/* ------------------------------
   Global Reset
------------------------------ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #fafafa;
    color: #333;
}

/* ------------------------------
   Header + Main Navigation
------------------------------ */

header {
    background: #333;
    color: #fff;
    padding: 15px 20px;
}

header h1 {
    margin-bottom: 10px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 15px;
}

.main-nav a {
    color: #fff;
    text-decoration: none;
}

.main-nav a:hover {
    text-decoration: underline;
}

/* ------------------------------
   Main Container
------------------------------ */

.container {
    width: 100%;
    padding: 0;
    margin: 0;
}

/* ------------------------------
   Admin Layout (critical section)
------------------------------ */

.admin-wrapper {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start;
    width: 100%;
    min-height: calc(100vh - 120px); /* header + footer space */
}

/* Sidebar */
.admin-sidebar {
    width: 240px;
    background: #f4f4f4;
    border-right: 1px solid #ccc;
    padding: 20px;
    min-height: 100%;
}

.admin-sidebar h3 {
    margin-bottom: 10px;
}

.admin-sidebar ul {
    list-style: none;
    margin-bottom: 15px;
}

.admin-sidebar li {
    margin-bottom: 6px;
}

.admin-sidebar a {
    text-decoration: none;
    color: #333;
}

.admin-sidebar a:hover {
    text-decoration: underline;
}

/* Content area */
.admin-content {
    flex: 1;
    padding: 25px;
    background: #fff;
    min-height: 100%;
}

/* ------------------------------
   Tables
------------------------------ */

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.table th,
.table td {
    border: 1px solid #ccc;
    padding: 8px;
}

.table th {
    background: #eee;
}

/* ------------------------------
   Buttons
------------------------------ */

.btn,
.btn-small {
    display: inline-block;
    padding: 6px 12px;
    background: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 5px;
}

.btn:hover,
.btn-small:hover {
    background: #0056b3;
}

.btn-small {
    padding: 4px 8px;
    font-size: 0.85em;
}

.btn-warning {
    background: #e6a100;
}

.btn-warning:hover {
    background: #b57f00;
}

.btn-danger {
    background: #d9534f;
}

.btn-danger:hover {
    background: #b52b27;
}

.btn-success {
    background: #28a745;
}

.btn-success:hover {
    background: #1e7e34;
}

.btn-info {
    background: #17a2b8;
}

.btn-info:hover {
    background: #11707f;
}

.btn.disabled {
    background: #aaa;
    pointer-events: none;
}

/* ------------------------------
   Status Colors
------------------------------ */

.inactive {
    opacity: 0.5;
}

.row-online {
    background: #e6ffe6;
}

.row-offline {
    background: #ffe6e6;
}

/* ------------------------------
   Dashboard Cards
------------------------------ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.dash-card {
    background: #ffffff;
    border: 1px solid #ccc;
    padding: 18px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.dash-card h2 {
    margin-top: 0;
}

/* ------------------------------
   Footer
------------------------------ */

footer {
    margin-top: 40px;
    padding: 15px;
    background: #333;
    color: #fff;
}

.container {
    display: block;
    width: 100%;
}

.container .admin-wrapper {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start;
}

.admin-wrapper {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    width: 100% !important;
}

.admin-sidebar {
    width: 240px !important;
    background: #f4f4f4;
    border-right: 1px solid #ccc;
    padding: 20px;
    min-height: 100vh;
}

.admin-content {
    flex: 1 !important;
    padding: 25px;
    background: #fff;
}


/* Mobile-first adjustments */
@media (max-width: 900px) {

    .admin-wrapper {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid #ccc;
    }

    .admin-content {
        width: 100%;
        padding: 15px;
    }

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

    .table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 8px;
    }
}

/* Very small screens */
@media (max-width: 500px) {

    header h1 {
        font-size: 1.4rem;
    }

    .btn,
    .btn-small {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .admin-sidebar h3 {
        font-size: 1.1rem;
    }

    .admin-sidebar li {
        margin-bottom: 4px;
    }
}

/* Hamburger button */
.hamburger {
    display: none;
    font-size: 26px;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    margin-left: 10px;
}

/* Mobile layout */
@media (max-width: 900px) {

    .hamburger {
        display: inline-block;
    }

    .admin-wrapper {
        position: relative;
    }

    .admin-sidebar {
        position: fixed;
        top: 70px; /* height of header */
        left: -260px;
        width: 240px;
        height: calc(100vh - 70px);
        background: #f4f4f4;
        border-right: 1px solid #ccc;
        padding: 20px;
        overflow-y: auto;
        transition: left 0.3s ease;
        z-index: 1000;
    }

    body.sidebar-open .admin-sidebar {
        left: 0;
    }

    .admin-content {
        width: 100%;
        padding: 20px;
    }
}

/* Optional dim overlay when sidebar is open */
@media (max-width: 900px) {
    body.sidebar-open::after {
        content: "";
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0,0,0,0.4);
        z-index: 500;
    }
}