:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #10b981;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Glassmorphism utility */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Sidebar */
.sidebar {
    width: 260px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    border-right: 1px solid var(--glass-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-mark {
    width: 32px;
    height: 32px;
    display: block;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(5px);
}

.nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border-left: 3px solid var(--accent);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-radius: 16px;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
}

.pulse .dot {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Tabs */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
    border-radius: 16px;
    padding: 2rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.flex-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.glass-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.glass-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

textarea.list-input {
    min-height: 5rem;
    font-family: ui-monospace, Consolas, monospace;
    resize: vertical;
}

.hint {
    display: block;
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.8;
    margin-top: 0.15rem;
}

.policy-warn {
    margin: 0.5rem 0 0;
    font-size: 0.8rem;
    color: #f59e0b;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.primary-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .4s;
    border: 1px solid var(--glass-border);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--accent);
    border-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.audit-table {
    width: 100%;
    border-collapse: collapse;
}

.audit-table th {
    text-align: left;
    padding: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--glass-border);
}

.audit-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.875rem;
}

.audit-table tbody tr {
    transition: background 0.2s ease;
}

.audit-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.status-badge-sm {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.status-success { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.status-partial { background: rgba(230, 195, 92, 0.12); color: #e6c35c; }
.status-rejected { background: rgba(239, 68, 68, 0.1); color: var(--danger); }

/* Connectors */
.connector-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.connector-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    transition: transform 0.2s ease;
}

.connector-item:hover {
    transform: scale(1.01);
}

.connector-info h4 { margin-bottom: 0.25rem; }
.connector-info span { color: var(--text-secondary); font-size: 0.75rem; }

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--success);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* --- Live Playground --- */
.pg-sub { color: var(--text-secondary); margin: 0.25rem 0 1.25rem; font-size: 0.95rem; }
.pg-samples { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.chip { background: rgba(59,130,246,0.12); border: 1px solid var(--glass-border); color: var(--text-primary); padding: 0.45rem 0.85rem; border-radius: 999px; font-size: 0.85rem; cursor: pointer; transition: all .15s; font-family: inherit; }
.chip:hover { background: rgba(59,130,246,0.25); border-color: var(--accent); }
.chip span { color: var(--text-secondary); font-size: 0.78rem; }
.chip-danger { background: rgba(239,68,68,0.12); }
.chip-danger:hover { background: rgba(239,68,68,0.25); border-color: var(--danger); }
.pg-input-row { display: flex; gap: 0.75rem; margin-bottom: 1.5rem; }
.pg-input-row .glass-input { flex: 1; font-family: Consolas, monospace; }
#pg-run { white-space: nowrap; }
.pg-result { min-height: 50px; }
.pg-compare { display: flex; align-items: stretch; gap: 1rem; }
.pg-col { flex: 1; border-radius: 12px; padding: 1rem; border: 1px solid var(--glass-border); overflow: auto; }
.pg-raw { background: rgba(239,68,68,0.07); border-color: rgba(239,68,68,0.3); }
.pg-gov { background: rgba(16,185,129,0.07); border-color: rgba(16,185,129,0.3); }
.pg-col-head { font-weight: 600; font-size: 0.85rem; margin-bottom: 0.75rem; }
.pg-col pre { font-family: Consolas, monospace; font-size: 0.8rem; line-height: 1.5; white-space: pre; color: var(--text-primary); margin: 0; }
.pg-arrow { display: flex; align-items: center; color: var(--accent); font-size: 1.5rem; font-weight: 700; }
.jk { color: #7dd3fc; }
.jv { color: #f8fafc; }
.jmask { color: var(--danger); font-weight: 700; background: rgba(239,68,68,0.15); padding: 0 4px; border-radius: 4px; }
.pg-logged { display: inline-block; margin-top: 1rem; color: var(--success); font-size: 0.85rem; font-weight: 500; }
.pg-blocked { display: flex; gap: 1rem; align-items: flex-start; padding: 1.5rem; background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.35); border-radius: 12px; }
.pg-blocked-icon { font-size: 2rem; }
.pg-blocked h4 { color: var(--danger); margin-bottom: 0.4rem; }
.pg-blocked p { color: var(--text-secondary); margin-bottom: 0.6rem; }

/* --- Responsive Design (Mobile & Tablet) --- */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        padding: 1rem;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }

    .sidebar nav {
        flex-direction: row;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 0.25rem;
    }

    .nav-item {
        padding: 0.5rem 0.75rem;
    }

    .nav-item:hover {
        transform: translateY(-2px);
    }

    .nav-item.active {
        border-left: none;
        border-bottom: 3px solid var(--accent);
    }

    .main-content {
        padding: 1rem;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1.25rem;
    }

    .pg-input-row {
        flex-direction: column;
    }

    .pg-compare {
        flex-direction: column;
        align-items: center;
    }

    .pg-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }
}

.receipt-chain {
    margin: 0 0 1rem;
    font-weight: 650;
}
.receipt-chain.ok { color: var(--success); }
.receipt-chain.broken { color: var(--danger); }
.receipt-empty {
    color: var(--text-secondary);
    margin: 0 0 1rem;
}
.receipt-table-row { cursor: pointer; }
.receipt-table-row:hover { background: rgba(255, 255, 255, 0.04); }
.receipt-table-row.selected { background: rgba(59, 130, 246, 0.12); }
.receipt-detail { margin-top: 1.5rem; }