:root {
    --color-primary: #1f4b6e;
    --color-primary-dark: #163750;
    --color-accent: #2f8f6e;
    --color-error: #b3261e;
    --color-warning: #b06a00;
    --color-border: #d8dee4;
    --color-bg: #f5f7f9;
    --color-text: #1c2630;
    --color-muted: #5b6b7a;
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

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

.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-header {
    background: var(--color-primary);
    color: #fff;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.site-header .brand {
    font-weight: 600;
    font-size: 1.1rem;
}

.site-nav a {
    color: #fff;
    margin-left: 1rem;
    text-decoration: none;
    font-size: 0.95rem;
}

.site-nav a:hover {
    text-decoration: underline;
}

.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 1.5rem;
    flex: 1;
    width: 100%;
}

h1 {
    font-size: 1.5rem;
    margin-top: 0;
}

h2 {
    font-size: 1.15rem;
    margin-top: 2rem;
}

.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

label {
    display: block;
    font-weight: 600;
    margin: 0.75rem 0 0.25rem;
    font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
}

textarea {
    resize: vertical;
}

button,
.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 0.6rem 1.1rem;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    margin-top: 1rem;
}

button:hover,
.btn:hover {
    background: var(--color-primary-dark);
}

.btn-small {
    padding: 0.3rem 0.7rem;
    font-size: 0.85rem;
    margin-top: 0;
    margin-left: 0.4rem;
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-error);
    cursor: pointer;
    padding: 0;
    margin: 0;
    font-size: 0.85rem;
    text-decoration: underline;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.alert-error {
    background: #fbe9e7;
    color: var(--color-error);
    border: 1px solid #f1c4bf;
}

.alert-success {
    background: #e6f4ea;
    color: var(--color-accent);
    border: 1px solid #bfe3cf;
}

.alert-info {
    background: #eaf2f8;
    color: var(--color-primary);
    border: 1px solid #c9dcec;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    background: #e3e9ee;
    color: var(--color-muted);
}

.badge-received { background: #eaf2f8; color: var(--color-primary); }
.badge-in_progress { background: #fff4e0; color: var(--color-warning); }
.badge-awaiting_id { background: #fff4e0; color: var(--color-warning); }
.badge-on_hold { background: #f1ecf9; color: #6a3fb5; }
.badge-completed { background: #e6f4ea; color: var(--color-accent); }
.badge-rejected { background: #fbe9e7; color: var(--color-error); }

.timeline {
    list-style: none;
    padding: 0;
    margin: 0;
}

.timeline li {
    border-left: 3px solid var(--color-border);
    padding: 0.25rem 0 1rem 1rem;
    margin-left: 0.5rem;
}

.timeline-date {
    display: block;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.file-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.file-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-border);
}

.file-list li:last-child {
    border-bottom: none;
}

.file-name {
    font-weight: 500;
    word-break: break-all;
}

.file-actions {
    white-space: nowrap;
}

.meta {
    color: var(--color-muted);
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.table th,
.table td {
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    font-size: 0.95rem;
}

.table th {
    background: #eef2f5;
}

.table tr:last-child td {
    border-bottom: none;
}

.filter-form {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-form input,
.filter-form select {
    width: auto;
    flex: 1;
    min-width: 160px;
}

.filter-form button {
    margin-top: 0;
}

.site-footer {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.8rem;
    padding: 1rem;
}