/* Print Studio & Tab Navigation Styles (Enhanced) */

/* ─── Tab Bar ─── */
.tab-bar {
    display: flex; gap: 3px; padding: 14px 24px 0;
    max-width: 1440px; margin: 0 auto;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}
.tab-btn {
    padding: 12px 24px; border: 1px solid transparent; border-bottom: none;
    background: transparent; color: var(--text-muted); font-size: 14px; font-weight: 700;
    cursor: pointer; border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: var(--transition); font-family: var(--font);
    display: flex; align-items: center; gap: 8px; position: relative; bottom: -1px;
}
.tab-btn:hover { color: var(--text-secondary); background: var(--bg-hover); }
.tab-btn.active {
    color: var(--accent); background: var(--bg-primary);
    border-color: var(--border); border-bottom: 2px solid var(--bg-primary);
    box-shadow: 0 -2px 0 var(--accent) inset;
}
.tab-btn .tab-icon { font-size: 17px; opacity: 0.7; }
.tab-btn.active .tab-icon { opacity: 1; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Print Studio Layout ─── */
.print-container {
    max-width: 1440px; margin: 0 auto; padding: 24px;
    display: grid; grid-template-columns: 1fr 400px; gap: 24px;
    min-height: calc(100vh - 116px);
}

/* ─── Paper Preview ─── */
.paper-preview-card { min-height: 440px; }
.paper-preview-wrapper {
    position: relative; display: flex; align-items: center; justify-content: center;
    background: var(--bg-tertiary); border-radius: var(--radius-sm);
    padding: 36px; min-height: 380px;
    background-image:
        linear-gradient(45deg, var(--bg-hover) 25%, transparent 25%),
        linear-gradient(-45deg, var(--bg-hover) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--bg-hover) 75%),
        linear-gradient(-45deg, transparent 75%, var(--bg-hover) 75%);
    background-size: 18px 18px;
    background-position: 0 0, 0 9px, 9px -9px, -9px 0px;
}
.paper-canvas {
    position: relative; background: white; box-shadow: 0 6px 28px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
}
.paper-canvas .bleed-overlay {
    position: absolute; inset: 0; pointer-events: none;
    border: 0 solid rgba(239, 68, 68, 0.3);
    box-sizing: border-box; z-index: 2;
}
.paper-canvas .safe-zone {
    position: absolute; pointer-events: none;
    border: 1.5px dashed rgba(59, 130, 246, 0.6);
    box-sizing: border-box; z-index: 3;
}
.paper-canvas .image-area {
    width: 100%; height: 100%; position: relative; overflow: hidden;
}
.paper-canvas .image-area img {
    width: 100%; height: 100%; object-fit: contain;
}
.paper-canvas .paper-label {
    position: absolute; bottom: -28px; left: 50%; transform: translateX(-50%);
    font-size: 11px; color: var(--text-muted); white-space: nowrap;
    font-family: var(--font-mono); font-weight: 500;
}
.paper-no-image {
    width: 200px; height: 260px; display: flex; align-items: center; justify-content: center;
    flex-direction: column; gap: 10px; color: var(--text-muted); font-size: 13px;
}
.paper-no-image .placeholder-icon { font-size: 40px; opacity: 0.3; }

/* ─── Dimension Info ─── */
.dimension-info {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 18px;
}
.dim-item {
    display: flex; flex-direction: column; gap: 2px; padding: 10px 12px;
    background: var(--bg-tertiary); border-radius: var(--radius-xs); border: 1px solid var(--border);
}
.dim-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; }
.dim-value { font-size: 14px; font-weight: 700; font-family: var(--font-mono); color: var(--text-primary); }

/* ─── Quality Indicator ─── */
.quality-indicator {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    border-radius: var(--radius-sm); border: 1px solid var(--border);
    margin-top: 14px; background: var(--bg-tertiary);
}
.quality-dots { display: flex; gap: 4px; }
.quality-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--border); transition: background 0.2s;
}
.quality-dot.active.excellent { background: #34d399; }
.quality-dot.active.good { background: #a3e635; }
.quality-dot.active.fair { background: #fbbf24; }
.quality-dot.active.poor { background: #fb923c; }
.quality-dot.active.bad { background: #f87171; }
.quality-text { font-size: 14px; font-weight: 700; }
.quality-text.excellent { color: #34d399; }
.quality-text.good { color: #a3e635; }
.quality-text.fair { color: #fbbf24; }
.quality-text.poor { color: #fb923c; }
.quality-text.bad { color: #f87171; }
.quality-dpi { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); margin-left: auto; font-weight: 600; }

/* ─── Preflight Checklist ─── */
.preflight-list { display: flex; flex-direction: column; gap: 5px; }
.preflight-item {
    display: flex; align-items: center; gap: 10px; padding: 9px 12px;
    border-radius: var(--radius-xs); font-size: 13px;
    border: 1px solid var(--border); transition: var(--transition);
}
.preflight-icon {
    width: 22px; height: 22px; border-radius: 50%; display: flex;
    align-items: center; justify-content: center; font-size: 11px;
    flex-shrink: 0; font-weight: 700;
}
.preflight-item.pass .preflight-icon { background: rgba(52,211,153,0.18); color: #34d399; }
.preflight-item.warn .preflight-icon { background: rgba(251,191,36,0.18); color: #fbbf24; }
.preflight-item.fail .preflight-icon { background: rgba(248,113,113,0.18); color: #f87171; }
.preflight-item.info .preflight-icon { background: rgba(96,165,250,0.18); color: #60a5fa; }
.preflight-name { font-weight: 700; color: var(--text-secondary); min-width: 86px; font-size: 12px; }
.preflight-msg { color: var(--text-primary); flex: 1; }

/* ─── Print Settings ─── */
.paper-category-label {
    font-size: 10px; color: var(--text-muted); text-transform: uppercase;
    letter-spacing: 0.5px; font-weight: 700; padding: 6px 0 3px;
}
.paper-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.paper-chip {
    padding: 7px 10px; border: 1px solid var(--border); background: var(--bg-tertiary);
    color: var(--text-secondary); border-radius: var(--radius-xs); cursor: pointer;
    font-size: 12px; font-weight: 600; text-align: center; transition: var(--transition);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.paper-chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-subtle); }
.paper-chip.active { border-color: var(--accent); background: var(--accent-subtle); color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.paper-chip .paper-dims {
    display: block; font-size: 9px; color: var(--text-muted); font-family: var(--font-mono);
    margin-top: 2px;
}
.paper-chip.active .paper-dims { color: var(--accent); opacity: 0.7; }

.dpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.dpi-chip {
    padding: 8px 6px; border: 1px solid var(--border); background: var(--bg-tertiary);
    color: var(--text-secondary); border-radius: var(--radius-xs); cursor: pointer;
    font-size: 13px; font-weight: 700; text-align: center; transition: var(--transition);
    font-family: var(--font-mono);
}
.dpi-chip:hover { border-color: var(--accent); color: var(--accent); }
.dpi-chip.active { border-color: var(--accent); background: var(--accent-subtle); color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.dpi-chip .dpi-label {
    display: block; font-size: 9px; font-weight: 600; font-family: var(--font);
    color: var(--text-muted); margin-top: 2px;
}
.dpi-chip.active .dpi-label { color: var(--accent); opacity: 0.7; }

.orientation-toggle { display: flex; gap: 4px; }
.orient-btn {
    flex: 1; padding: 10px; border: 1px solid var(--border); background: var(--bg-tertiary);
    color: var(--text-secondary); border-radius: var(--radius-xs); cursor: pointer;
    font-size: 12px; font-weight: 700; text-align: center; transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.orient-btn:hover { border-color: var(--accent); }
.orient-btn.active { border-color: var(--accent); background: var(--accent-subtle); color: var(--accent); }
.orient-icon { display: inline-block; border: 2px solid currentColor; border-radius: 2px; }
.orient-icon.portrait { width: 13px; height: 18px; }
.orient-icon.landscape { width: 18px; height: 13px; }

.bleed-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.bleed-chip {
    padding: 8px 6px; border: 1px solid var(--border); background: var(--bg-tertiary);
    color: var(--text-secondary); border-radius: var(--radius-xs); cursor: pointer;
    font-size: 13px; font-weight: 700; text-align: center; transition: var(--transition);
}
.bleed-chip:hover { border-color: var(--accent); color: var(--accent); }
.bleed-chip.active { border-color: var(--accent); background: var(--accent-subtle); color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.fit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.fit-chip {
    padding: 8px 6px; border: 1px solid var(--border); background: var(--bg-tertiary);
    color: var(--text-secondary); border-radius: var(--radius-xs); cursor: pointer;
    font-size: 12px; font-weight: 700; text-align: center; transition: var(--transition);
}
.fit-chip:hover { border-color: var(--accent); color: var(--accent); }
.fit-chip.active { border-color: var(--accent); background: var(--accent-subtle); color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

/* ─── Export Format ─── */
.export-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.export-chip {
    padding: 9px 6px; border: 1px solid var(--border); background: var(--bg-tertiary);
    color: var(--text-secondary); border-radius: var(--radius-xs); cursor: pointer;
    font-size: 13px; font-weight: 700; text-align: center; text-transform: uppercase;
    transition: var(--transition);
}
.export-chip:hover { border-color: var(--accent); color: var(--accent); }
.export-chip.active { border-color: var(--accent); background: var(--accent-subtle); color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

/* ─── Paper Size Comparison Table ─── */
.size-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.size-table th {
    text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border);
    color: var(--text-muted); font-size: 10px; text-transform: uppercase; font-weight: 700;
}
.size-table td { padding: 6px 8px; border-bottom: 1px solid var(--border); }
.size-table tr:hover { background: var(--bg-hover); }
.size-table .quality-badge {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 10px; font-weight: 700; text-transform: uppercase;
}
.quality-badge.excellent { background: rgba(52,211,153,0.18); color: #34d399; }
.quality-badge.good { background: rgba(163,230,53,0.18); color: #a3e635; }
.quality-badge.fair { background: rgba(251,191,36,0.18); color: #fbbf24; }
.quality-badge.poor { background: rgba(251,146,60,0.18); color: #fb923c; }
.quality-badge.bad { background: rgba(248,113,113,0.18); color: #f87171; }

/* ─── Print Upload ─── */
.print-upload-zone {
    border: 2px dashed var(--border-light); border-radius: var(--radius);
    padding: 28px; text-align: center; cursor: pointer;
    transition: var(--transition); background: var(--bg-tertiary);
}
.print-upload-zone:hover, .print-upload-zone.drag-over {
    border-color: var(--accent); background: var(--accent-subtle);
}
.print-upload-zone .upload-icon { font-size: 28px; opacity: 0.4; }
.print-upload-zone .upload-text { font-size: 13px; color: var(--text-secondary); margin-top: 6px; font-weight: 500; }

/* ─── Auto-Fix Report ─── */
#autofix-report .preflight-item, #tool-result .preflight-item { margin-bottom: 4px; }
#autofix-report .dim-item, #tool-result .dim-item { padding: 8px 10px; }

/* ─── Responsive ─── */
@media (max-width: 1024px) { .print-container { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .print-container { padding: 10px; gap: 10px; } }