:root {
    --primary-gradient: linear-gradient(135deg, #CCFF00 0%, #B2CC21 100%);
    --secondary-gradient: linear-gradient(135deg, #B2CC21  0%, #CCFF00 100%);
    --text-color: #fff;
    --input-bg: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    min-height: 100vh;
    background: #000428;
    background: linear-gradient(45deg, #000000, #000000);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
}


body::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    background: url('/static/img/tela_de_fundo.jpg') no-repeat center center;
    background-size: cover;
    filter: blur(10px) brightness(0.4);
    transform: scale(1.1);
    z-index: 0;
    animation: backgroundFloat 20s ease-in-out infinite;
}


.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    margin: 20px;
    perspective: 1000px;
}


.login-card {
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    transform-style: preserve-3d;
    animation: cardFloat 6s ease-in-out infinite;
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}


.login-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--primary-gradient);
    border-radius: 24px;
    z-index: -1;
    opacity: 0.1;
    animation: borderGlow 4s ease-in-out infinite;
}


.logo-area {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 35px;
}

.logo-img {
    display: block;
    margin: 0 auto;
    width: 250px;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(39, 39, 39, 0.5));
    animation: logoGlow 3s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05) translateY(-5px);
}

.brand-name {
    font-size: 16px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    text-align: right;
    margin-right: 45px;
    bottom: 20px;
    text-shadow: 0 2px 10px rgba(172, 254, 79, 0.3);
}


.login-form-wrapper {
    position: relative;
}

#heading {
    color: var(--text-color);
    font-size: 32px;
    text-align: center;
    margin-bottom: 10px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    color: var(--text-color);
    text-align: center;
    font-size: 16px;
    margin-bottom: 30px;
}


.error-message {
    background: rgba(255, 82, 82, 0.1);
    color: #ff5252;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    border-left: 4px solid #ff5252;
    font-size: 14px;
    animation: shake 0.5s ease-in-out;
}


.field {
    position: relative;
    margin-bottom: 25px;
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    transition: 0.3s ease;
    z-index: 2;
}

.input-field {
    width: 100%;
    padding: 15px 15px 15px 45px;
    background: var(--input-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-color);
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.input-field:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(178, 254, 79, 0.5);
    box-shadow: 0 0 20px rgba(187, 254, 79, 0.2);
}

.input-field:focus + .input-icon {
    color: #050505;
    transform: translateY(-50%) scale(1.1);
}

.input-field::placeholder {
    color: rgba(255, 255, 255, 0.5);
}


.button1 {
    width: 100%;
    padding: 16px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    color: black;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.button1::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--secondary-gradient);
    transition: 0.5s ease-in-out;
    z-index: -1;
}

.button1:hover::before {
    left: 0;
}

.button1:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(169, 255, 98, 0.3);
}


@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0) rotateX(0) rotateY(0);
    }
    50% {
        transform: translateY(-10px) rotateX(2deg) rotateY(-2deg);
    }
}

@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(18, 18, 19, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 30px rgba(33, 33, 34, 0.8));
    }
}

@keyframes backgroundFloat {
    0%, 100% {
        transform: scale(1.1) translate(0, 0);
    }
    50% {
        transform: scale(1.1) translate(-1%, -1%);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

@keyframes borderGlow {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.2; }
}