:root {
    --bg: #0f1419;
    --surface: #1a2332;
    --surface-hover: #243044;
    --border: #2f3b4e;
    --text: #e7ecf3;
    --text-muted: #8b9cb3;
    --primary: #1d9bf0;
    --primary-hover: #1a8cd8;
    --success: #00ba7c;
    --warning: #ffad1f;
    --danger: #f4212e;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.app {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px 16px;
}

.main {
    padding-top: 14px;
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 20, 25, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    margin: 0 -20px;
    padding: 0 20px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-dot.active { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.checking { background: var(--warning); animation: pulse 1s infinite; }
.status-dot.error { background: var(--danger); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 0 0 14px;
}

.compact-stats {
    grid-template-columns: repeat(3, 1fr);
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.55rem;
    line-height: 1.15;
    font-weight: 700;
    color: var(--text);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.grid {
    display: grid;
    grid-template-columns: minmax(300px, 340px) 1fr;
    gap: 14px;
    align-items: stretch;
}

.logs-layout {
    height: calc(100vh - 150px);
    min-height: 520px;
    align-items: stretch;
    overflow: hidden;
}

.logs-layout .sidebar {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.logs-layout .panel-add,
.logs-layout .panel-caption {
    flex-shrink: 0;
}

.logs-layout .panel-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.logs-layout .panel-list h2 {
    flex-shrink: 0;
}

.logs-layout .panel-list .blogger-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

.logs-layout .panel-caption {
    margin-bottom: 0;
}

.logs-layout .content {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.logs-layout .log-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    margin-bottom: 0;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 14px;
}

.panel h2 {
    font-size: 0.98rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.panel-header h2 {
    margin-bottom: 0;
}

.badge {
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.add-form .input-group {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 10px;
}

.input-prefix {
    padding: 0 12px;
    color: var(--text-muted);
    font-weight: 600;
}

.add-form input[type="text"] {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    padding: 9px 10px 9px 0;
    font-size: 0.9rem;
    outline: none;
}

.add-form input::placeholder {
    color: var(--text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border: none;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

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

.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-block { width: 100%; background: var(--primary); color: #fff; }
.btn-block:hover { background: var(--primary-hover); }

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    background: var(--surface-hover);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-sm:hover { background: var(--border); }
.logout-link { color: var(--text); }

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.btn-icon:hover { background: var(--surface-hover); color: var(--text); }
.btn-icon.danger:hover { color: var(--danger); }
.inline-form { display: inline; }

.caption-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 10px;
}

.caption-form .caption-hint,
.caption-form .form-label,
.caption-form textarea,
.caption-form button {
    grid-column: 1 / -1;
}

.caption-hint {
    font-size: 0.78rem;
    margin-bottom: 0;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text);
    font-size: 0.86rem;
    cursor: pointer;
}

.check-row input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.form-label {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-top: 2px;
}

.caption-form textarea {
    width: 100%;
    height: 72px;
    resize: none;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 8px;
    outline: none;
    font-family: inherit;
}

.caption-form textarea:focus {
    border-color: var(--primary);
}
.blogger-list {
    list-style: none;
    overflow-y: auto;
    padding-right: 4px;
}

.blogger-list::-webkit-scrollbar,
.log-list::-webkit-scrollbar {
    width: 6px;
}

.blogger-list::-webkit-scrollbar-track,
.log-list::-webkit-scrollbar-track {
    background: transparent;
}

.blogger-list::-webkit-scrollbar-thumb,
.log-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.blogger-list::-webkit-scrollbar-thumb:hover,
.log-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.blogger-list,
.log-list {
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.blogger-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
}

.blogger-item:last-child { border-bottom: none; }
.blogger-item.disabled { opacity: 0.5; }

.blogger-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.blogger-info strong {
    display: block;
    font-size: 0.9rem;
}

.blogger-info small {
    display: block;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.blogger-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
}

.log-list {
    list-style: none;
    overflow-y: auto;
}

.log-panel {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.log-list-large {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    scrollbar-gutter: stable;
    padding-right: 4px;
}

.log-item {
    display: grid;
    grid-template-columns: 82px 128px 1fr;
    gap: 8px;
    padding: 7px 0;
    font-size: 0.84rem;
    line-height: 1.35;
    border-bottom: 1px solid rgba(47, 59, 78, 0.5);
}

.log-time { color: var(--text-muted); flex-shrink: 0; }
.log-user { color: var(--primary); flex-shrink: 0; }
.log-msg {
    color: var(--text-muted);
    white-space: normal;
    word-break: break-word;
}
.log-ok .log-msg { color: var(--text); }
.log-error .log-msg { color: var(--danger); }

.empty-hint { color: var(--text-muted); font-size: 0.85rem; padding: 12px 0; }
.muted { color: var(--text-muted); }

.footer {
    display: none;
    text-align: center;
    padding: 16px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer code {
    background: var(--surface);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    font-size: 0.9rem;
    opacity: 0;
    transition: all 0.3s;
    z-index: 1000;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-success { border-color: var(--success); }
.toast-error { border-color: var(--danger); }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.login-card h1 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.login-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.login-card input[type="password"] {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 12px;
    margin-bottom: 14px;
    outline: none;
}

.login-card input[type="password"]:focus {
    border-color: var(--primary);
}

.login-error {
    color: #fff;
    background: rgba(244, 33, 46, 0.18);
    border: 1px solid rgba(244, 33, 46, 0.55);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .logs-layout {
        height: auto;
        min-height: 0;
        overflow: visible;
    }

    .logs-layout .panel-list {
        display: flex;
    }

    .logs-layout .panel-list .blogger-list {
        max-height: 220px;
        flex: none;
    }

    .logs-layout .panel-caption {
        margin-bottom: 14px;
    }

    .logs-layout .log-panel {
        min-height: 280px;
    }

    .log-list-large {
        max-height: 320px;
        flex: none;
    }

    .stats-row,
    .compact-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .log-item {
        grid-template-columns: 80px 110px 1fr;
    }
}

@media (max-width: 520px) {
    .stats-row,
    .compact-stats {
        grid-template-columns: 1fr;
    }

    .header-inner {
        flex-direction: column;
        height: auto;
        padding: 12px 0;
        gap: 12px;
    }

    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .log-item {
        grid-template-columns: 1fr;
        gap: 2px;
    }
}