/* ================== TELA DE LOGIN E AUTENTICAÇÃO ================== */
.auth-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
}

.auth-box {
    background-color: var(--bg-panel);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-dim);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.5);
    width: 90%;
    max-width: 400px;
    text-align: center;
    animation: fadeInDrop 0.5s ease-out;
}

.auth-logo { height: 90px; margin-bottom: 15px; mix-blend-mode: screen; filter: brightness(1.1); }
.auth-title { font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 5px; }
.auth-subtitle { color: var(--ccol-blue-bright); font-size: 0.9rem; margin-bottom: 30px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }

.auth-input-group { text-align: left; margin-bottom: 20px; }
.auth-input-group label { display: block; margin-bottom: 8px; font-size: 0.85rem; color: var(--text-secondary); font-weight: 600; }
.auth-input-group input { 
    width: 100%; padding: 14px; background: rgba(0,0,0,0.3); 
    border: 1px solid var(--border-dim); border-radius: 8px; 
    color: #fff; font-size: 1rem; transition: border 0.3s;
}
.auth-input-group input:focus { border-color: var(--ccol-green-bright); outline: none; box-shadow: 0 0 0 2px rgba(61,220,132,0.2); }

.btn-auth {
    width: 100%; padding: 14px; border-radius: 8px; border: none;
    background-color: var(--ccol-blue-bright); color: #000;
    font-weight: 800; font-size: 1rem; cursor: pointer; transition: all 0.2s;
    text-transform: uppercase; letter-spacing: 1px; margin-top: 10px;
}
.btn-auth:hover { background-color: #3b82f6; color: #fff; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4); }

.auth-warning {
    background-color: rgba(251, 146, 60, 0.1); border: 1px solid var(--ccol-rust-bright);
    color: var(--ccol-rust-bright); padding: 12px; border-radius: 8px; font-size: 0.85rem;
    margin-bottom: 20px; text-align: left; line-height: 1.4; font-weight: 600;
}