* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #222;
    background: #fafafa;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid #ddd;
}

.page-header h1 {
    margin: 0;
    font-size: 1.6rem;
}

main {
    padding: 1.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 1rem;
}

.photo-card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.photo-card img {
    display: block;
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.photo-caption {
    padding: 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.9rem;
    overflow-wrap: anywhere;
}

a {
    color: #0645ad;
}

.download-link {
    font-weight: bold;
}

.muted {
    color: #777;
}

.notice,
.error {
    padding: 0.8rem 1rem;
    border-radius: 4px;
}

.notice {
    background: #fff8d8;
    border: 1px solid #ead27b;
}

.error {
    background: #ffe2e2;
    border: 1px solid #d88;
}

.login-box {
    max-width: 420px;
    margin: 3rem auto;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1.5rem;
}

.login-box form {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.login-box input,
.login-box button {
    font-size: 1rem;
    padding: 0.6rem;
}

.login-box button {
    cursor: pointer;
}