body {
    background: #18406a;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    position: relative;
    overflow: hidden;
}

/* Brand text styling */
.brand-text {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
    z-index: 10;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.brand-text:hover {
    color: rgba(255, 255, 255, 1);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateX(-50%) translateY(-1px);
}

/* Brand footer styling */
.brand-footer {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
    z-index: 100;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    pointer-events: none;
}

.brand-footer:hover {
    color: rgba(255, 255, 255, 1);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateX(-50%) translateY(-1px);
}

/* Letras D, I, M, I com pontos e linhas */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    /* Linhas conectando os pontos das letras */
    background:
        /* D */
        linear-gradient(120deg, rgba(255,255,255,0.08) 30%, transparent 30%),
        linear-gradient(90deg, rgba(255,255,255,0.08) 20%, transparent 20%),
        linear-gradient(60deg, rgba(255,255,255,0.08) 30%, transparent 30%),
        /* I */
        linear-gradient(90deg, rgba(255,255,255,0.08) 40%, transparent 40%),
        /* M */
        linear-gradient(120deg, rgba(255,255,255,0.08) 60%, transparent 60%),
        linear-gradient(-120deg, rgba(255,255,255,0.08) 60%, transparent 60%),
        linear-gradient(90deg, rgba(255,255,255,0.08) 60%, transparent 60%),
        /* I final */
        linear-gradient(90deg, rgba(255,255,255,0.08) 80%, transparent 80%);
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    /* Pontos das letras D, I, M, I nos quatro cantos */
    background:
        /* Topo Esquerdo (original) */
        radial-gradient(circle at 10vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 10vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 14vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 14vw 14vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 14vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 20vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 20vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 26vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 28vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 30vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 32vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 34vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 40vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 40vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        /* Topo Direito */
        radial-gradient(circle at 90vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 90vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 86vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 86vw 14vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 86vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 80vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 80vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 74vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 72vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 70vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 68vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 66vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 60vw 10vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 60vw 18vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        /* Inferior Esquerdo */
        radial-gradient(circle at 10vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 10vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 14vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 14vw 86vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 14vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 20vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 20vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 26vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 28vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 30vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 32vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 34vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 40vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 40vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        /* Inferior Direito */
        radial-gradient(circle at 90vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 90vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 86vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 86vw 86vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 86vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 80vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 80vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 74vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 72vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 70vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 68vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 66vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 60vw 90vh, rgba(255,255,255,0.18) 0 6px, transparent 7px),
        radial-gradient(circle at 60vw 82vh, rgba(255,255,255,0.18) 0 6px, transparent 7px);
    background-size: 100vw 100vh;
    background-repeat: no-repeat;
    opacity: 0.7;
}

/* Floating geometric shapes */
.login-container::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 200px;
    height: 200px;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.1) 0%, transparent 40%),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.05) 0%, transparent 40%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
    z-index: -1;
}

.login-container::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 160px;
    height: 160px;
    background: 
        conic-gradient(from 0deg, 
            transparent 0deg, 
            rgba(255,255,255,0.03) 45deg, 
            transparent 90deg, 
            rgba(255,255,255,0.03) 135deg, 
            transparent 180deg, 
            rgba(255,255,255,0.03) 225deg, 
            transparent 270deg, 
            rgba(255,255,255,0.03) 315deg, 
            transparent 360deg);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: syncRotate 20s linear infinite;
    z-index: -1;
}

/* Additional floating elements */
body > div:first-child::before,
body > div:first-child::after {
    display: none !important;
}

/* Integration system elements */
body > div:first-child {
    position: relative;
}

/* API Connectors */
body > div:first-child::before {
    content: '';
    position: fixed;
    top: 15%;
    right: 25%;
    width: 40px;
    height: 40px;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255,255,255,0.06) 0%, transparent 50%);
    border-radius: 50%;
    animation: apiConnect 12s ease-in-out infinite;
    z-index: 0;
}

/* Data Flow Lines */
body > div:first-child::after {
    content: '';
    position: fixed;
    top: 25%;
    left: 20%;
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255,255,255,0.04) 20%, 
        rgba(255,255,255,0.08) 50%, 
        rgba(255,255,255,0.04) 80%, 
        transparent 100%);
    animation: dataFlow 8s ease-in-out infinite;
    z-index: 0;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 
        0 8px 32px rgba(0,0,0,0.1),
        0 2px 8px rgba(0,0,0,0.05),
        inset 0 1px 0 rgba(255,255,255,0.8);
    width: 100%;
    max-width: 350px;
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255,255,255,0.2);
}

.login-form h2 {
    margin-bottom: 1.5rem;
    color: #18406a;
    font-weight: 600;
    text-align: center;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: #2176ae;
    font-size: 1rem;
}

.form-group input {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid #6ec1e4;
    border-radius: 6px;
    font-size: 1rem;
    background: #f9fafb;
    transition: border 0.2s;
}

.form-group input:focus {
    border-color: #2176ae;
    outline: none;
}

button[type="submit"] {
    width: 100%;
    padding: 0.8rem;
    background: #18406a;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(24,64,106,0.08);
}

button[type="submit"]:hover {
    background: #2176ae;
}

.error {
    background: #ffeaea;
    color: #d32f2f;
    padding: 0.7rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.98rem;
}

.info {
    background: #e8f4fd;
    color: #18406a;
    padding: 0.7rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.98rem;
    line-height: 1.5;
}

.form-help {
    color: #4a6a8a;
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

.form-links {
    margin-top: 1rem;
    text-align: center;
}

.form-links a {
    color: #2176ae;
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s;
}

.form-links a:hover {
    color: #18406a;
    text-decoration: underline;
}

.btn-link {
    display: block;
    width: 100%;
    padding: 0.8rem;
    background: #18406a;
    color: #fff;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(24,64,106,0.08);
}

.btn-link:hover {
    background: #2176ae;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1) opacity: 0.8; }
    50% { transform: scale(1.1) opacity: 1; }
}

@keyframes morph {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}

@keyframes grid {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Additional Integration Animations */
@keyframes apiConnect {
    0%, 100% { 
        transform: scale(1) rotate(0deg); 
        opacity: 0.6;
    }
    50% { 
        transform: scale(1.2) rotate(180deg); 
        opacity: 0.9;
    }
}

@keyframes dataFlow {
    0%, 100% { 
        transform: translateX(0) scaleX(1); 
        opacity: 0.4;
    }
    50% { 
        transform: translateX(20px) scaleX(1.5); 
        opacity: 0.8;
    }
}

@keyframes syncRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}