/* Instruments App Styles
 * ──────────────────────────────────────────────────────────────────
 * CSS Variable Convention (Golden Reference)
 * ──────────────────────────────────────────────────────────────────
 * - ALL colors MUST use theme.css variables (never hardcoded hex)
 * - Palette tokens:   var(--blue-400), var(--gray-200), etc.
 * - Semantic tokens:   var(--success), var(--danger), var(--warning), etc.
 * - Subtle backgrounds: color-mix(in srgb, var(--token) <opacity>%, transparent)
 * - Layout:            var(--space-*), var(--radius-*), var(--font-*)
 * ────────────────────────────────────────────────────────────────── */

/* Search input in header */
.header-actions .search-input {
    width: 180px;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: var(--bg-base);
    color: var(--text-primary);
    font-size: var(--font-sm);
}

.header-actions .search-input:focus {
    outline: none;
    border-color: var(--accent);
}

.header-actions .search-input::placeholder {
    color: var(--text-tertiary);
}

/* Filter bar layout for many filters */
.filter-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
}

.filter-bar .filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.filter-bar .filter-group input,
.filter-bar .filter-group select {
    width: 100%;
}

/* KPI Dashboard */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.kpi-card {
    position: relative;
    background: rgba(30, 30, 35, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.kpi-card:hover {
    transform: translateY(-2px);
    background: rgba(40, 40, 45, 0.6);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.kpi-card:active {
    transform: translateY(0);
}

/* Active Filter State */
.kpi-card.active {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 2px var(--bg-base), 0 0 0 4px var(--accent);
}

/* Status Colors Borders (Left Accent) */
.kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: currentColor;
}

.kpi-card.status-ok {
    color: var(--success);
}

.kpi-card.status-expiring {
    color: var(--warning);
}

.kpi-card.status-expired {
    color: var(--danger);
}

.kpi-card.status-no-date {
    color: var(--purple-500, #a855f7);
}

.kpi-card.status-not-required {
    color: var(--text-tertiary);
}

.kpi-content {
    display: flex;
    flex-direction: column;
}

.kpi-count {
    font-size: var(--font-2xl);
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.kpi-label {
    font-size: var(--font-2xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.kpi-icon {
    font-size: var(--font-xl);
    opacity: 0.2;
    transform: rotate(-10deg);
}

.kpi-card:hover .kpi-icon {
    opacity: 0.4;
    transform: rotate(0deg) scale(1.1);
    transition: all 0.3s ease;
}

/* Spacing Utilities */
.mb-4 {
    margin-bottom: var(--space-4);
}

/* Form Grid - 3 columns */
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
}

.form-grid .control-group {
    margin-bottom: 0;
}

.form-grid .control-group label {
    margin-bottom: 4px;
}

@media (max-width: 900px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Ensure inputs in form match height and style */
.form-grid .control-group input:not([type="file"]),
.form-grid .control-group select {
    width: 100%;
    height: 38px;
    padding: 0 var(--space-2);
    box-sizing: border-box;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background: var(--bg-base);
    color: var(--text-primary);
}

.form-grid .control-group input:focus,
.form-grid .control-group select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Image input group */
.image-input-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.image-filename {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Instruments List — DISABLED flex chain to allow full page scroll */
.container:has(.instruments-list) {
    display: block;
    min-height: auto;
}

.container:has(.instruments-list)>main {
    display: block;
}

.section:has(.instruments-list) {
    display: block;
}

.instruments-list {
    display: block;
    position: relative;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    /* No overflow-y: auto, No fixed min-height to allow full page scroll */
}

/* Instrument Item */
.instrument-item {
    display: flex;
    align-items: stretch;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.2s ease;
    height: 60px;
    /* Fixed height for virtualization */
    box-sizing: border-box;
    margin-bottom: var(--space-1);
}

.instrument-item:hover {
    border-color: var(--accent);
    transform: translateX(2px);
}

/* Status indicator bar */
.instrument-status-bar {
    width: 4px;
    flex-shrink: 0;
}

.instrument-status-bar.status-ok {
    background: var(--success);
}

.instrument-status-bar.status-expiring {
    background: var(--warning);
}

.instrument-status-bar.status-expired {
    background: var(--danger);
}

.instrument-status-bar.status-not-required {
    background: var(--gray-600);
}

.instrument-status-bar.status-no-date {
    background: var(--purple-500, #a855f7);
}

.instrument-status-bar.status-location-unknown {
    background: var(--warning);
}

/* Instrument image thumbnail */
.instrument-image {
    width: 80px;
    height: 100%;
    flex-shrink: 0;
    background: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-right: 1px solid var(--border-subtle);
}

.instrument-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.instrument-image .no-image {
    color: var(--text-tertiary);
    font-size: var(--font-2xs);
    text-transform: uppercase;
}

/* Main content area */
.instrument-main {
    flex: 1;
    min-width: 0;
    padding: var(--space-1) var(--space-3);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.instrument-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}

/* Instrument type badge */
.instrument-type {
    display: inline-block;
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-2xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.instrument-type.type-electrical {
    background: color-mix(in srgb, var(--blue-400) 20%, transparent);
    color: var(--blue-400);
}

.instrument-type.type-mechanical {
    background: color-mix(in srgb, var(--gray-200) 25%, transparent);
    color: var(--gray-200);
}

.instrument-type.type-thermal {
    background: color-mix(in srgb, var(--orange-300) 25%, transparent);
    color: var(--orange-300);
}

.instrument-type.type-optical {
    background: color-mix(in srgb, var(--purple-300) 25%, transparent);
    color: var(--purple-300);
}

.instrument-type.type-other {
    background: color-mix(in srgb, var(--gray-400) 25%, transparent);
    color: var(--gray-400);
}

.instrument-name {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.instrument-spec {
    font-size: var(--font-xs);
    font-weight: 500;
    color: var(--text-tertiary);
}

.instrument-model {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

.instrument-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

.instrument-meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.instrument-meta .label {
    color: var(--text-tertiary);
}

.instrument-meta .last-edited {
    color: var(--text-muted);
    font-size: var(--font-2xs);
    margin-left: auto;
}

/* Calibration info area - 2x2 Grid */
/* Calibration info area - 2x2 Grid */
.instrument-calibration {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 4px var(--space-3);
    align-items: center;
    padding: var(--space-1) var(--space-3);
    min-width: 220px;
    border-left: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.1);
}

.calibration-status {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    font-size: var(--font-2xs);
    font-weight: 600;
    text-transform: uppercase;
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    /* prevent badge from stretching full width */
    width: fit-content;
    text-align: right;
}

/* Reusing status-badge styles but ensuring they fit in the grid */
.instrument-calibration .status-badge {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    width: fit-content;
    text-align: right;
}

.calibration-expiry {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    text-align: left;
    white-space: nowrap;
}

.calibration-days {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
    font-size: var(--font-xs);
    /* Reduced from sm to fit better */
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}

.calibration-days.days-ok {
    color: var(--success);
}

.calibration-days.days-expiring {
    color: var(--warning);
}

.calibration-days.days-expired {
    color: var(--danger);
}

/* Actions area - 2x2 grid */
.instrument-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1);
    padding: var(--space-2);
    align-content: center;
}

.instrument-actions .btn {
    min-width: 40px;
    text-align: center;
}

/* Status badge */
.status-badge {
    display: inline-block;
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-2xs);
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.in-use {
    background: color-mix(in srgb, var(--blue-400) 20%, transparent);
    color: var(--blue-400);
}

.status-badge.calibration {
    background: color-mix(in srgb, var(--amber-400) 20%, transparent);
    color: var(--amber-400);
}

.status-badge.quarantined {
    background: color-mix(in srgb, var(--red-400) 20%, transparent);
    color: var(--red-400);
}

.status-badge.storage {
    background: rgba(156, 163, 175, 0.2);
    color: var(--gray-400);
}

.status-badge.location-unknown {
    background: color-mix(in srgb, var(--red-400) 20%, transparent);
    color: var(--red-400);
}


/* Workstation badges */
.workstation-badge {
    display: inline-block;
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-2xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.workstation-badge.ws-blue {
    background: rgba(59, 130, 246, 0.25);
    color: #60a5fa;
}

.workstation-badge.ws-cyan {
    background: rgba(34, 211, 238, 0.25);
    color: #22d3ee;
}

.workstation-badge.ws-orange {
    background: rgba(0, 255, 204, 0.25);
    color: #00ffcc;
}

.workstation-badge.ws-white {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.workstation-badge.ws-yellow {
    background: rgba(250, 204, 21, 0.25);
    color: #facc15;
}

.workstation-badge.ws-pink {
    background: rgba(236, 72, 153, 0.25);
    color: #f472b6;
}

.workstation-badge.ws-black {
    background: rgba(0, 0, 0, 0.6);
    color: #e5e5e5;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.workstation-badge.ws-lightgreen {
    background: rgba(134, 239, 172, 0.25);
    color: #86efac;
}

.workstation-badge.ws-default {
    background: rgba(156, 163, 175, 0.2);
    color: var(--gray-400);
}

/* Modal - Scoped to page-specific modals */

/* Details modal content */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.detail-label {
    font-size: var(--font-2xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: var(--font-sm);
    color: var(--text-primary);
}

.detail-image {
    grid-column: span 2;
    text-align: center;
    padding: var(--space-4);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.detail-image img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
    .modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .instrument-item {
        flex-wrap: wrap;
    }

    .instrument-calibration {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        border-left: none;
        border-top: 1px solid var(--border-subtle);
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .detail-image {
        grid-column: span 1;
    }

    /* Filter bar responsive - 768px */
    .filter-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-actions {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .header-actions .search-input {
        width: 100%;
        order: -1;
    }
}

@media (max-width: 480px) {

    /* Filter bar responsive - 480px */
    .filter-bar {
        grid-template-columns: 1fr;
    }

    .instrument-item {
        height: auto;
        min-height: 56px;
    }

    .instrument-image {
        width: 60px;
    }

    .instrument-header {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .instrument-actions {
        width: 100%;
        grid-template-columns: repeat(4, 1fr);
        border-top: 1px solid var(--border-subtle);
    }
}

/* ═══════════════════════════════════════════════════════════════════════ */
/* Accessibility - Color-blind friendly patterns                           */
/* ═══════════════════════════════════════════════════════════════════════ */

/* Add diagonal stripes pattern for expired status (color-blind friendly) */
.instrument-status-bar.status-expired {
    background: var(--danger);
    background-image: repeating-linear-gradient(45deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.3) 2px,
            rgba(0, 0, 0, 0.3) 4px);
}

/* Add dotted pattern for expiring soon status */
.instrument-status-bar.status-expiring {
    background: var(--warning);
    background-image: repeating-linear-gradient(-45deg,
            transparent,
            transparent 3px,
            rgba(0, 0, 0, 0.15) 3px,
            rgba(0, 0, 0, 0.15) 5px);
}

/* Legend boxes with patterns */
.legend-box-expired {
    background: var(--danger);
    background-image: repeating-linear-gradient(45deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.3) 2px,
            rgba(0, 0, 0, 0.3) 4px);
}

.legend-box-expiring {
    background: var(--warning);
    background-image: repeating-linear-gradient(-45deg,
            transparent,
            transparent 3px,
            rgba(0, 0, 0, 0.15) 3px,
            rgba(0, 0, 0, 0.15) 5px);
}

/* Focus styles for keyboard navigation */
.instrument-item:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.instrument-item:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ═══════════════════════════════════════════════════════════════════════ */
/* Loading / feedback states                                               */
/* ═══════════════════════════════════════════════════════════════════════ */
.instruments-list.loading {
    pointer-events: none;
    opacity: 0.5;
}

.instruments-list.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    background: rgba(0, 0, 0, 0.3);
    /* spinner */
    border: 3px solid var(--border-default);
    border-top-color: var(--accent);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    top: 50%;
    left: 50%;
    margin: -14px 0 0 -14px;
    inset: unset;
    animation: spin 0.6s linear infinite;
}

/* Inactive Status Styles */
.instrument-status-bar.status-inactive {
    background: var(--text-tertiary);
}

.status-badge.inactive {
    background: color-mix(in srgb, var(--text-tertiary) 20%, transparent);
    color: var(--text-tertiary);
}

.instrument-item:has(.status-inactive),
.instrument-item:has(.status-badge.inactive) {
    opacity: 0.7;
}

.instrument-item:has(.status-inactive):hover,
.instrument-item:has(.status-badge.inactive):hover {
    opacity: 1;
}

.calibration-status.status-inactive {
    color: var(--text-tertiary);
    background: color-mix(in srgb, var(--text-tertiary) 10%, transparent);
}