:root {
    --color-bg: #f5f6fa;
    --color-surface: #ffffff;
    --color-border: #e4e7ec;
    --color-text: #1a1d29;
    --color-text-muted: #667085;
    --color-accent: #4f46e5;
    --color-accent-hover: #4338ca;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-success-bg: #ecfdf5;
    --color-success-text: #067647;
    --color-error-bg: #fef3f2;
    --color-error-text: #b42318;
    --radius: 14px;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
    --shadow-hover: 0 4px 12px rgba(16, 24, 40, 0.10);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0f1117;
        --color-surface: #171a23;
        --color-border: #2a2e3a;
        --color-text: #e9eaf0;
        --color-text-muted: #9298a8;
        --color-accent: #818cf8;
        --color-accent-hover: #a5b0fb;
        --color-success-bg: #0d2b21;
        --color-success-text: #4ade80;
        --color-error-bg: #2c1414;
        --color-error-text: #f87171;
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-hover: 0 4px 14px rgba(0, 0, 0, 0.45);
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
}

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header__inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-header__brand {
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.site-header__nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.site-header__nav a:hover {
    color: var(--color-text);
}

.site-main {
    min-height: calc(100vh - 130px);
}

.page {
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.page--narrow {
    max-width: 440px;
}

h1 {
    font-size: 1.6rem;
    letter-spacing: -0.02em;
    margin: 0 0 28px;
}

h2 {
    font-size: 1.1rem;
    margin: 0 0 16px;
}

.empty-state {
    color: var(--color-text-muted);
    text-align: center;
    padding: 60px 0;
}

/* ---- Public tiles: one wide row per publication ---- */

.tile-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tile {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px 28px;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.tile:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
}

.tile__name {
    margin: 0 0 4px;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.tile__link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--color-text-muted);
    word-break: break-all;
}

.tile__link:hover {
    color: var(--color-accent);
}

.tile__files {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: flex-start;
}

.tile__file a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 7px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.65rem;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.tile__file a:hover {
    border-color: var(--color-accent);
    background: var(--color-surface);
}

.tile__file-badge {
    font-size: 0.52rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    background: var(--color-accent);
    color: #fff;
    padding: 2px 5px;
    border-radius: 4px;
}

.tile__file-badge--pdf {
    background: #F40F02;
}

.tile__file-badge--csv {
    background: #1D6F42;
}

.tile__file-name {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tile__file-size {
    color: var(--color-text-muted);
    font-size: 0.59rem;
}

/* ---- Forms / buttons (shared) ---- */

.field {
    display: block;
    margin-bottom: 14px;
}

.field span {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.field input[type="text"],
.field input[type="url"],
.field input[type="password"],
.field input[type="file"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 9px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.92rem;
}

.field input:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 1px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    border-radius: 9px;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    background: var(--color-accent);
    color: #fff;
    transition: background 0.15s ease;
}

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

.btn--primary {
    width: 100%;
}

.btn--small {
    padding: 7px 14px;
    font-size: 0.82rem;
}

.btn--danger {
    background: var(--color-danger);
}

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

.btn--icon {
    background: transparent;
    color: var(--color-text-muted);
    padding: 2px 6px;
    font-size: 1rem;
    line-height: 1;
}

.btn--icon:hover {
    color: var(--color-danger);
    background: transparent;
}

.flash {
    padding: 12px 16px;
    border-radius: 9px;
    font-size: 0.88rem;
    margin-bottom: 20px;
}

.flash--success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

.flash--error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
}

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
    margin-top: 60px;
}

.auth-card h1 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

/* ---- Admin dashboard ---- */

.admin-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px 28px;
    margin-bottom: 24px;
}

.hint {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: -8px;
    margin-bottom: 18px;
}

.admin-pub-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-pub {
    display: flex;
    gap: 14px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 16px;
    background: var(--color-bg);
}

.admin-pub.is-dragging {
    opacity: 0.4;
}

.admin-pub__handle {
    cursor: grab;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    padding-top: 6px;
    user-select: none;
}

.admin-pub__body {
    flex: 1;
    min-width: 0;
}

.admin-form--inline {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 12px;
}

.admin-form--inline .field {
    margin-bottom: 10px;
    flex: 1 1 200px;
}

.admin-form--inline button {
    margin-bottom: 10px;
}

.admin-form--add-files {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--color-border);
}

.admin-form--tiny {
    display: inline-block;
    margin-top: 8px;
    margin-right: 8px;
}

.admin-file-list {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.admin-file-list__item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 6px 8px;
    font-size: 0.82rem;
}

.site-footer {
    border-top: 1px solid var(--color-border);
}

.site-footer__inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px 24px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}