/* =========================================
       💎 SIGN UP v3.0 (Cinema Style - Massive)
       =========================================
    */
    #SmmPanelUS-Signup-Massive {
        /* Theme Variables */
        --S-Bg: #F8FAFC;
        --S-Card-Bg: #FFFFFF;
        --S-Text-Main: #1A202C; /* Light Main */
        --S-Text-Muted: #64748B; /* Light Muted (Fixed) */
        --S-Primary: #4B75EE;
        --S-Border: #E2E8F0;
        --S-Input: #F1F5F9;
        --S-Shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.15);
        --S-Sidebar-Grad: linear-gradient(135deg, #4B75EE 0%, #3b5bdb 100%);
        
        width: 100%; min-height: 90vh;
        display: flex; align-items: center; justify-content: center;
        font-family: 'Inter', sans-serif; position: relative;
        padding: 40px 20px;
    }

    /* DARK MODE */
    body.dark #SmmPanelUS-Signup-Massive, .theme-dark-active #SmmPanelUS-Signup-Massive {
        --S-Bg: #050505;
        --S-Card-Bg: #0F1116;
        --S-Text-Main: #FFFFFF; /* Dark Main */
        --S-Text-Muted: #A0AEC0; /* Dark Muted (Fixed: #a0aec0) */
        --S-Primary: #4B75EE;
        --S-Border: #1E293B;
        --S-Input: #0A0C10;
        --S-Shadow: 0 50px 100px -20px rgba(0, 0, 0, 0.7);
        --S-Sidebar-Grad: linear-gradient(135deg, #1A1D3A 0%, #0F1125 100%);
    }

    #SmmPanelUS-Signup-Massive * { box-sizing: border-box; }
    
    /* Glow */
    #SmmPanelUS-Signup-Massive .massive-glow {
        position: absolute; top: 20%; right: 20%;
        width: 60%; height: 60%; background: radial-gradient(circle, rgba(75,117,238,0.12) 0%, transparent 60%);
        filter: blur(100px); z-index: 0; pointer-events: none;
    }

    #SmmPanelUS-Signup-Massive .smm-iso-container { width: 100%; max-width: 1400px; position: relative; z-index: 2; }

    /* --- CARD --- */
    #SmmPanelUS-Signup-Massive .cinema-card {
        display: flex; width: 100%; min-height: 700px;
        background: var(--S-Card-Bg); 
        border-radius: 30px; 
        box-shadow: var(--S-Shadow);
        border: 1px solid var(--S-Border);
        overflow: hidden;
    }

    /* LEFT: BRAND SIDE */
    #SmmPanelUS-Signup-Massive .cc-left-brand {
        width: 450px; background: var(--S-Sidebar-Grad); color: #fff;
        padding: 60px 40px; position: relative; display: flex; flex-direction: column; justify-content: center;
        overflow: hidden; flex-shrink: 0;
    }
    
    #SmmPanelUS-Signup-Massive .brand-badge {
        display: inline-flex; align-items: center; gap: 8px;
        background: rgba(255,255,255,0.15); padding: 6px 14px; border-radius: 50px;
        font-size: 0.9rem; font-weight: 700; margin-bottom: 20px; backdrop-filter: blur(5px);
        border: 1px solid rgba(255,255,255,0.1);
    }
    #SmmPanelUS-Signup-Massive h2 { font-size: 2.8rem; font-weight: 900; line-height: 1.1; margin: 0 0 15px 0; color: white;}
    #SmmPanelUS-Signup-Massive .text-glow { text-shadow: 0 0 30px rgba(255,255,255,0.4); }
    #SmmPanelUS-Signup-Massive p { opacity: 0.9; font-size: 1.2rem; line-height: 1.6; margin-bottom: 40px; }

    #SmmPanelUS-Signup-Massive .bc-features { list-style: none; padding: 0; margin: 0 0 50px 0; }
    #SmmPanelUS-Signup-Massive .bc-features li { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; }
    #SmmPanelUS-Signup-Massive .f-icon { 
        width: 36px; height: 36px; background: rgba(255,255,255,0.1); border-radius: 50%;
        display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
    }
    #SmmPanelUS-Signup-Massive .bc-features span { font-weight: 500; font-size: 1rem; }

    #SmmPanelUS-Signup-Massive .bc-footer { 
        margin-top: auto; display: flex; align-items: center; gap: 15px; 
        background: rgba(0,0,0,0.2); padding: 15px; border-radius: 16px; backdrop-filter: blur(5px);
    }
    #SmmPanelUS-Signup-Massive .avatars-stack { display: flex; }
    #SmmPanelUS-Signup-Massive .avatars-stack span {
        width: 32px; height: 32px; background: #fff; color: var(--S-Primary); border-radius: 50%;
        display: flex; align-items: center; justify-content: center; font-size: 0.8rem;
        margin-left: -10px; border: 2px solid rgba(255,255,255,0.2);
    }
    #SmmPanelUS-Signup-Massive .avatars-stack span:first-child { margin-left: 0; }
    #SmmPanelUS-Signup-Massive .bc-stat-text { font-size: 0.9rem; line-height: 1.2; }

    /* Orbits */
    #SmmPanelUS-Signup-Massive .orbit { position: absolute; border: 1px dashed rgba(255,255,255,0.1); border-radius: 50%; z-index: 1; }
    #SmmPanelUS-Signup-Massive .o1 { width: 400px; height: 400px; top: -100px; right: -100px; opacity: 0.5; }
    #SmmPanelUS-Signup-Massive .o2 { width: 250px; height: 250px; bottom: -50px; left: -50px; opacity: 0.3; }

    /* --- RIGHT: FORM SIDE --- */
    #SmmPanelUS-Signup-Massive .cc-right-form {
        flex: 1; padding: 60px; display: flex; flex-direction: column; justify-content: center;
    }

    #SmmPanelUS-Signup-Massive .form-header { margin-bottom: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
    #SmmPanelUS-Signup-Massive .form-header h3 { font-size: 2.2rem; font-weight: 800; color: var(--S-Text-Main); margin: 0; }
    #SmmPanelUS-Signup-Massive .form-header p { font-size: 1rem; color: var(--S-Text-Muted); margin: 0; }
    #SmmPanelUS-Signup-Massive .form-header a { color: var(--S-Primary); font-weight: 700; text-decoration: none; }

    /* Grid for Inputs */
    #SmmPanelUS-Signup-Massive .form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    #SmmPanelUS-Signup-Massive .full-width { grid-column: span 2; }

    #SmmPanelUS-Signup-Massive .mass-input-group { margin-bottom: 5px; }
    #SmmPanelUS-Signup-Massive label { display: block; font-size: 0.95rem; font-weight: 700; color: var(--S-Text-Main); margin-bottom: 8px; }
    
    #SmmPanelUS-Signup-Massive .mi-wrap { position: relative; }
    #SmmPanelUS-Signup-Massive .mi-wrap input {
        width: 100%; height: 55px; padding: 0 20px 0 45px; border-radius: 12px;
        background: var(--S-Input); border: 1px solid var(--S-Border);
        color: var(--S-Text-Main); font-size: 1.1rem; transition: 0.2s;
    }
    #SmmPanelUS-Signup-Massive .mi-wrap input:focus { border-color: var(--S-Primary); box-shadow: 0 0 0 4px rgba(75,117,238,0.15); background: var(--S-Card-Bg); }
    #SmmPanelUS-Signup-Massive .mi-wrap i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--S-Text-Muted); font-size: 1.2rem; }

    /* Checkbox */
    #SmmPanelUS-Signup-Massive .mass-check { margin: 25px 0; }
    #SmmPanelUS-Signup-Massive .mass-check label { display: flex; align-items: flex-start; gap: 12px; cursor: pointer; }
    #SmmPanelUS-Signup-Massive .mass-check input { display: none; }
    #SmmPanelUS-Signup-Massive .mc-box { 
        width: 22px; height: 22px; min-width: 22px; border: 2px solid var(--S-Border); 
        border-radius: 6px; display: inline-block; transition: 0.2s; margin-top: 2px;
    }
    #SmmPanelUS-Signup-Massive .mass-check input:checked + .mc-box { background: var(--S-Primary); border-color: var(--S-Primary); }
    #SmmPanelUS-Signup-Massive .mc-text { color: var(--S-Text-Muted); font-size: 1rem; line-height: 1.4; }
    #SmmPanelUS-Signup-Massive .mc-text a { color: var(--S-Primary); font-weight: 600; text-decoration: none; }

    /* Button */
    #SmmPanelUS-Signup-Massive .btn-mass-primary {
        width: 100%; height: 60px; background: var(--S-Primary); color: #fff; 
        border: none; border-radius: 14px; font-size: 1.2rem; font-weight: 700; 
        cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px;
        transition: 0.2s; box-shadow: 0 10px 30px rgba(75,117,238,0.3);
    }
    #SmmPanelUS-Signup-Massive .btn-mass-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 40px rgba(75,117,238,0.4); }

    /* Alerts */
    #SmmPanelUS-Signup-Massive .mass-alert { padding: 15px; border-radius: 12px; font-size: 1rem; margin-bottom: 25px; display: flex; align-items: center; gap: 10px; }
    #SmmPanelUS-Signup-Massive .mass-alert.error { background: rgba(239,68,68,0.1); color: #EF4444; border: 1px solid rgba(239,68,68,0.2); }
    #SmmPanelUS-Signup-Massive .mass-alert.success { background: rgba(16,185,129,0.1); color: #10B981; border: 1px solid rgba(16,185,129,0.2); }

    /* Google Divider */
    #SmmPanelUS-Signup-Massive .mass-divider { text-align: center; margin: 30px 0; position: relative; }
    #SmmPanelUS-Signup-Massive .mass-divider:before { content: ''; position: absolute; top: 50%; left: 0; width: 100%; height: 1px; background: var(--S-Border); }
    #SmmPanelUS-Signup-Massive .mass-divider span { background: var(--S-Card-Bg); padding: 0 15px; position: relative; font-size: 0.9rem; color: var(--S-Text-Muted); font-weight: 700; }

    @media (max-width: 991px) {
        #SmmPanelUS-Signup-Massive .cinema-card { flex-direction: column; min-height: auto; }
        #SmmPanelUS-Signup-Massive .cc-left-brand { width: 100%; padding: 40px 30px; }
        #SmmPanelUS-Signup-Massive .cc-right-form { padding: 40px 20px; }
        #SmmPanelUS-Signup-Massive .form-grid-2 { grid-template-columns: 1fr; }
        #SmmPanelUS-Signup-Massive .full-width { grid-column: span 1; }
        #SmmPanelUS-Signup-Massive h2 { font-size: 2.2rem; }
    }