:root {
    --color-navy: #0D2137;
    --color-navy-dark: #1A3A52;
    --color-brass: #C9A84C;
    --color-parchment: #F5F0E8;
    --color-steel: #8AAEC4;

    --font-serif: Georgia, 'Times New Roman', serif;
    --font-sans: 'Segoe UI', Tahoma, Verdana, sans-serif;
}

* {
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-navy);
    background-color: var(--color-parchment);
}

a {
    color: var(--color-navy-dark);
}

.btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
    background-color: var(--color-brass);
    color: var(--color-navy);
    width: 100%;
    text-align: center;
}

.btn--primary:hover {
    background-color: #b5933e;
}

.btn--ghost {
    background-color: transparent;
    border-color: var(--color-steel);
    color: var(--color-parchment);
}

.btn--ghost:hover {
    background-color: rgba(245, 240, 232, 0.1);
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-navy);
    color: var(--color-parchment);
    padding: 1rem 2rem;
}

.app-header__brand {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    letter-spacing: 0.12em;
    color: var(--color-brass);
}

.app-header__user {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
}

.app-header__role {
    color: var(--color-steel);
    text-transform: capitalize;
}

.app-main {
    padding: 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.app-main h1 {
    font-family: var(--font-serif);
    color: var(--color-navy);
}