/* Responsive Admin Layout */
body {
    font-family: 'Segoe UI', sans-serif;
    background:#0b0c10;
    color:#c5c6c7;
    font-size: 15px;
    margin: 0;
    padding: 0;
}

/* ==================== Centered Admin Login ==================== */
.login-container {
    display: flex;
    justify-content: center; /* horizontal centering */
    align-items: center;     /* vertical centering */
    height: 100vh;           /* full viewport height */
    background: #0b0c10;     /* match admin background */
    margin: 0;
    padding: 0;
}

.login-box {
    background: #1f2833;
    padding: 25px 30px;
    border-radius: 8px;
    color: #c5c6c7;
    width: 320px;
    box-shadow: 0 0 15px rgba(77, 166, 255, 0.3);
}

.login-box input,
.login-box button {
    width: 100%;
    margin: 6px 0;
    padding: 8px;
    font-size: 14px;
    border-radius: 5px;
    border: none;
}

.login-box button {
    background: #45a29e;
    color: #0b0c10;
    cursor: pointer;
    transition: 0.2s;
}

.login-box button:hover {
    background: #66fcf1;
}

.sidebar {
    width: 200px;
    float: left;
    padding: 10px;
    background: #1f2833;
    border-radius: 6px;
    font-size: 14px;
}

.calendar {
    margin-left: 210px;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.day {
    border: 1px solid #45a29e;
    border-radius: 4px;
    padding: 4px;
    min-height: 65px;
    position: relative;
    background: #1f2833;
}

.date-num {
    font-weight: bold;
    font-size: 13px;
    margin-bottom: 2px;
}

.shift {
    background: #45a29e;
    padding: 2px 4px;
    margin: 2px 0;
    border-radius: 4px;
    cursor: pointer;
    color: #0b0c10;
    font-size: 13px;
}

.shift-afternoon {
    background: #66fcf1;
}

.droppable-hover {
    outline: 2px dashed #66fcf1;
}

.shift-unsaved {
    outline: 1px solid #f1c40f;
}

.login-box {
    background: #1f2833;
    padding: 18px;
    border-radius: 6px;
    color: #c5c6c7;
    width: 280px;
}

input, button {
    width: 100%;
    margin: 4px 0;
    padding: 6px;
    font-size: 14px;
}

.btn {
    font-size: 14px;
    padding: 5px 7px;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .sidebar {
        width: 180px;
        font-size: 13px;
    }
    .calendar {
        margin-left: 190px;
        gap: 3px;
    }
    .day {
        min-height: 60px;
    }
}

@media (max-width: 992px) {
    .sidebar {
        width: 160px;
        font-size: 12px;
    }
    .calendar {
        margin-left: 170px;
        gap: 2px;
    }
    .day {
        min-height: 55px;
    }
    .shift {
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 140px;
        font-size: 12px;
        float: none;
        margin-bottom: 10px;
    }
    .calendar {
        margin-left: 0;
        grid-template-columns: repeat(2, 1fr);
        gap: 2px;
    }
}

@media (max-width: 480px) {
    .calendar {
        grid-template-columns: 1fr;
    }
}