* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;

    font-family:
        Arial,
        Helvetica,
        sans-serif;
}

body {
    background: #071426;
}


/* =========================
   LOGIN
========================= */

.login-page {

    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 25px;

    background:
        radial-gradient(
            circle at top,
            #14355c 0%,
            #071426 50%,
            #040b14 100%
        );

    color: #ffffff;
}


.login-card {

    width: 100%;
    max-width: 430px;

    padding: 45px;

    background: #101c2e;

    border:
        1px solid #243952;

    border-radius: 18px;

    box-shadow:
        0 25px 70px
        rgba(0,0,0,.5);
}


.brand {

    color: #16b8f3;

    font-size: 18px;
    font-weight: bold;

    letter-spacing: 4px;

    margin-bottom: 30px;
}


.login-card h1 {

    margin: 0;

    font-size: 30px;
}


.login-card h2 {

    margin:
        8px 0
        35px;

    color: #8fa8c1;

    font-size: 17px;
    font-weight: normal;
}


.form-group {
    margin-bottom: 20px;
}


.form-group label {

    display: block;

    margin-bottom: 8px;

    color: #a9bdd2;
}


.form-group input {

    width: 100%;

    padding: 14px;

    color: #ffffff;

    background: #0a1524;

    border:
        1px solid #314862;

    border-radius: 9px;

    font-size: 15px;

    outline: none;
}


.form-group input:focus {
    border-color: #16b8f3;
}


.btn-primary {

    width: 100%;

    padding: 14px;

    margin-top: 10px;

    border: none;
    border-radius: 9px;

    background: #0da9e8;

    color: #ffffff;

    font-weight: bold;

    cursor: pointer;
}


.btn-primary:hover {
    background: #0798d2;
}


.alert-error {

    margin-bottom: 22px;

    padding: 12px;

    border-radius: 8px;

    background:
        rgba(239,68,68,.15);

    color: #fca5a5;
}


.login-footer {

    margin-top: 30px;

    padding-top: 25px;

    border-top:
        1px solid #243952;

    color: #6f8aa5;

    text-align: center;

    line-height: 1.8;

    font-size: 13px;
}



/* =========================
   DASHBOARD
========================= */

.dashboard-page {

    min-height: 100vh;

    background: #eef3f8;

    color: #172033;
}


.sidebar {

    position: fixed;

    top: 0;
    left: 0;

    width: 250px;
    height: 100vh;

    padding: 25px 18px;

    background: #0a1728;

    color: #ffffff;
}


.sidebar-brand {

    padding:
        10px 10px
        30px;

    border-bottom:
        1px solid #203550;
}


.sidebar-brand span {

    display: block;

    color: #18b9f2;

    font-size: 13px;

    letter-spacing: 3px;

    margin-bottom: 8px;
}


.sidebar-brand strong {
    font-size: 20px;
}


.sidebar nav {
    margin-top: 25px;
}


.nav-title {

    margin:
        25px 10px
        8px;

    color: #58728c;

    font-size: 11px;

    letter-spacing: 1px;
}


.nav-item {

    display: block;

    padding: 11px;

    margin-bottom: 4px;

    border-radius: 8px;

    color: #aabfd3;

    text-decoration: none;
}


.nav-item.active {

    background: #123456;

    color: #ffffff;
}


.nav-item.disabled {
    opacity: .45;
}


.logout-form {

    position: absolute;

    left: 18px;
    right: 18px;
    bottom: 25px;
}


.logout-form button {

    width: 100%;

    padding: 11px;

    background: transparent;

    color: #e1edf8;

    border:
        1px solid #30475f;

    border-radius: 8px;

    cursor: pointer;
}


.dashboard-main {

    margin-left: 250px;

    min-height: 100vh;

    padding:
        35px 40px;
}


.topbar {

    display: flex;

    align-items: center;
    justify-content: space-between;

    margin-bottom: 35px;
}


.topbar h1 {

    margin: 0;

    color: #122033;

    font-size: 30px;
}


.topbar p {

    margin: 6px 0 0;

    color: #7790a8;
}


.admin-info {

    display: flex;

    flex-direction: column;

    text-align: right;
}


.admin-info span {

    margin-top: 4px;

    color: #7590a7;

    font-size: 13px;
}


.cards {

    display: grid;

    grid-template-columns:
        repeat(
            4,
            minmax(0,1fr)
        );

    gap: 20px;

    margin-bottom: 30px;
}


.stat-card {

    min-height: 135px;

    padding: 25px;

    background: #ffffff;

    border-radius: 13px;

    box-shadow:
        0 4px 20px
        rgba(22,39,62,.08);
}


.stat-card span {

    display: block;

    color: #7f96ab;

    font-size: 12px;

    margin-bottom: 17px;
}


.stat-card strong {

    color: #17273d;

    font-size: 19px;
}


.panel-box {

    padding: 30px;

    background: #ffffff;

    border-radius: 13px;

    box-shadow:
        0 4px 20px
        rgba(22,39,62,.08);
}


.panel-box h2 {

    margin:
        0 0
        25px;

    font-size: 20px;
}


.info-row {

    display: flex;

    justify-content: space-between;

    padding: 15px 0;

    border-bottom:
        1px solid #edf1f5;
}


.info-row span {
    color: #768da4;
}


.status-online {
    color: #16a34a;
}


@media (max-width: 1000px) {

    .cards {
        grid-template-columns:
            repeat(2,1fr);
    }
}


@media (max-width: 700px) {

    .sidebar {
        display: none;
    }

    .dashboard-main {
        margin-left: 0;
        padding: 25px;
    }

    .cards {
        grid-template-columns: 1fr;
    }
}


.status-offline {
    color: #dc2626 !important;
}