@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- DESIGN SYSTEM & CSS VARIABLES --- */
:root {
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Colors */
    --bg-primary: #f1f5f9;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    
    /* Accents & Statuses */
    --color-primary: #f97316; /* Orange */
    --color-primary-hover: #ea580c;
    --color-blue: #3b82f6; /* Blue for Total */
    --color-teal: #0d9488; /* Teal for Electric/Neumatic */
    --color-red: #ef4444; /* Red for Delete */
    --color-green: #10b981; /* Green for Stable/Others */
    
    /* Badge Colors */
    --badge-manual-bg: #fef3c7;
    --badge-manual-text: #d97706;
    --badge-electric-bg: #fee2e2;
    --badge-electric-text: #dc2626;
    --badge-pneumatic-bg: #e0f2fe;
    --badge-pneumatic-text: #0284c7;
    --badge-hydraulic-bg: #dcfce7;
    --badge-hydraulic-text: #15803d;
    
    --badge-steel-bg: #f1f5f9;
    --badge-steel-text: #475569;
    --badge-titanium-bg: #fae8ff;
    --badge-titanium-text: #a21caf;
    --badge-aluminum-bg: #e0e7ff;
    --badge-aluminum-text: #4f46e5;
    --badge-rubber-bg: #fef2f2;
    --badge-rubber-text: #b91c1c;

    /* Shadow & Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET & BASIC STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.5;
    padding: 1.5rem;
    min-height: 100vh;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Header */
header {
    margin-bottom: 0.5rem;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
}

.header-inner > div {
    flex: 1;
}

header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: -0.025em;
}

header p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Logout button */
.btn-logout {
    position: absolute;
    right: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.8rem;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-logout:hover {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: var(--color-red);
}


.site-footer {
    text-align: center;
    padding: 1.5rem 0 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
    letter-spacing: 0.01em;
}

.site-footer strong {
    color: #475569;
    font-weight: 600;
}

/* --- STATS GRID & CARDS --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.stat-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    user-select: none;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Custom card accent borders */
.stat-card.blue { border-top-color: var(--color-blue); }
.stat-card.orange { border-top-color: var(--color-primary); }
.stat-card.teal { border-top-color: var(--badge-pneumatic-text); }
.stat-card.purple { border-top-color: var(--badge-titanium-text); }
.stat-card.red { border-top-color: var(--color-red); }
.stat-card.green { border-top-color: var(--color-green); }

/* Selected filter style */
.stat-card.active {
    background-color: #fafafb;
    border-top-width: 6px;
    box-shadow: var(--shadow-md);
    outline: 2px solid rgba(59, 130, 246, 0.2);
}

.stat-card .card-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-card .card-value {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1;
    margin-top: 0.25rem;
}

.stat-card.blue .card-value { color: var(--color-blue); }
.stat-card.orange .card-value { color: var(--color-primary); }
.stat-card.teal .card-value { color: var(--badge-pneumatic-text); }
.stat-card.purple .card-value { color: var(--badge-titanium-text); }
.stat-card.red .card-value { color: var(--color-red); }
.stat-card.green .card-value { color: var(--color-green); }

/* --- MAIN PANEL --- */
.main-panel {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Title block in panel */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #334155;
}

.panel-title svg {
    color: var(--text-muted);
}

.panel-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.select-filter-type {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background-color: #f8fafc;
    color: var(--text-main);
    cursor: pointer;
    outline: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1rem;
    appearance: none;
    transition: border var(--transition-fast);
}

.select-filter-type:focus {
    border-color: var(--color-blue);
}

/* Button style matching orange photo design */
.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    padding: 0.5rem 1.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

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

.btn-primary:active {
    transform: scale(0.98);
}

/* Search bar area */
.search-bar-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    max-width: 400px;
    min-width: 250px;
}

.search-input-wrapper svg {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.2rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition-fast);
}

.search-input::placeholder {
    color: #94a3b8;
}

.search-input:focus {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn-secondary {
    background-color: #ffffff;
    border: 1px solid #fca5a5;
    color: var(--color-red);
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background-color: #fee2e2;
    border-color: var(--color-red);
}

.btn-secondary svg {
    stroke-width: 2px;
}

.records-limit-wrapper {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.records-limit-wrapper select {
    padding: 0.25rem 1.5rem 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #f8fafc;
    cursor: pointer;
    outline: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.35rem center;
    background-size: 0.75rem;
    appearance: none;
}

/* --- TABLE DESIGN --- */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.tool-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.tool-table th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.tool-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.tool-table tr:last-child td {
    border-bottom: none;
}

.tool-table tr {
    transition: background-color var(--transition-fast);
    cursor: pointer;
}

.tool-table tr:hover {
    background-color: #f8fafc;
}

.tool-table tr.selected {
    background-color: #f0f7ff;
}

.tool-id {
    font-weight: 700;
    color: #1e293b;
}

.tool-name-container {
    display: flex;
    flex-direction: column;
}

.tool-name {
    font-weight: 600;
    color: #1e293b;
    font-size: 0.925rem;
}

.tool-code {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Badge variants */
.badge.manual { background-color: var(--badge-manual-bg); color: var(--badge-manual-text); }
.badge.electric { background-color: var(--badge-electric-bg); color: var(--badge-electric-text); }
.badge.pneumatic { background-color: var(--badge-pneumatic-bg); color: var(--badge-pneumatic-text); }
.badge.hydraulic { background-color: var(--badge-hydraulic-bg); color: var(--badge-hydraulic-text); }

.badge.steel { background-color: var(--badge-steel-bg); color: var(--badge-steel-text); }
.badge.titanium { background-color: var(--badge-titanium-bg); color: var(--badge-titanium-text); }
.badge.aluminum { background-color: var(--badge-aluminum-bg); color: var(--badge-aluminum-text); }
.badge.rubber { background-color: var(--badge-rubber-bg); color: var(--badge-rubber-text); }

/* Inline Edit Controls */
.inline-edit-input {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--color-blue);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 600;
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.inline-edit-actions {
    display: flex;
    gap: 0.35rem;
    margin-top: 0.25rem;
}

.btn-inline-save, .btn-inline-cancel {
    border: none;
    background: none;
    padding: 0.2rem;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.btn-inline-save {
    color: var(--color-green);
}
.btn-inline-save:hover {
    background-color: #dcfce7;
}

.btn-inline-cancel {
    color: var(--color-red);
}
.btn-inline-cancel:hover {
    background-color: #fee2e2;
}

/* Action buttons in Table */
.actions-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background-color: #f1f5f9;
    color: #1e293b;
    border-color: #cbd5e1;
}

.action-btn.delete-btn:hover {
    background-color: #fee2e2;
    color: var(--color-red);
    border-color: #fca5a5;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state svg {
    margin-bottom: 0.75rem;
    color: #cbd5e1;
}

/* --- DETAILS PANEL --- */
.details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .details-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.details-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.details-title-row {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.details-title-row h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
}

.details-title-row h3 span {
    color: var(--color-blue);
}

.details-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

/* Detail Table styling matching the photo list */
.details-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.details-table th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    padding: 0.5rem 0.75rem;
    background-color: #f8fafc;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.details-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.details-table tr:last-child td {
    border-bottom: none;
}

.details-table td.label-cell {
    font-weight: 700;
    color: #1e293b;
    width: 35%;
}

.details-table td.value-cell {
    color: #334155;
}

/* --- MODAL WINDOW --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
    overflow: hidden;
}

.modal-overlay.open .modal-content {
    transform: scale(1);
}

.modal-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1e293b;
}

.btn-close-modal {
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.btn-close-modal:hover {
    background-color: #e2e8f0;
    color: var(--text-main);
}

.modal-body {
    padding: 1.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.35rem;
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    background-color: #f8fafc;
}

.btn-cancel {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: #475569;
    padding: 0.5rem 1.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-cancel:hover {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    body {
        padding: 1rem;
    }
    
    .panel-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .panel-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-bar-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-input-wrapper {
        max-width: none;
    }
    
    .records-limit-wrapper {
        justify-content: flex-end;
    }
}