@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
    --paper: #E9ECE5;
    --panel: #FBFBF8;
    --line: #D2D6CB;
    --ink: #1F2A24;
    --ink-soft: #5C6B60;
    --stamp-green: #1E6B45;
    --stamp-green-bg: #E4EFE8;
    --stamp-red: #A6371F;
    --stamp-red-bg: #F5E7E3;
    --stamp-amber: #96650E;
    --stamp-amber-bg: #F3ECD9;
    --action-blue: #1F3A5F;
    --action-blue-hover: #16293F;
    --radius: 4px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: 'IBM Plex Sans', sans-serif;
    min-height: 100vh;
    padding: 24px 20px 60px;
}

.app {
    max-width: 1080px;
    margin: 0 auto;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.brand-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.brand-divider {
    width: 1px;
    height: 34px;
    background: var(--line);
}

.topbar h1 {
    font-size: 20px;
    margin: 0 0 2px;
    letter-spacing: -0.01em;
}

.subtitle {
    margin: 0;
    font-size: 12.5px;
    color: var(--ink-soft);
    font-family: 'IBM Plex Mono', monospace;
}

.system-badges {
    display: flex;
    gap: 8px;
}

.badge {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 3px;
    font-weight: 500;
}

.badge-outline {
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink-soft);
}

.badge-success {
    background: var(--stamp-green-bg);
    color: var(--stamp-green);
    border: 1px solid var(--stamp-green);
}

.badge-warning {
    background: var(--stamp-amber-bg);
    color: var(--stamp-amber);
    border: 1px solid var(--stamp-amber);
}

/* Scalable Navigation Tabs */
.tool-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
    border-bottom: 2px solid var(--line);
    padding-bottom: 1px;
}

.tab-btn {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 600;
    font-size: 13px;
    padding: 10px 16px;
    border: 1px solid var(--line);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
    background: #E0E4D9;
    color: var(--ink-soft);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tab-btn:hover {
    background: #D2D8C8;
    color: var(--ink);
}

.tab-btn.active {
    background: var(--panel);
    color: var(--action-blue);
    border-color: var(--line);
    border-bottom: 2px solid var(--panel);
    margin-bottom: -2px;
}

.tool-view {
    display: none;
}

.tool-view.active {
    display: block;
}

/* Dashboard View Styling */
.hero-banner {
    background: linear-gradient(135deg, #1F3A5F 0%, #16293F 100%);
    color: #fff;
    border-radius: 6px;
    padding: 24px 28px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(31, 58, 95, 0.15);
}

.hero-content h2 {
    font-size: 20px;
    margin: 0 0 6px 0;
    letter-spacing: -0.01em;
}

.hero-content p {
    margin: 0;
    font-size: 13.5px;
    color: #D0D9E5;
    max-width: 760px;
    line-height: 1.5;
}

.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.category-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.category-title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
    margin: 0 0 4px 0;
    padding-bottom: 6px;
    border-bottom: 1px dashed var(--line);
}

.tool-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 22px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.tool-card:hover:not(.disabled-card) {
    border-color: var(--action-blue);
    box-shadow: 0 6px 16px rgba(31, 58, 95, 0.08);
    transform: translateY(-2px);
}

.tool-card.disabled-card {
    opacity: 0.7;
    background: #F4F6F1;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.card-icon {
    font-size: 22px;
    background: #EAEFE4;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--line);
}

.card-header h4 {
    font-size: 16px;
    margin: 0 0 4px 0;
    color: var(--ink);
}

.card-desc {
    font-size: 13.5px;
    color: var(--ink-soft);
    line-height: 1.55;
    margin: 0 0 16px 0;
}

.card-footer {
    display: flex;
    justify-content: flex-end;
}

/* Tool View Panels */
.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 18px;
}

.controls label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    margin-bottom: 8px;
    font-family: 'IBM Plex Mono', monospace;
}

.control-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

#folderInput, #checkFolderInput {
    flex: 1;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
}

.control-actions {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.btn {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 600;
    font-size: 13px;
    border: none;
    border-radius: var(--radius);
    padding: 10px 18px;
    cursor: pointer;
    transition: background 0.15s ease;
}

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

.btn.primary:hover:not(:disabled) {
    background: var(--action-blue-hover);
}

.btn.secondary {
    background: #E0E4D9;
    color: var(--ink);
    border: 1px solid var(--line);
}

.btn:disabled {
    background: #C7CBC1;
    color: #7C8478;
    cursor: not-allowed;
}

.log-header,
.ledger-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    margin-bottom: 10px;
}

.log-status {
    font-weight: 600;
}

.log {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12.5px;
    line-height: 1.7;
    max-height: 220px;
    overflow-y: auto;
    background: #14201A;
    color: #CFE6D8;
    border-radius: var(--radius);
    padding: 12px 14px;
}

.log .row {
    white-space: pre-wrap;
    word-break: break-word;
}

.log .ok { color: #8FD9AE; }
.log .warn { color: #E8C97A; }
.log .err { color: #F0968A; }
.log .dim { color: #7C9086; }

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

table.ledger {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

table.ledger th {
    text-align: left;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--line);
    padding: 8px 10px;
}

table.ledger td {
    padding: 10px 10px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

.stamp {
    display: inline-block;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.08em;
    padding: 4px 9px;
    border-radius: 2px;
    border: 2px solid currentColor;
    text-transform: uppercase;
    transform: rotate(-3deg);
}

.stamp.matched {
    color: var(--stamp-green);
    background: var(--stamp-green-bg);
}

.stamp.mismatch {
    color: var(--stamp-red);
    background: var(--stamp-red-bg);
}

.stamp.pending {
    color: var(--stamp-amber);
    background: var(--stamp-amber-bg);
}

.stamp.copied {
    color: var(--stamp-green);
    background: var(--stamp-green-bg);
    transform: rotate(0);
}

.action-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    padding: 3px 6px;
    border-radius: 3px;
    background: #EBF3ED;
    color: var(--stamp-green);
    border: 1px solid #B8DAC4;
}

.action-tag.review {
    background: #FDF3E7;
    color: var(--stamp-amber);
    border-color: #E2C6A3;
}

.ledger-footer {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px dashed var(--line);
}

.copy-status {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12.5px;
    color: var(--ink-soft);
}

.note {
    font-size: 12px;
    color: var(--ink-soft);
    margin: 0;
    line-height: 1.5;
}

/* Global Hidden Rule */
[hidden] {
    display: none !important;
}

@media (max-width: 640px) {
    .topbar { flex-direction: column; align-items: flex-start; }
    .brand-container { flex-direction: column; align-items: flex-start; gap: 8px; }
    .brand-divider { display: none; }
    .tool-tabs { flex-direction: column; }
    .control-row { flex-direction: column; }
}