/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--pure-black);
    color: var(--pure-white);
    text-shadow: var(--text-shadow-white);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Animado */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        var(--pure-black) 0%, 
        var(--black-70) 25%, 
        var(--pure-black) 50%, 
        var(--black-70) 75%, 
        var(--pure-black) 100%);
    background-size: 400% 400%;
    animation: gradient-shift 90s ease infinite;
    z-index: -2;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Partículas */
#tsparticles {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

/* Container Principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Header */
.app-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 50px 20px 30px 20px;
    background: var(--pure-black);
    border-radius: 20px;
    border: 2px solid var(--primary-green);
    box-shadow: var(--glow-green);
    backdrop-filter: blur(10px);
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.logo-icon {
    font-size: 3rem;
    filter: drop-shadow(var(--glow-green));
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-green);
    text-shadow: var(--text-shadow-green);
    animation: title-glow 3s ease-in-out infinite alternate;
}

.subtitle {
    color: var(--pure-white);
    text-shadow: var(--text-shadow-white);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.4;
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 20px;
}

/* Seções Gerais */
section {
    background: var(--glass-bg);
    border: 2px solid var(--primary-green);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(15px);
    box-shadow: var(--glow-green);
    position: relative;
    transition: all 0.3s ease;
}

section:hover {
    box-shadow: 0 0 30px var(--green-glow);
    border-color: var(--green-light);
}

section h2 {
    color: var(--primary-green);
    text-shadow: var(--text-shadow-green);
    margin-bottom: 15px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

section p,
section span,
section label {
    color: var(--pure-white);
    text-shadow: var(--text-shadow-white);
}

/* Footer */
.app-footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px;
    background: var(--pure-black);
    border-radius: 10px;
    border-top: 2px solid var(--primary-green);
    color: var(--pure-white);
    text-shadow: var(--text-shadow-white);
    font-size: 0.9rem;
    line-height: 1.5;
}

.app-footer strong {
    color: var(--primary-green);
    text-shadow: var(--text-shadow-green);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--black-70);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loading-overlay.hidden {
    display: none;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--black-30);
    border-top: 4px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

#loadingText {
    color: var(--pure-white);
    text-shadow: var(--text-shadow-white);
    font-size: 1.1rem;
    text-align: center;
}

/* Inputs e Formulários */
input, textarea, select {
    color: var(--pure-white);
    text-shadow: var(--text-shadow-white);
}

input::placeholder,
textarea::placeholder {
    color: var(--gray-medium);
    text-shadow: var(--text-shadow-black-blur);
}

/* Botões */
button {
    color: var(--pure-white);
    text-shadow: var(--text-shadow-white);
}

button:hover {
    text-shadow: var(--text-shadow-green);
}

/* Utilitários */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-green {
    color: var(--primary-green) !important;
    text-shadow: var(--text-shadow-green) !important;
}

.text-white {
    color: var(--pure-white) !important;
    text-shadow: var(--text-shadow-white) !important;
}

.bg-black {
    background: var(--pure-black);
}

.bg-green {
    background: var(--primary-green);
}

/* Responsividade Básica */
@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 15px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
}