/* =============================================================
   UPHONE BI · Login · CSS
   ============================================================= */

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.login-box {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 44px 38px 36px;
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow-card), 0 0 60px var(--neon-glow-soft);
    animation: slideUp 0.6s ease both;
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, var(--neon-cyan), transparent 40%, transparent 60%, var(--neon-blue));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    opacity: 0.5;
    pointer-events: none;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 78px;
    height: 78px;
    border-radius: 50%;
    background: linear-gradient(135deg, #003d77, #0060b0);
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 30px var(--neon-glow), inset 0 0 20px rgba(0, 212, 255, 0.15);
    margin-bottom: 18px;
    position: relative;
}

.login-logo::after {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px solid var(--neon-cyan);
    opacity: 0.25;
    animation: ringPulse 3s ease-in-out infinite;
}

@keyframes ringPulse {
    0%, 100% { transform: scale(1);    opacity: 0.25; }
    50%      { transform: scale(1.15); opacity: 0;    }
}

.login-logo svg {
    width: 38px;
    height: 38px;
    color: var(--neon-cyan);
}

.login-title {
    font-family: var(--font-tech);
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 5px;
    background: linear-gradient(135deg, #ffffff 0%, var(--neon-cyan) 50%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 12px var(--neon-glow));
    margin-bottom: 4px;
}

.login-subtitle {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.7;
}

.login-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 10px;
    color: var(--neon-cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.7;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.field-group {
    position: relative;
}

.field-group label {
    margin-bottom: 6px;
    font-size: 10px;
    letter-spacing: 2.5px;
}

.field-group input {
    padding-left: 42px;
}

.field-group .field-icon {
    position: absolute;
    top: 33px;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-dim);
    pointer-events: none;
    transition: color 0.2s;
}

.field-group input:focus + .field-icon,
.field-group:focus-within .field-icon {
    color: var(--neon-cyan);
}

.login-btn {
    margin-top: 10px;
    padding: 15px;
    font-size: 12px;
    width: 100%;
}

.login-footer {
    text-align: center;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.login-footer strong {
    color: var(--neon-cyan);
    font-weight: 700;
}

@media (max-width: 480px) {
    .login-box { padding: 32px 24px 28px; }
    .login-title { font-size: 22px; letter-spacing: 3px; }
}