/* ============================================================
   VOXEL PACS — auth.css
   Login / Select Tenant / Auth layouts
   ============================================================ */

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

:root {
    --primary:   #0ea5e9;
    --primary-d: #0284c7;
    --accent:    #06b6d4;
    --dark:      #020c1b;
    --dark-2:    #0a1628;
    --panel:     rgba(10, 22, 40, 0.88);
    --border:    rgba(14, 165, 233, 0.18);
    --text:      #e2eaf4;
    --muted:     #6b8aad;
    --font-head: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
}

html, body {
    height: 100%;
    font-family: var(--font-body);
    background: var(--dark);
    color: var(--text);
    overflow: hidden;
}

/* ── FUNDO ── */
#auth-bg {
    position: fixed; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 15% 110%, rgba(6,182,212,.14) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 90% -10%,  rgba(14,165,233,.16) 0%, transparent 55%),
        radial-gradient(ellipse 50% 50% at 50% 50%,   rgba(2,12,27,.95) 0%, #020c1b 100%);
}
#auth-bg::before {
    content: '';
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(14,165,233,.1) 1px, transparent 1px);
    background-size: 36px 36px;
    animation: gridDrift 22s linear infinite;
}
#auth-bg::after {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(0deg,
        transparent, transparent 3px,
        rgba(14,165,233,.02) 3px, rgba(14,165,233,.02) 4px);
    pointer-events: none;
}
@keyframes gridDrift {
    from { background-position: 0 0; }
    to   { background-position: 36px 36px; }
}

/* ── ORBES ── */
.orb {
    position: fixed; border-radius: 50%;
    filter: blur(90px); opacity: .45;
    animation: orbFloat 12s ease-in-out infinite alternate;
    pointer-events: none; z-index: 0;
}
.orb-1 { width: 520px; height: 520px; background: rgba(6,182,212,.18);  top: -160px; left: -120px; animation-duration: 14s; }
.orb-2 { width: 400px; height: 400px; background: rgba(14,165,233,.15); bottom: -80px; right: -80px; animation-duration: 10s; animation-delay: -4s; }
.orb-3 { width: 260px; height: 260px; background: rgba(2,132,199,.20);  top: 40%; left: 60%; animation-duration: 16s; animation-delay: -7s; }
@keyframes orbFloat {
    from { transform: translate(0,0) scale(1); }
    to   { transform: translate(30px,-40px) scale(1.08); }
}

/* ── LAYOUT SPLIT ── */
.auth-layout {
    position: relative; z-index: 1;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 480px;
}

/* ── LADO ESQUERDO ── */
.auth-brand {
    display: flex; flex-direction: column;
    justify-content: center; align-items: flex-start;
    padding: 60px 70px;
    position: relative;
}
.auth-brand-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(14,165,233,.1);
    border: 1px solid rgba(14,165,233,.22);
    border-radius: 100px; padding: 5px 14px;
    font-family: var(--font-head);
    font-size: .72rem; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--primary); margin-bottom: 32px;
}
.auth-brand-tag::before {
    content: '';
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--primary);
    animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:.3; transform:scale(.5); }
}
.auth-brand h1 {
    font-family: var(--font-head);
    font-size: clamp(2.4rem, 3.5vw, 3.8rem);
    font-weight: 800; line-height: 1.1;
    color: #fff; letter-spacing: -.02em;
    margin-bottom: 20px;
}
.auth-brand h1 span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.auth-brand > p {
    font-size: 1rem; color: var(--muted);
    line-height: 1.75; max-width: 420px;
    margin-bottom: 48px;
}
.feature-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 8px; padding: 9px 16px;
    font-size: .8rem; color: #94afc9;
    transition: border-color .2s, background .2s;
}
.pill i { color: var(--primary); font-size: .75rem; }
.pill:hover { border-color: var(--border); background: rgba(14,165,233,.07); }

/* Orthanc badge — oculto */
.orthanc-badge { display: none !important; }

/* ── PAINEL DIREITO ── */
.auth-panel {
    display: flex; align-items: center; justify-content: center;
    padding: 40px;
    background: var(--panel);
    border-left: 1px solid var(--border);
    backdrop-filter: blur(28px);
    position: relative;
}
.auth-panel::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
}
.auth-box {
    width: 100%; max-width: 360px;
    animation: slideUp .5s cubic-bezier(.22,.84,.36,1) both;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Logo */
.auth-logo { display: block; text-align: center; margin-bottom: 28px; }
.auth-logo img {
    max-width: 300px; width: 100%; height: auto;
    border-radius: 12px;
    filter: drop-shadow(0 4px 28px rgba(14,165,233,.5));
}

/* Títulos */
.auth-title {
    font-family: var(--font-head);
    font-size: 1.45rem; font-weight: 700;
    color: #fff; margin-bottom: 4px;
}
.auth-subtitle {
    font-size: .84rem; color: var(--muted); margin-bottom: 26px;
}

/* Campos */
.field-group { margin-bottom: 18px; }
.field-label {
    display: block; font-size: .75rem; font-weight: 500;
    color: #7d9bb8; text-transform: uppercase;
    letter-spacing: .07em; margin-bottom: 7px;
}
.field-wrap { position: relative; display: flex; align-items: center; }
.field-icon {
    position: absolute; left: 14px;
    color: var(--muted); font-size: .82rem;
    pointer-events: none; transition: color .2s;
}
.field-wrap:focus-within .field-icon { color: var(--primary); }
.field-input {
    width: 100%;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 10px;
    padding: 12px 14px 12px 40px;
    font-family: var(--font-body);
    font-size: .9rem; color: #fff;
    transition: border-color .25s, background .25s, box-shadow .25s;
    outline: none;
}
.field-input::placeholder { color: rgba(255,255,255,.2); }
.field-input:focus {
    border-color: var(--primary);
    background: rgba(14,165,233,.06);
    box-shadow: 0 0 0 3px rgba(14,165,233,.12);
}
.btn-eye {
    position: absolute; right: 12px;
    background: none; border: none; cursor: pointer;
    color: var(--muted); font-size: .82rem;
    padding: 4px; transition: color .2s;
}
.btn-eye:hover { color: var(--primary); }

/* Botão submit */
.btn-login {
    width: 100%; margin-top: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border: none; border-radius: 10px; padding: 13px;
    font-family: var(--font-head);
    font-size: .95rem; font-weight: 700;
    color: #fff; letter-spacing: .03em;
    cursor: pointer; position: relative; overflow: hidden;
    transition: transform .15s, box-shadow .15s;
    box-shadow: 0 4px 20px rgba(14,165,233,.3);
}
.btn-login::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,.12), transparent);
    opacity: 0; transition: opacity .2s;
}
.btn-login:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(14,165,233,.4); }
.btn-login:hover::before { opacity: 1; }
.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: .7; transform: none; cursor: not-allowed; }

/* Alertas */
.auth-alert {
    display: flex; align-items: flex-start; gap: 10px;
    border-radius: 10px; padding: 11px 14px;
    font-size: .83rem; margin-bottom: 18px;
    border: 1px solid transparent;
}
.auth-alert.danger  { background: rgba(239,68,68,.1);  border-color: rgba(239,68,68,.25);  color: #fca5a5; }
.auth-alert.warning { background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.25); color: #fcd34d; }
.auth-alert i { margin-top: 2px; flex-shrink: 0; }

/* Footer */
.auth-footer {
    text-align: center; margin-top: 28px;
    font-size: .73rem; color: rgba(107,138,173,.55);
}
.auth-footer span { color: rgba(14,165,233,.65); }

/* Responsivo */
@media (max-width: 860px) {
    html, body { overflow: auto; }
    .auth-layout { grid-template-columns: 1fr; }
    .auth-brand { display: none; }
    .auth-panel { min-height: 100vh; border-left: none; padding: 48px 24px; }
}