.nvvn-countdown-wrap {
    text-align: center;
    margin: 25px auto;
    max-width: 600px;
    padding: 0 15px;
    box-sizing: border-box;
}

.nvvn-countdown-title {
    font-size: 20px;
    font-weight: 500;
    color: #4a4a4a;
    margin-bottom: 24px;
    text-align: center;
    line-height: 1.4;
}

.nvvn-countdown-boxes {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 30px;
    flex-wrap: nowrap; /* Giữ các ô thẳng hàng trên desktop */
}

.nvvn-countdown-box {
    background: var(--nvvn-bg-color, #ffffff);
    border: 1.5px solid var(--nvvn-border-color, rgba(217, 125, 100, 0.3));
    border-radius: 16px;
    padding: 15px 5px;
    flex: 1;
    min-width: 80px;
    max-width: 110px;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-sizing: border-box;
}

.nvvn-countdown-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.nvvn-countdown-box .num {
    font-size: 40px;
    font-weight: 700;
    color: var(--nvvn-main-color, #d97d64);
    line-height: 1;
    margin-bottom: 8px;
    display: block;
}

.nvvn-countdown-box .count-label {
    font-size: 12px;
    font-weight: 600;
    color: #7a7a7a;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    display: block;
}

/* Nút Lưu sự kiện */
.nvvn-save-date-wrap {
    display: flex;
    justify-content: center;
    position: relative;
    margin-top: 20px;
}

.nvvn-save-date-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1.5px solid var(--nvvn-main-color, #d97d64);
    color: var(--nvvn-main-color, #d97d64);
    padding: 12px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    user-select: none;
    outline: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
}

.nvvn-save-date-btn:hover {
    background: var(--nvvn-main-color, #d97d64);
    color: #ffffff;
    box-shadow: 0 6px 15px rgba(217, 125, 100, 0.25);
}

.nvvn-save-date-btn svg {
    margin-right: 8px;
    transition: transform 0.25s ease;
}

.nvvn-save-date-btn:hover svg {
    transform: scale(1.1);
}

/* Dropdown lưu lịch */
.nvvn-cal-dropdown {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) scale(0.95);
    background: #ffffff;
    border: 1px solid var(--nvvn-border-color, rgba(217, 125, 100, 0.3));
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    padding: 8px 0;
    min-width: 200px;
    z-index: 100;
    display: none;
    opacity: 0;
    transform-origin: bottom center;
    transition: transform 0.2s cubic-bezier(0.165, 0.84, 0.44, 1), opacity 0.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.nvvn-cal-dropdown.is-open {
    display: block;
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.nvvn-cal-dropdown-item {
    padding: 12px 20px;
    font-size: 14px;
    color: #4a4a4a;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: background 0.2s ease, color 0.2s ease;
}

.nvvn-cal-dropdown-item:hover {
    background: #fdf6f4;
    color: var(--nvvn-main-color, #d97d64);
}

.nvvn-cal-dropdown-item svg {
    margin-right: 12px;
    flex-shrink: 0;
}

/* Responsive */
@media (max-width: 550px) {
    .nvvn-countdown-boxes {
        gap: 8px;
    }
    
    .nvvn-countdown-box {
        min-width: 65px;
        height: 100px;
        border-radius: 12px;
        padding: 10px 2px;
    }
    
    .nvvn-countdown-box .num {
        font-size: 28px;
        margin-bottom: 4px;
    }
    
    .nvvn-countdown-box .count-label {
        font-size: 9px;
        letter-spacing: 0.5px;
    }
    
    .nvvn-countdown-title {
        font-size: 18px;
        margin-bottom: 20px;
    }
}