:root {
    --color-bg: #F4F8FA;
    --color-text: #061238;
    --color-heading: #0A4951;
    --color-border: #DAE6EF;
    --color-primary: #156E7F;
    --color-accent: #3BB3C3;
    --color-panel: #F9FBFD;
    --color-muted: #566B88;
    --color-strong-text: #333333;
    --color-sidebar: #F4F6F9;
    --sidebar-width: 72px;
}

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

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    text-align: left;
}

.app-shell {
    display: flex;
    height: 100%;
    width: 100%;
}

.app-sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-sidebar);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 0;
    border-right: 1px solid var(--color-border);
    gap: 12px;
}

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

.sidebar-logo img {
    max-height: 35px;
    max-width: 100%;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
}

.sidebar-link {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
    position: relative;
}

.sidebar-link .material-icons-outlined {
    font-size: 22px;
}

.sidebar-link.active {
    background-color: rgba(21, 110, 127, 0.12);
    color: var(--color-primary);
}

.sidebar-link:hover {
    background-color: rgba(21, 110, 127, 0.08);
    color: var(--color-primary);
}

.sidebar-label {
    font-size: 10px;
    color: var(--color-muted);
    margin-top: 4px;
}

.sidebar-link.sidebar-login {
    margin-top: auto;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: auto;
    position: relative;
    padding: 16px;
    text-align: left;
}

.app-main.map-main {
    overflow: hidden;
    padding: 0;
}

.content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 8px 16px;
}

.content h1 {
    margin: 0;
    font-size: 18px;
    color: var(--color-heading);
}

.row {
    display: flex;
    height: 100%;
    border-top: 1px solid var(--color-border);
}

.material-icons-outlined {
    vertical-align: middle;
}

.toggle-button {
    display: block;
    position: absolute;
    top: 12px;
    left: calc(var(--sidebar-width) + 12px);
    background-color: var(--color-bg);
    color: var(--color-primary);
    border: none;
    padding: 5px;
    border-radius: 1px;
    cursor: pointer;
    z-index: 1000;
}

.toggle-button:hover {
    background-color: var(--color-border);
}

.btn-accent {
    background-color: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.primary-button,
.secondary-button {
    border-radius: 12px;
    padding: 6px 14px;
    font-size: 12px;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.primary-button {
    background: var(--color-accent);
    color: #fff;
}

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

.secondary-button {
    background: var(--color-panel);
    color: var(--color-muted);
    border: 1px solid var(--color-border);
}

.secondary-button:hover {
    background: rgba(21, 110, 127, 0.08);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.secondary-button.subtle {
    padding: 6px 10px;
}

@media (max-width: 768px) {
    .app-shell {
        flex-direction: column;
    }

    .app-sidebar {
        width: 100%;
        height: 56px;
        flex-direction: row;
        justify-content: center;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: 8px 16px;
    }

    .sidebar-logo {
        display: none;
    }

    .sidebar-nav {
        flex-direction: row;
        gap: 12px;
    }

    .sidebar-link {
        width: 44px;
        height: 44px;
    }

    .app-main {
        padding: 12px;
    }
}