* {
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;

    --bg-color: #f3f4f6;
    --surface-color: #ffffff;
    --surface-hover: #f9fafb;

    --text-color: #111827;
    --muted-color: #6b7280;

    --border-color: #e5e7eb;

    --danger-color: #dc2626;

    --sidebar-width: 250px;
}

[data-theme="dark"] {
    --bg-color: #111827;
    --surface-color: #1f2937;
    --surface-hover: #273449;

    --text-color: #f9fafb;
    --muted-color: #9ca3af;

    --border-color: #374151;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    min-height: 100vh;

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

    background: var(--bg-color);
    color: var(--text-color);

    transition:
        background-color .2s ease,
        color .2s ease;
}

button,
input {
    font-family: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}


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

.auth-container {
    min-height: 100vh;

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

    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 420px;

    padding: 35px;

    background: var(--surface-color);

    border: 1px solid var(--border-color);
    border-radius: 18px;

    box-shadow:
        0 20px 50px rgba(0, 0, 0, .08);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo {
    display: flex;
    justify-content: center;
    align-items: center;

    margin-bottom: 18px;
}

.auth-logo img {
    display: block;

    max-width: 180px;
    max-height: 90px;

    object-fit: contain;
}

.auth-header h1 {
    margin: 0 0 8px;
}

.auth-header p {
    margin: 0;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;

    margin-bottom: 7px;

    font-size: 14px;
    font-weight: 600;
}

.form-group input {
    width: 100%;

    padding: 12px 14px;

    border: 1px solid var(--border-color);
    border-radius: 10px;

    background: var(--bg-color);
    color: var(--text-color);

    outline: none;

    font-size: 15px;
}

.form-group input:focus {
    border-color: var(--primary-color);

    box-shadow:
        0 0 0 3px rgba(37, 99, 235, .12);
}

.btn {
    display: inline-flex;

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

    gap: 8px;

    border: 0;
    border-radius: 10px;

    padding: 11px 18px;

    cursor: pointer;

    background: var(--primary-color);
    color: #ffffff;

    font-size: 14px;
    font-weight: 600;

    transition:
        background-color .2s ease,
        transform .1s ease;
}

.btn:hover {
    background: var(--primary-hover);
}

.btn:active {
    transform: scale(.98);
}

.btn-block {
    width: 100%;
}

.theme-button {
    width: 100%;

    margin-top: 15px;

    padding: 10px;

    border: 1px solid var(--border-color);
    border-radius: 10px;

    background: transparent;
    color: var(--text-color);

    cursor: pointer;
}

.theme-button:hover {
    background: var(--surface-hover);
}

.alert {
    padding: 12px 14px;

    margin-bottom: 20px;

    border-radius: 10px;

    font-size: 14px;
}

.alert-error {
    background: rgba(220, 38, 38, .10);
    color: #dc2626;

    border: 1px solid rgba(220, 38, 38, .20);
}


/* =========================================================
   ADMIN LAYOUT
   ========================================================= */

.admin-layout {
    min-height: 100vh;

    display: flex;
}


/* =========================================================
   SIDEBAR
   ========================================================= */

.sidebar {
    position: fixed;

    top: 0;
    left: 0;
    bottom: 0;

    width: var(--sidebar-width);

    display: flex;
    flex-direction: column;

    padding: 20px 14px;

    background: var(--surface-color);

    border-right: 1px solid var(--border-color);
}

.sidebar-brand {
    display: flex;
    align-items: center;

    gap: 10px;

    padding: 5px 10px 25px;

    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand img {
    width: 44px;
    height: 44px;

    object-fit: contain;
}

.sidebar-brand div {
    display: flex;
    flex-direction: column;

    min-width: 0;
}

.sidebar-brand strong {
    font-size: 15px;
}

.sidebar-brand span {
    margin-top: 3px;

    font-size: 11px;

    color: var(--muted-color);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;

    gap: 5px;

    padding-top: 20px;
}

.sidebar-link {
    width: 100%;

    display: flex;
    align-items: center;

    gap: 12px;

    padding: 11px 13px;

    border: 0;
    border-radius: 9px;

    background: transparent;

    color: var(--text-color);

    font-size: 14px;

    cursor: pointer;

    text-align: left;
}

.sidebar-link:hover {
    background: var(--surface-hover);
}

.sidebar-link.active {
    background: var(--primary-color);
    color: #ffffff;
}

.sidebar-button {
    font-family: inherit;
}

.sidebar-bottom {
    margin-top: auto;

    padding-top: 15px;

    border-top: 1px solid var(--border-color);
}

.sidebar-bottom form {
    margin: 5px 0 0;
}

.logout-button:hover {
    color: var(--danger-color);
}


/* =========================================================
   MAIN
   ========================================================= */

.admin-main {
    width: calc(100% - var(--sidebar-width));

    margin-left: var(--sidebar-width);

    min-height: 100vh;

    padding: 30px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    margin-bottom: 30px;
}

.admin-header h1 {
    margin: 0 0 5px;

    font-size: 28px;
}

.admin-header p {
    margin: 0;
}

.admin-user {
    display: flex;
    align-items: center;

    gap: 10px;
}

.admin-avatar {
    width: 42px;
    height: 42px;

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

    border-radius: 50%;

    background: var(--primary-color);
    color: #ffffff;

    font-weight: 700;
}

.admin-user-info {
    display: flex;
    flex-direction: column;
}

.admin-user-info strong {
    font-size: 14px;
}

.admin-user-info span {
    margin-top: 3px;

    color: var(--muted-color);

    font-size: 12px;
}


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

.dashboard-grid {
    display: grid;

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

    gap: 18px;

    margin-bottom: 25px;
}

.dashboard-card {
    display: flex;
    align-items: center;

    gap: 15px;

    padding: 20px;

    background: var(--surface-color);

    border: 1px solid var(--border-color);
    border-radius: 14px;
}

.dashboard-card-icon {
    width: 45px;
    height: 45px;

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

    border-radius: 11px;

    background: var(--bg-color);

    font-size: 21px;
}

.dashboard-card-label {
    display: block;

    margin-bottom: 5px;

    color: var(--muted-color);

    font-size: 13px;
}

.dashboard-card strong {
    display: block;

    font-size: 20px;
}


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

.dashboard-panel {
    background: var(--surface-color);

    border: 1px solid var(--border-color);
    border-radius: 14px;
}

.panel-header {
    padding: 22px;

    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    margin: 0 0 6px;

    font-size: 19px;
}

.panel-header p {
    margin: 0;
}

.panel-content {
    padding: 22px;
}

.panel-content p {
    margin: 0;

    color: var(--muted-color);

    line-height: 1.6;
}


/* =========================================================
   UTILITIES
   ========================================================= */

.container {
    width: 100%;
    max-width: 1100px;

    margin: 0 auto;

    padding: 20px;
}

.card {
    background: var(--surface-color);

    border: 1px solid var(--border-color);
    border-radius: 16px;

    padding: 24px;
}

.text-muted {
    color: var(--muted-color);
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 900px) {

    :root {
        --sidebar-width: 220px;
    }

    .dashboard-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

}

@media (max-width: 700px) {

    .sidebar {
        position: relative;

        width: 100%;
        min-height: auto;

        border-right: 0;
        border-bottom: 1px solid var(--border-color);
    }

    .admin-layout {
        display: block;
    }

    .admin-main {
        width: 100%;

        margin-left: 0;

        padding: 20px;
    }

    .sidebar-nav {
        display: grid;

        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .sidebar-bottom {
        margin-top: 15px;
    }

    .admin-header {
        align-items: flex-start;

        flex-direction: column;
    }

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

}

@media (max-width: 450px) {

    .auth-card {
        padding: 25px 20px;
    }

    .sidebar-nav {
        grid-template-columns: 1fr;
    }

    .admin-main {
        padding: 15px;
    }

}


/* =========================================================
   ADMIN LAYOUT
   ========================================================= */

.admin-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
}


/* =========================================================
   SIDEBAR
   ========================================================= */

.sidebar {
    width: 250px;
    min-width: 250px;

    display: flex;
    flex-direction: column;

    background: var(--surface-color);
    border-right: 1px solid var(--border-color);

    padding: 20px 14px;
}


/* LOGO */

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;

    padding: 8px 10px 22px;
}

.sidebar-brand img {
    width: 46px;
    height: 46px;

    object-fit: contain;

    border-radius: 10px;
}

.sidebar-brand div {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sidebar-brand strong {
    font-size: 16px;
}

.sidebar-brand span {
    margin-top: 3px;

    font-size: 12px;

    color: var(--muted-color);
}


/* MENU */

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.sidebar-link {
    width: 100%;

    display: flex;
    align-items: center;

    gap: 12px;

    padding: 11px 13px;

    border: 0;
    border-radius: 10px;

    background: transparent;

    color: var(--text-color);

    text-decoration: none;

    font-size: 14px;
    font-weight: 500;

    cursor: pointer;

    transition:
        background-color .2s ease,
        color .2s ease;
}

.sidebar-link span:first-child {
    width: 22px;

    text-align: center;

    font-size: 17px;
}

.sidebar-link:hover {
    background: var(--bg-color);
}

.sidebar-link.active {
    background: var(--primary-color);
    color: #ffffff;
}

.sidebar-button {
    font-family: inherit;
    text-align: left;
}

.sidebar-bottom {
    margin-top: auto;

    display: flex;
    flex-direction: column;

    gap: 5px;

    padding-top: 20px;
}

.sidebar-bottom form {
    margin: 0;
}

.logout-button {
    color: #dc2626;
}

.logout-button:hover {
    background: #fee2e2;
}


/* =========================================================
   ADMIN MAIN
   ========================================================= */

.admin-main {
    flex: 1;

    min-width: 0;

    padding: 30px;
}


/* =========================================================
   ADMIN HEADER
   ========================================================= */

.admin-header {
    display: flex;

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

    gap: 20px;

    margin-bottom: 28px;
}

.admin-header h1 {
    margin: 0 0 5px;

    font-size: 28px;
}

.admin-header p {
    margin: 0;
}


/* USUÁRIO */

.admin-user {
    display: flex;

    align-items: center;

    gap: 10px;
}

.admin-avatar {
    width: 42px;
    height: 42px;

    display: flex;

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

    border-radius: 50%;

    background: var(--primary-color);

    color: #ffffff;

    font-size: 17px;
    font-weight: 700;
}

.admin-user-info {
    display: flex;
    flex-direction: column;

    gap: 2px;
}

.admin-user-info strong {
    font-size: 14px;
}

.admin-user-info span {
    color: var(--muted-color);

    font-size: 12px;
}


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

.dashboard-grid {
    display: grid;

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

    gap: 18px;

    margin-bottom: 24px;
}

.dashboard-card {
    display: flex;

    align-items: center;

    gap: 15px;

    padding: 20px;

    background: var(--surface-color);

    border: 1px solid var(--border-color);

    border-radius: 14px;

    box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
}

.dashboard-card-icon {
    width: 48px;
    height: 48px;

    display: flex;

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

    flex-shrink: 0;

    border-radius: 12px;

    background: var(--bg-color);

    font-size: 22px;
}

.dashboard-card > div {
    display: flex;

    flex-direction: column;

    gap: 5px;
}

.dashboard-card-label {
    color: var(--muted-color);

    font-size: 13px;
}

.dashboard-card strong {
    font-size: 22px;
}


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

.dashboard-panel {
    background: var(--surface-color);

    border: 1px solid var(--border-color);

    border-radius: 14px;

    overflow: hidden;
}

.panel-header {
    padding: 22px;

    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    margin: 0 0 5px;

    font-size: 19px;
}

.panel-header p {
    margin: 0;
}

.panel-content {
    padding: 22px;
}

.panel-content p {
    margin: 0;

    line-height: 1.7;

    color: var(--muted-color);
}


/* =========================================================
   PÁGINAS ADMINISTRATIVAS
   ========================================================= */

.page-header {
    display: flex;

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

    gap: 20px;

    margin-bottom: 24px;
}

.page-header h1 {
    margin: 0 0 5px;

    font-size: 28px;
}

.page-header p {
    margin: 0;
}


/* =========================================================
   EMPTY STATE
   ========================================================= */

.empty-state {
    padding: 50px 20px;

    text-align: center;
}

.empty-state h2 {
    margin: 0 0 8px;

    font-size: 20px;
}

.empty-state p {
    margin: 0 0 22px;
}


/* =========================================================
   TABELAS
   ========================================================= */

.table-wrapper {
    width: 100%;

    overflow-x: auto;
}

table {
    width: 100%;

    border-collapse: collapse;

    font-size: 14px;
}

th,
td {
    padding: 14px 12px;

    text-align: left;

    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--muted-color);

    font-size: 12px;
    font-weight: 700;

    text-transform: uppercase;
}

tbody tr:last-child td {
    border-bottom: 0;
}

tbody tr:hover {
    background: var(--bg-color);
}


/* =========================================================
   STATUS
   ========================================================= */

.status {
    display: inline-flex;

    align-items: center;

    padding: 5px 9px;

    border-radius: 999px;

    font-size: 12px;
    font-weight: 600;
}

.status-active {
    background: #dcfce7;
    color: #166534;
}

.status-inactive {
    background: #f3f4f6;
    color: #4b5563;
}

.status-error {
    background: #fee2e2;
    color: #991b1b;
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 900px) {

    .sidebar {
        width: 220px;
        min-width: 220px;
    }

    .admin-main {
        padding: 22px;
    }

    .dashboard-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

}


@media (max-width: 650px) {

    .admin-layout {
        display: block;
    }

    .sidebar {
        width: 100%;
        min-width: 0;

        border-right: 0;
        border-bottom: 1px solid var(--border-color);

        padding: 12px;
    }

    .sidebar-brand {
        padding-bottom: 14px;
    }

    .sidebar-nav {
        display: grid;

        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .sidebar-bottom {
        margin-top: 10px;

        display: grid;

        grid-template-columns:
            1fr 1fr;
    }

    .admin-main {
        padding: 18px 14px;
    }

    .admin-header {
        align-items: flex-start;

        flex-direction: column;
    }

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

    .page-header {
        align-items: flex-start;

        flex-direction: column;
    }

}


/* =========================================================
   MIKROTIKS
   ========================================================= */

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.panel-header h2 {
    margin: 0 0 6px;
}

.mikrotik-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mikrotik-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;

    padding: 18px 20px;

    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 14px;

    transition:
        background-color .2s ease,
        border-color .2s ease,
        transform .15s ease;
}

.mikrotik-card:hover {
    transform: translateY(-1px);
}

.mikrotik-info {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.mikrotik-icon {
    width: 46px;
    height: 46px;

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

    flex-shrink: 0;

    border-radius: 12px;

    background: var(--bg-color);

    font-size: 22px;
}

.mikrotik-info h3 {
    margin: 0 0 5px;

    font-size: 16px;
    font-weight: 700;

    color: var(--text-color);
}

.mikrotik-info p {
    margin: 0;

    font-size: 13px;
}

.mikrotik-details {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-shrink: 0;
}

.mikrotik-status {
    display: flex;
    align-items: center;
    gap: 7px;

    font-size: 13px;
    font-weight: 600;
}

.status-dot {
    width: 9px;
    height: 9px;

    border-radius: 50%;

    display: inline-block;
}

.status-active {
    background: #22c55e;
}

.status-inactive {
    background: #9ca3af;
}

.status-error {
    background: #ef4444;
}

.mikrotik-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary {
    background: var(--bg-color);
    color: var(--text-color);

    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.empty-state {
    text-align: center;

    padding: 55px 20px;
}

.empty-state-icon {
    font-size: 42px;
    margin-bottom: 14px;
}

.empty-state h3 {
    margin: 0 0 8px;

    font-size: 18px;
}

.empty-state p {
    max-width: 480px;

    margin: 0 auto 22px;

    line-height: 1.6;
}


/* =========================================================
   RESPONSIVO - MIKROTIKS
   ========================================================= */

@media (max-width: 768px) {

    .panel-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .panel-header .btn {
        width: 100%;
    }

    .mikrotik-card {
        align-items: flex-start;
        flex-direction: column;
    }

    .mikrotik-info {
        width: 100%;
    }

    .mikrotik-details {
        width: 100%;

        justify-content: space-between;
    }

    .mikrotik-actions {
        margin-left: auto;
    }

}

@media (max-width: 480px) {

    .mikrotik-card {
        padding: 16px;
    }

    .mikrotik-details {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
    }

    .mikrotik-actions {
        width: 100%;
        margin-left: 0;
    }

    .mikrotik-actions .btn {
        width: 100%;
    }

}


/* =========================================================
   FORMULÁRIOS ADMINISTRATIVOS
   ========================================================= */

.admin-form {
    width: 100%;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.admin-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.admin-form label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
}

.admin-form input {
    width: 100%;

    padding: 12px 14px;

    border: 1px solid var(--border-color);
    border-radius: 10px;

    background: var(--surface-color);
    color: var(--text-color);

    font-size: 14px;

    outline: none;

    transition:
        border-color .2s ease,
        box-shadow .2s ease;
}

.admin-form input::placeholder {
    color: var(--muted-color);
}

.admin-form input:focus {
    border-color: var(--primary-color);

    box-shadow:
        0 0 0 3px rgba(37, 99, 235, .12);
}

.form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;

    margin-top: 28px;
}

@media (max-width: 768px) {

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

    .form-group-full {
        grid-column: auto;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
    }

}