:root {
    --ink: #17202a;
    --muted: #5f6b7a;
    --line: #d8dee8;
    --surface: #ffffff;
    --page: #f3f6fa;
    --nav: #152238;
    --nav-hover: #223450;
    --accent: #13795b;
    --accent-dark: #0f6149;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: var(--page);
    font-family: Arial, Helvetica, sans-serif;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 64px;
    padding: 0 28px;
    background: var(--nav);
    color: #ffffff;
}

.brand {
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.menu-bar {
    display: flex;
    flex: 1;
    gap: 4px;
    align-items: stretch;
}

.dropdown {
    position: relative;
}

.dropdown-toggle,
.logout-form button {
    border: 0;
    min-height: 40px;
    padding: 0 14px;
    color: #ffffff;
    background: transparent;
    font: inherit;
    cursor: pointer;
}

.dropdown-toggle:hover,
.dropdown-toggle:focus,
.logout-form button:hover,
.logout-form button:focus {
    background: var(--nav-hover);
    outline: none;
}

.dropdown-panel {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 10;
    display: none;
    min-width: 170px;
    padding: 6px;
    background: #ffffff;
    border: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(20, 31, 48, 0.18);
}

.dropdown:hover .dropdown-panel,
.dropdown:focus-within .dropdown-panel {
    display: grid;
}

.dropdown-panel a {
    display: block;
    padding: 10px 12px;
    color: var(--ink);
    text-decoration: none;
}

.dropdown-panel a:hover,
.dropdown-panel a:focus {
    background: #edf3f7;
    outline: none;
}

.logout-form {
    margin: 0;
}

.page-shell {
    width: min(1120px, calc(100% - 40px));
    margin: 48px auto;
}

.content-panel,
.login-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(20, 31, 48, 0.08);
}

.content-panel {
    padding: 42px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: 34px;
    line-height: 1.2;
}

.login-page {
    min-height: calc(100vh - 96px);
    display: grid;
    place-items: center;
}

.login-card {
    width: min(420px, 100%);
    padding: 32px;
}

.login-card h1 {
    margin-bottom: 24px;
    font-size: 28px;
}

.login-card label {
    display: block;
    margin: 16px 0 6px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.login-card input {
    width: 100%;
    min-height: 44px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    font: inherit;
}

.login-card button {
    width: 100%;
    min-height: 44px;
    margin-top: 24px;
    border: 0;
    border-radius: 6px;
    color: #ffffff;
    background: var(--accent);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.login-card button:hover,
.login-card button:focus {
    background: var(--accent-dark);
    outline: none;
}

.form-error {
    margin: 0 0 12px;
    padding: 10px 12px;
    color: #842029;
    background: #f8d7da;
    border: 1px solid #f1aeb5;
    border-radius: 6px;
}

@media (max-width: 760px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 18px;
    }

    .menu-bar {
        width: 100%;
        flex-wrap: wrap;
    }

    .dropdown-panel {
        min-width: 150px;
    }

    .page-shell {
        width: min(100% - 24px, 1120px);
        margin: 24px auto;
    }

    .content-panel {
        padding: 28px;
    }

    h1 {
        font-size: 28px;
    }
}