:root {
    --bg-main: #0B0F17;
    --bg-card: #141C2B;
    --accent: #00E5FF;
    --accent-hover: #00B8D4;
    --text-primary: #F3F4F6;
    --text-muted: #9CA3AF;
    --border: #24324D;
    --success: #00E676;
    --error: #FF1744;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.app-container {
    width: 100%;
    max-width: 520px;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 0.05em;
}

.logo span {
    color: var(--accent);
    font-size: 0.8rem;
    border: 1px solid var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
}

.view-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

h2 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 1.5rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: #fff;
    box-sizing: border-box;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--accent);
}

.btn-primary, .btn-secondary {
    width: 100%;
    padding: 14px;
    border-radius: 6px;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--accent);
    color: #000;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-hover);
}

.btn-primary:disabled {
    background-color: var(--border);
    color: var(--text-muted);
    cursor: not-allowed;
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 24px;
}

.drop-zone:hover {
    border-color: var(--accent);
}

.highlight { color: var(--accent); font-weight: 600; }

.status-matrix {
    margin-top: 20px;
    background: var(--bg-main);
    border-radius: 6px;
    padding: 16px;
    border: 1px solid var(--border);
}

.status-item {
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--text-muted);
}
.status-item:last-child { margin-bottom: 0; }
.status-item.done { color: var(--success); }
.status-item.failed { color: var(--error); }

.sharing-box {
    margin-top: 24px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.warning-text {
    font-size: 0.75rem;
    color: #FFD54F;
    line-height: 1.4;
}

.copy-row {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.copy-row input { flex: 1; }
.copy-row button { width: auto; background: var(--border); color: #fff; }

.code-box {
    background: var(--bg-main);
    padding: 12px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.8rem;
    word-break: break-all;
    border: 1px solid var(--border);
}

.hidden { display: none !important; }
.margin-v { margin: 20px 0; }
footer { text-align: center; font-size: 0.7rem; color: var(--text-muted); margin-top: 24px; }