:root {
    --color-bg: #12161b;
    --color-surface: #1a2027;
    --color-border: #2b3542;
    --color-text: #e7eaee;
    --color-text-muted: #8b96a3;
    --color-primary: #5b8def;
    --color-primary-hover: #79a3f5;
    --color-danger: #d9666b;
    --color-danger-hover: #e88690;
    --color-success-bg: rgba(79, 169, 116, 0.14);
    --color-success-text: #4fa974;
    --color-error-bg: rgba(217, 102, 107, 0.14);
    --color-error-text: #d9666b;
    --radius: 10px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN",
        "Hiragino Sans", Meiryo, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 24px 64px;
}

.app-header {
    margin-bottom: 24px;
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.panel {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}

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

.capacity-box {
    margin-bottom: 20px;
}

.capacity-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.capacity-bar-track {
    background-color: var(--color-border);
    border-radius: 999px;
    height: 10px;
    overflow: hidden;
}

.capacity-bar-fill {
    background-color: var(--color-primary);
    height: 100%;
    transition: width 0.2s ease;
}

.upload-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.upload-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

input[type="file"] {
    flex: 1 1 260px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.password-input {
    flex: 1 1 220px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    padding: 7px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-surface);
    color: var(--color-text);
}

.download-form {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-right: 4px;
}

.password-input-small {
    flex: none;
    width: 110px;
    padding: 5px 8px;
    font-size: 0.8rem;
}

.password-cell {
    font-size: 0.85rem;
}

.btn {
    display: inline-block;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    cursor: pointer;
    text-decoration: none;
    color: #fff;
    background-color: var(--color-primary);
    transition: background-color 0.15s ease;
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-small {
    padding: 5px 10px;
    font-size: 0.8rem;
    margin-right: 4px;
}

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

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

.hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin: 0;
}

.progress-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.progress-track {
    flex: 1;
    background-color: var(--color-border);
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
}

.progress-fill {
    background-color: var(--color-primary);
    height: 100%;
    width: 0;
    transition: width 0.1s linear;
}

.progress-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    min-width: 40px;
    text-align: right;
}

.message {
    font-size: 0.85rem;
    padding: 8px 12px;
    border-radius: 6px;
}

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

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

.table-wrap {
    overflow-x: auto;
}

.file-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.file-table th,
.file-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    white-space: nowrap;
}

.file-table th {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.8rem;
}

.mono {
    font-family: var(--font-mono);
}

.sha-cell {
    min-width: 480px;
    white-space: nowrap;
}

.filename-cell {
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.empty-cell {
    text-align: center;
    color: var(--color-text-muted);
    padding: 24px 8px;
}

@media (max-width: 600px) {
    .container {
        padding: 16px 12px 48px;
    }

    .filename-cell {
        max-width: 120px;
    }
}