:root {
    /* Color Palette */
    --bg-primary: #000000;
    --bg-secondary: #0A0A0A;
    --accent: #FF4400; /* SiM Orange */
    --accent-hover: #FF6622;
    --text-primary: #FFFFFF;
    --text-secondary: #AAAAAA;
    --tab-bg: #1A1A1A;
    --tab-border: #333333;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.drop-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    max-width: 600px;
    animation: fadeIn 1s ease-out forwards;
}

.main-logo {
    width: 100%;
    max-width: 450px;
    height: auto;
    margin-bottom: 2.5rem;
}

.tagline {
    font-size: clamp(1rem, 4vw, 1.4rem);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--text-primary);
    margin-bottom: 4rem;
    opacity: 0.9;
}

.actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

/* Rainbow Button - The Hero */
.btn-rainbow {
    display: block;
    width: 100%;
    max-width: 320px;
    padding: 1.25rem 2rem;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: white;
    background: linear-gradient(-45deg, #FF0000, #FF7F00, #FFFF00, #00FF00, #0000FF, #4B0082, #9400D3);
    background-size: 400% 400%;
    animation: rainbow 6s ease infinite;
    border: none;
    border-radius: 100px; /* Perfect Capsule */
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.btn-rainbow:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(0,0,0,0.6), 0 0 15px rgba(255,255,255,0.1);
}

/* Plugin Tab Style Buttons */
.login-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    width: 100%;
    max-width: 400px;
    margin-top: 1rem;
}

.btn-tab {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.9rem 1.5rem;
    background-color: var(--tab-bg);
    border: 1px solid var(--tab-border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 100px; /* Perfect Capsule */
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-tab:hover {
    background-color: #222;
    border-color: var(--accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 68, 0, 0.15);
}

.scroll-hint {
    margin-top: 5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 5px;
    color: var(--text-secondary);
    opacity: 0.5;
}

/* Responsive Overrides */
@media (max-width: 480px) {
    body { padding: 1.5rem; }
    .main-logo { max-width: 320px; }
    .tagline { margin-bottom: 3rem; letter-spacing: 0.2em; }
    .login-grid { grid-template-columns: 1fr; } /* Stack buttons on very small screens */
    .btn-rainbow { font-size: 0.9rem; padding: 1rem 1.5rem; }
}