*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-fjord: #3F5F6B;
    --color-fjord-dark: #2E4A54;
    --color-ice: #AFC7CF;
    --color-snow: #ECEFF1;
    --color-surface: #FFFFFF;
    --color-text: #2C3E44;
    --color-text-muted: #6B8A94;
    --color-accent-start: #5FA8D3;
    --color-accent-end: #7ED7C1;
    --color-border: #D4DEE2;
    --color-danger: #C0392B;
    --color-danger-hover: #A93226;
    --color-passed: #2E7D5B;
    --color-passed-bg: #E8F5EE;
    --color-failed: #C0392B;
    --color-failed-bg: #FDECEC;
    --color-warning: #B8860B;
    --color-warning-bg: #FFF8E7;
    --color-pending: var(--color-ice);
    --color-pending-bg: var(--color-snow);
    --color-running: var(--color-fjord);
    --color-running-bg: #E0ECF0;
    --color-error: #C0392B;
    --color-error-bg: #FDECEC;
    --color-none: var(--color-text-muted);
    --color-none-bg: var(--color-snow);
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(44, 62, 68, 0.08), 0 1px 2px rgba(44, 62, 68, 0.06);
    --shadow-md: 0 4px 12px rgba(44, 62, 68, 0.1);
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    font-family: var(--font-sans);
    background: var(--color-snow);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

/* Navbar */
.navbar {
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-ice);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 1.35rem;
    text-decoration: none;
    color: var(--color-fjord);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.brand-version {
    font-size: 1.0em;
    font-variant-numeric: lining-nums;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Hero */
.hero {
    text-align: center;
    padding: 1.6rem 1rem 6rem;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-fjord);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-accent {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent-start), var(--color-accent-end));
    margin: 1rem auto 1.5rem;
    border-radius: 2px;
}

.leif-mascot {
    width: 22vw;
    max-width: 220px;
    min-width: 120px;
    margin: 0 auto 1.5rem;
    display: block;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    font-weight: 400;
}

.description {
    max-width: 480px;
    margin: 0 auto 2.5rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.55rem 1.35rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.5;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
    background: var(--color-snow);
    border-color: var(--color-ice);
}

.btn-primary {
    background: var(--color-fjord);
    color: #fff;
    border-color: var(--color-fjord);
}

.btn-primary:hover {
    background: var(--color-fjord-dark);
    border-color: var(--color-fjord-dark);
}

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

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

.btn-sm {
    padding: 0.3rem 0.85rem;
    font-size: 0.8rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Form elements */
.form-select {
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-text);
    background: var(--color-surface);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-fjord);
    box-shadow: 0 0 0 2px rgba(63, 95, 107, 0.15);
}

/* Login */
.login-card {
    max-width: 380px;
    margin: 8rem auto;
    background: var(--color-surface);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.login-card h1 {
    font-family: var(--font-serif);
    font-weight: 900;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-fjord);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 1.75rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--color-text);
}

.form-group input {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-text);
    transition: border-color 0.15s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-fjord);
    box-shadow: 0 0 0 2px rgba(63, 95, 107, 0.15);
}

.error-message {
    color: var(--color-danger);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    padding: 0.6rem 0.85rem;
    background: var(--color-failed-bg);
    border-radius: var(--radius);
}

/* Sections */
.upload-section {
    margin-bottom: 2.5rem;
}

.upload-section h2,
.files-section h2,
.runs-section h2 {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.35rem;
    color: var(--color-fjord);
    margin-bottom: 1.25rem;
}

.filters {
    margin-bottom: 1.25rem;
}

.filters select {
    padding: 0.45rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-text);
    background: var(--color-surface);
}

.filters select:focus {
    outline: none;
    border-color: var(--color-fjord);
    box-shadow: 0 0 0 2px rgba(63, 95, 107, 0.15);
}

/* File Table */
.file-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.file-table th, .file-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
}

.file-table th {
    background: var(--color-surface);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-snow);
}

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

.file-table tr:hover td {
    background: var(--color-snow);
}

.file-table td a {
    color: var(--color-fjord);
    text-decoration: none;
    font-weight: 500;
}

.file-table td a:hover {
    text-decoration: underline;
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-passed { background: var(--color-passed-bg); color: var(--color-passed); }
.badge-failed { background: var(--color-failed-bg); color: var(--color-failed); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-pending { background: var(--color-pending-bg); color: #6B8A94; }
.badge-running { background: var(--color-running-bg); color: var(--color-running); }
.badge-error { background: var(--color-error-bg); color: var(--color-error); }
.badge-none { background: var(--color-none-bg); color: var(--color-none); }

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin-top: 1.5rem;
}

.pagination button {
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-text);
    transition: background 0.15s ease;
}

.pagination button:hover {
    background: var(--color-snow);
}

.pagination button.active {
    background: var(--color-fjord);
    color: #fff;
    border-color: var(--color-fjord);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* File Detail */
.back-link {
    display: inline-block;
    margin-bottom: 1.25rem;
    color: var(--color-fjord);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

.file-detail {
    background: var(--color-surface);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 2.5rem;
}

.file-detail h2 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-fjord);
}

.file-meta {
    margin: 1.25rem 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.4rem 1.25rem;
}

.file-meta strong {
    color: var(--color-text);
    font-weight: 500;
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

/* Inline process action */
.process-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.process-inline .form-select {
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
}

.process-inline .btn-sm {
    padding: 0.2rem 0.6rem;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 5rem;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.footer span {
    font-family: var(--font-serif);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 2.5rem;
    color: var(--color-text-muted);
}