/* University of Edinburgh / EUSU colour palette */
:root {
    --uoe-navy:  #041E42;
    --uoe-gold:  #C9A22A;
    --uoe-light: #f5f5f0;
}

/* ── Navigation ── */
.eusu-nav {
    background-color: var(--uoe-navy);
    border-bottom: 3px solid var(--uoe-gold);
}

.eusu-nav .navbar-brand span {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* ── Hero / landing ── */
.eusu-hero {
    background-color: var(--uoe-navy);
    color: #fff;
    padding: 3rem 0 2.5rem;
    border-bottom: 4px solid var(--uoe-gold);
}

.eusu-hero h1 {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
}

/* ── Letter card ── */
.letter-card {
    background: #fff;
    border: 1px solid #ddd;
    border-top: 4px solid var(--uoe-gold);
    border-radius: 4px;
    padding: 2rem 2.5rem;
    max-width: 780px;
    margin: 0 auto;
    font-size: 0.97rem;
    line-height: 1.7;
}

/* ── Club selector ── */
.club-selector-card {
    background: var(--uoe-light);
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 1.5rem 2rem;
    max-width: 600px;
    margin: 2rem auto 0;
}

.eusu-btn {
    background-color: var(--uoe-navy);
    border-color: var(--uoe-navy);
    color: #fff;
}

.eusu-btn:hover {
    background-color: var(--uoe-gold);
    border-color: var(--uoe-gold);
    color: #fff;
}

.eusu-btn-gold {
    background-color: var(--uoe-gold);
    border-color: var(--uoe-gold);
    color: #fff;
}

.eusu-btn-gold:hover {
    background-color: #a8841f;
    border-color: #a8841f;
    color: #fff;
}

/* ── Data entry grid ── */
.club-heading {
    background: var(--uoe-navy);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 4px 4px 0 0;
    border-bottom: 3px solid var(--uoe-gold);
}

.entry-table th {
    background-color: var(--uoe-navy);
    color: #fff;
    font-size: 0.8rem;
    white-space: nowrap;
    vertical-align: middle;
    text-align: center;
}

.entry-table td {
    vertical-align: middle;
    padding: 0.3rem 0.4rem;
}

.entry-table td.year-cell {
    font-weight: 600;
    white-space: nowrap;
    color: var(--uoe-navy);
    font-size: 0.88rem;
    background: #f0f4f8;
}

.entry-table td.correction-cell {
    background: #fffbe6;
}

.entry-table input.form-control {
    font-size: 0.82rem;
    min-width: 100px;
}

.entry-table input.form-control:focus {
    border-color: var(--uoe-gold);
    box-shadow: 0 0 0 0.2rem rgba(201, 162, 42, 0.25);
}

.entry-table input.changed {
    border-color: var(--uoe-gold);
    background-color: #fffbe6;
}

/* ── Footer ── */
.eusu-footer {
    background-color: var(--uoe-navy);
    color: #ccc;
    font-size: 0.88rem;
}

.eusu-link {
    color: var(--uoe-gold);
    text-decoration: none;
}

.eusu-link:hover {
    color: #e8c050;
}

/* ── Alerts ── */
.alert-eusu {
    background-color: #e8f4e8;
    border-color: #4caf50;
    color: #2e7d32;
}