:root {
    --primary: #00d2ff;
    --secondary: #3a7bd5;
    --accent: #f43f5e;
    --bg: #0b0f19;
}

body {
    margin: 0; font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at center, #1e293b 0%, #0b0f19 100%);
    height: 100vh; display: flex; align-items: center; justify-content: center; color: white;
}

.login-card {
    background: rgba(255, 255, 255, 0.03); backdrop-filter: blur(20px);
    padding: 3rem; border-radius: 30px; border: 1px solid rgba(255,255,255,0.1);
    width: 100%; max-width: 420px; text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.logo { width: 80px; margin-bottom: 1.5rem; }
h1 { font-weight: 800; letter-spacing: -1px; margin-bottom: 0px; }
.tagline { color: var(--primary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 2rem; }

input {
    width: 100%; padding: 15px; background: rgba(0,0,0,0.3); border: 1px solid #334155;
    border-radius: 12px; color: white; margin-bottom: 1rem; box-sizing: border-box;
}

/* Checkbox Custom Styling */
.consent-wrapper { text-align: left; margin-bottom: 1.5rem; }
.checkbox-container { display: block; position: relative; padding-left: 35px; cursor: pointer; font-size: 0.85rem; color: #94a3b8; line-height: 1.4; }
.checkbox-container input { position: absolute; opacity: 0; cursor: pointer; height: 0; width: 0; }
.checkmark { position: absolute; top: 0; left: 0; height: 20px; width: 20px; background-color: #334155; border-radius: 6px; }
.checkbox-container:hover input ~ .checkmark { background-color: #475569; }
.checkbox-container input:checked ~ .checkmark { background-color: var(--primary); }
.checkmark:after { content: ""; position: absolute; display: none; left: 7px; top: 3px; width: 5px; height: 10px; border: solid white; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.checkbox-container input:checked ~ .checkmark:after { display: block; }

.btn-continue {
    width: 100%; padding: 16px; border: none; border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white; font-weight: 700; cursor: pointer; transition: 0.3s;
}

/* Info Panel */
.info-panel { background: rgba(0,210,255,0.05); padding: 15px; border-radius: 12px; font-size: 0.8rem; color: #94a3b8; text-align: left; margin-top: 2rem; border-left: 2px solid var(--primary); }
.info-panel a { color: var(--primary); text-decoration: none; }

/* Popup Styling */
.overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); display: none; align-items: center; justify-content: center; z-index: 1000; }
.overlay.active { display: flex; }
.popup { background: #1e293b; padding: 2rem; border-radius: 20px; text-align: center; max-width: 300px; border: 1px solid var(--accent); }
.popup h3 { color: var(--accent); margin-top: 0; }
.popup button { background: var(--accent); color: white; border: none; padding: 10px 20px; border-radius: 8px; cursor: pointer; margin-top: 15px; }