgba(255,255,255,.04);
    color: var(--txt);
    border: 1px solid rgba(255,255,255,.14);
    box-shadow: none;
}
.btn-novaone:hover {
    background: rgba(255,255,255,.09);
    box-shadow: none;
    border-color: var(--teal-glow);
}

.divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0 10px;
    color: var(--txt-3);
    font-size: 12px;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--card-border);
}

.alert {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
    border: 1px solid;
}

.alert.error {
    background: rgba(239,68,68,.1);
    color: #fca5a5;
    border-color: rgba(239,68,68,.25);
}

.alert.success {
    background: rgba(37,211,102,.1);
    color: #6ee7a0;
    border-color: rgba(37,211,102,.25);
}

.footer {
    text-align: center;
    margin-top: 22px;
    color: var(--txt-3);
    font-size: 12px;
}

@media (max-width: 480px) {
    .card { padding: 30px 24px; }
    .brand-logo { font-size: 32px; }
}