/* ================= VARIÁVEIS DE TEMA ================= */
:root {
    --orange-primary: #f26a00;
    --orange-secondary: #ff8c00;
    --orange-glow: rgba(242, 106, 0, 0.35);
    
    /* Dark Mode Default */
    --bg-base: #121214;
    --bg-surface: #1e1e22;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(30, 30, 34, 0.7);
    --logo-body-color: #ffffff;
}

[data-theme="light"] {
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --border-color: rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --logo-body-color: #0b0f19;
}

/* ================= RESET E BASE ================= */
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', sans-serif; -webkit-tap-highlight-color: transparent; }

body { 
    background-color: var(--bg-base); 
    color: var(--text-main); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    min-height: 100vh; 
    overflow: hidden; 
    position: relative;
    transition: background-color 0.3s ease;
}

/* ================= BACKGROUND EFFECT ================= */
.background-effect {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, var(--orange-glow) 0%, transparent 70%);
    z-index: 0;
    filter: blur(60px);
    pointer-events: none;
}

header {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.theme-toggle { 
    background: var(--glass-bg); 
    border: 1px solid var(--border-color); 
    color: var(--text-main); 
    font-size: 1.2rem; 
    cursor: pointer; 
    padding: 10px;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}
.theme-toggle:hover { transform: scale(1.1); border-color: var(--orange-primary); }

/* ================= ROUTER CONTAINER ================= */
.router-container {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    width: 90%;
    max-width: 420px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 10;
}

.welcome-text {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ================= SVG INTERACTIVE LOGO ================= */
.logo-container {
    margin-bottom: 20px;
    user-select: none;
    touch-action: none; /* Impede o scroll ao arrastar letras */
}

#interactive-logo text {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -2px;
}

.logo-m { fill: var(--orange-primary); }
.logo-rest { fill: var(--logo-body-color); transition: fill 0.3s ease; }

.draggable-letter {
    cursor: grab;
}
.draggable-letter:active {
    cursor: grabbing;
}

/* ================= BUTTONS ================= */
.btn {
    width: 100%;
    padding: 16px;
    margin-bottom: 15px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-google { 
    background: #ffffff; 
    color: #000000; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.btn-google:hover { background: #f8f9fa; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }
.btn-google img { width: 22px; }

.btn-site { 
    background: transparent; 
    color: var(--text-muted); 
    border: 1px solid var(--border-color); 
}
.btn-site:hover { 
    color: var(--text-main); 
    border-color: var(--orange-primary); 
    background: rgba(242, 106, 0, 0.05);
}

.btn-role { 
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-secondary)); 
    color: #fff; 
    box-shadow: 0 8px 25px var(--orange-glow);
}
.btn-role:hover { transform: translateY(-2px); box-shadow: 0 10px 30px var(--orange-glow); }

/* ================= MODAL ================= */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none; transition: opacity 0.3s ease;
    z-index: 1000;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal-content {
    background: var(--bg-surface); 
    padding: 35px 30px; 
    border-radius: 24px;
    width: 90%; 
    max-width: 380px; 
    text-align: center;
    transform: translateY(30px); 
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.modal-overlay.active .modal-content { transform: translateY(0); }

.modal-content h3 { margin-bottom: 10px; font-size: 1.3rem; font-weight: 800; }
        
.close-modal {
    background: transparent; color: var(--text-muted); border: none;
    margin-top: 15px; cursor: pointer; font-size: 0.95rem; font-weight: 500;
    transition: color 0.3s;
}
.close-modal:hover { color: var(--orange-primary); }