:root {
    --primary-color: #4f46e5;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 500px;
    text-align: center;
}

h2 {
    color: #1e293b;
    margin-bottom: 0.5rem;
}

#current-date {
    color: #64748b;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Thanh tiến trình */
.progress-container {
    background: #e2e8f0;
    border-radius: 50px;
    height: 30px;
    width: 100%;
    overflow: hidden;
    margin-bottom: 1rem;
    position: relative;
}

.progress-bar {
    height: 100%;
    width: 0%;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1), background 1s;
    background: #10b981; /* Mặc định màu xanh (đầu năm) */
}

#percentage-text {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-top: 10px;
}

.stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
    border-top: 1px solid #f1f5f9;
    padding-top: 20px;
}

.stat-item span {
    display: block;
    font-size: 0.8rem;
    color: #94a3b8;
    text-transform: uppercase;
}

.stat-item strong {
    font-size: 1.2rem;
    color: #334155;
}

.events-container {
    margin-top: 20px;
    border-top: 1px dashed #e2e8f0;
}

.event-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #f8fafc;
    font-size: 0.9rem;
}

.event-name {
    color: #334155;
    font-weight: 500;
}

.event-countdown {
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 12px;
    color: #4f46e5;
    font-size: 0.8rem;
    font-weight: bold;
}

.today-section {
    margin-top: 20px;
    padding: 15px;
    background: #fdfdfd;
    border-radius: 15px;
    border: 1px solid #f1f5f9;
}

.today-bar {
    height: 12px !important; /* Thanh của ngày nhỏ hơn thanh của năm */
    margin-bottom: 10px !important;
}

.countdown-timer {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.5rem;
    font-weight: bold;
    color: #1e293b;
    letter-spacing: 2px;
}