:root {
    --primary: #0062ff;
    --bg: #f8fafc;
}

body {
    background: #f0f2f5;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    margin: 0;
    min-height: 100vh;
}



.main-card {
    max-width: 650px;
    margin: 50px auto;
    background: #fff;
    border-radius: 30px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
}


.opt-btn {
    width: 100%;
    text-align: left;
    padding: 15px 25px;
    margin-bottom: 10px;
    border: 2px solid #f1f5f9;
    background: #fff;
    border-radius: 12px;
    font-weight: 600;
    transition: 0.3s;
    cursor: pointer;
}

.opt-btn:hover {
    border-color: var(--primary);
    background: #f0f7ff;
}

.opt-btn.active {
    background: var(--primary) !important;
    color: white !important;
}


.timer-ring {
    width: 70px;
    height: 70px;
    border: 5px solid #f1f5f9;
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--primary);
    font-size: 1.2rem;
}

/* hidden */
.hidden {
    display: none !important;
}

/* (Manage Page) */
.table-wrapper {
    background: #fff;
    padding: 20px;
    border-radius: 15px;
    margin-top: 30px;
}

.table-title {
    background: #435d7d;
    color: #fff;
    padding: 15px;
    border-radius: 10px 10px 0 0;
}

.material-icons {
    cursor: pointer;
    font-size: 22px;
}




.hidden {
    display: none !important;
}

body {
    background-color: #f0f2f5;
    font-family: 'Poppins', sans-serif;
}

.main-card {
    max-width: 600px;
    margin: 50px auto;
    background: white;
    border-radius: 20px;
    border: none;
}

.opt-btn {
    width: 100%;
    text-align: left;
    padding: 15px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: white;
    transition: 0.3s;
}

.opt-btn.active {
    background-color: #0d6efd;
    color: white;
    border-color: #0d6efd;
}