:root {
    --bg-color: #0f172a; /* Dark Navy */
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-primary: #10b981; /* Emerald Green */
    --accent-hover: #059669;
    --accent-secondary: #3b82f6; /* Blue for secondary */
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(16, 185, 129, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.landing-container {
    width: 100%;
    max-width: 500px;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.header {
    text-align: center;
}

.header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header p {
    color: var(--text-muted);
    font-size: 15px;
}

.app-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.option-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border);
    padding: 20px;
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.option-btn:hover {
    transform: translateY(-2px);
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.primary-option:hover .icon-container {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-primary);
}

.secondary-option:hover .icon-container {
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-secondary);
}

.icon-container {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.icon-container svg {
    width: 24px;
    height: 24px;
}

.option-text {
    flex: 1;
}

.option-text h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.option-text span {
    font-size: 13px;
    color: var(--text-muted);
    display: block;
}

.arrow {
    color: var(--text-muted);
    opacity: 0.5;
    transition: all 0.3s ease;
}

.arrow svg {
    width: 20px;
    height: 20px;
}

.option-btn:hover .arrow {
    opacity: 1;
    transform: translateX(4px);
    color: var(--text-main);
}