:root {
    --background-color: #121212;
    --surface-color: #1e1e1e;
    --primary-text-color: #e0e0e0;
    --secondary-text-color: #a0a0a0;
    --accent-color-1: #00c6ff;
    --accent-color-2: #0072ff;
    --ring-bg-color: #333;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--primary-text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
}

.container {
    background-color: var(--surface-color);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid #2a2a2a;
    width: 90%;
    max-width: 500px;
}

.header h1 {
    margin: 0;
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    letter-spacing: 2px;
}

.header p {
    margin: 5px 0 30px;
    font-size: 1.2rem;
    color: var(--secondary-text-color);
}

.progress-container {
    position: relative;
    margin-bottom: 30px;
    display: inline-block;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring__background {
    stroke: var(--ring-bg-color);
}

.progress-ring__bar {
    stroke: url(#progress-gradient);
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease-out;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.progress-text h2 {
    margin: 0;
    font-size: 3.5rem;
    font-family: 'Orbitron', sans-serif;
}

.progress-text p {
    margin: 0;
    font-size: 1rem;
    color: var(--secondary-text-color);
}

.footer {
    display: flex;
    justify-content: space-around;
    border-top: 1px solid #2a2a2a;
    padding-top: 20px;
}

.info-box h3 {
    margin: 0 0 5px;
    font-size: 1rem;
    color: var(--secondary-text-color);
}

.info-box p {
    margin: 0;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Gradient for the progress bar */
.hidden-defs {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
    visibility: hidden;
}

/* --- Life Progress Section --- */
.life-progress-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #2a2a2a;
}

.life-progress-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.birthday-input-container {
    margin-bottom: 20px;
}

.birthday-input-container label {
    margin-right: 10px;
    color: var(--secondary-text-color);
}

input[type="date"] {
    background-color: #333;
    color: var(--primary-text-color);
    border: 1px solid #444;
    border-radius: 5px;
    padding: 8px;
    font-family: 'Inter', sans-serif;
}

.life-grid-container {
    overflow-x: auto; /* Allow horizontal scrolling on small screens */
}

#life-grid {
    display: grid;
    grid-template-columns: repeat(52, 1fr);
    gap: 3px;
    width: 100%;
    margin: 0 auto;
}

.week-box {
    width: 100%;
    padding-bottom: 100%; /* Creates a square aspect ratio */
    background-color: #333;
    border-radius: 2px;
    transition: background-color 0.3s ease;
}

.week-box.past {
    background-color: var(--accent-color-1);
    background-image: linear-gradient(45deg, var(--accent-color-1), var(--accent-color-2));
}

.week-box:hover {
    background-color: #555;
}