/* =========================================================
   Packaging Engineering App - Shared Theme
   Based on home.html visual language
   ========================================================= */

   :root {
    --app-bg: #f5f7fb;
    --app-surface: #ffffff;
    --app-surface-soft: #f8fafc;
    --app-border: #e5e7eb;
    --app-text: #0f172a;
    --app-text-muted: #64748b;
    --app-primary: #10a37f;
    --app-primary-dark: #0b7a60;
    --app-danger: #dc3545;
    --app-shadow-sm: 0 10px 24px rgba(15, 23, 42, 0.05);
    --app-shadow-md: 0 18px 36px rgba(15, 23, 42, 0.10);
    --app-shadow-lg: 0 24px 48px rgba(15, 23, 42, 0.16);
    --app-radius-lg: 1.25rem;
    --app-radius-md: 1rem;
    --app-radius-sm: 0.75rem;
}

body {
    background-color: var(--app-bg);
    color: var(--app-text);
}

/* =========================================================
   Generic page layout
   ========================================================= */

.app-page {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.app-hero {
    background: linear-gradient(135deg, #0f172a 0%, #12344d 45%, #10a37f 100%);
    color: #ffffff;
    border-radius: 1.5rem;
    padding: 1.75rem 2rem;
    box-shadow: var(--app-shadow-lg);
}

.app-hero--compact {
    padding: 1.25rem 1.5rem;
}

.app-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.9rem;
}

.app-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: #ffffff;
}

.app-subtitle {
    color: rgba(255, 255, 255, 0.80);
    margin-bottom: 0;
    max-width: 900px;
}

.app-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    align-items: center;
}

.app-card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-lg);
    box-shadow: var(--app-shadow-sm);
}

.app-card-body {
    padding: 1.5rem;
}

.app-section-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--app-text);
}

.app-section-subtitle {
    font-size: 0.95rem;
    color: var(--app-text-muted);
    margin-bottom: 1rem;
}

.app-empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--app-text-muted);
}

.app-divider {
    border: 0;
    height: 1px;
    background: var(--app-border);
    margin: 1.25rem 0;
}

/* =========================================================
   Buttons
   ========================================================= */

.btn-app-primary {
    background-color: var(--app-primary);
    border-color: var(--app-primary);
    color: #ffffff;
}

.btn-app-primary:hover,
.btn-app-primary:focus {
    background-color: var(--app-primary-dark);
    border-color: var(--app-primary-dark);
    color: #ffffff;
}

.btn-app-outline {
    border: 1px solid var(--app-border);
    background: #ffffff;
    color: var(--app-text);
}

.btn-app-outline:hover,
.btn-app-outline:focus {
    background: var(--app-surface-soft);
    color: var(--app-text);
}

/* =========================================================
   Catalogue images / thumbnails
   ========================================================= */

.app-thumb {
    width: 88px;
    height: 88px;
    object-fit: cover;
    border-radius: 1rem;
}

.app-thumb-lg {
    width: 100%;
    height: 180px;
    object-fit: contain;
    object-position: center;
    display: block;
    background: var(--app-surface-soft);
    padding: 0.75rem;
    border-bottom: 1px solid var(--app-border);
}

.app-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    color: var(--app-primary);
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border: 1px solid #cceee3;
}

.app-thumb-placeholder--small {
    width: 88px;
    height: 88px;
    font-size: 1.8rem;
}

.app-thumb-placeholder--large {
    width: 100%;
    height: 180px;
    font-size: 2rem;
}

/* =========================================================
   Forms
   ========================================================= */

.app-form-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--app-text);
    margin-bottom: 0.75rem;
}

.app-form-note {
    font-size: 0.9rem;
    color: var(--app-text-muted);
}

.app-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* =========================================================
   Tables
   ========================================================= */

.app-table-wrap {
    overflow-x: auto;
}

.app-table {
    margin-bottom: 0;
    white-space: nowrap;
}

.app-table thead th {
    font-size: 0.82rem;
    text-transform: none;
    color: #334155;
    vertical-align: middle;
}

.app-table tbody td {
    vertical-align: middle;
}

.app-table-thumb {
    width: 48px;
    height: 48px;
    object-fit: contain;
    object-position: center;
    display: block;
    padding: 0.25rem;
    border-radius: 0.75rem;
    border: 1px solid var(--app-border);
    background: var(--app-surface-soft);
}

/* =========================================================
   Filter panel
   ========================================================= */

.app-filter-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

/* =========================================================
   Alerts and helper blocks
   ========================================================= */

.app-helper-block {
    background: #f8fafc;
    border: 1px dashed var(--app-border);
    border-radius: 1rem;
    padding: 1rem;
    color: var(--app-text-muted);
}

.app-meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: #f8fafc;
    border: 1px solid var(--app-border);
    font-size: 0.82rem;
    color: var(--app-text-muted);
}

/* =========================================================
   Cards used in list/grid pages
   ========================================================= */

.app-grid-card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: 1.1rem;
    box-shadow: var(--app-shadow-sm);
    overflow: hidden;
    height: 100%;
}

.app-grid-card-body {
    padding: 1.25rem;
}

.app-grid-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.app-grid-card-text {
    color: var(--app-text-muted);
    margin-bottom: 1rem;
}

/* =========================================================
   Container selection / compact tool helpers
   ========================================================= */

.tool-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1.1fr;
    gap: 1.25rem;
}

.tool-top-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tool-field-group {
    margin-bottom: 1rem;
}

.tool-tight-gap {
    margin-top: 0.75rem;
    margin-bottom: 0.75rem;
}

.tool-compact-grid-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
}

.tool-compact-grid-three {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.9rem;
}

.tool-radio-group,
.tool-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
}

.tool-checkbox-group--inline {
    gap: 0.55rem;
}

.tool-radio-option,
.tool-check-option {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--app-border);
    border-radius: 999px;
    background: var(--app-surface-soft);
    color: var(--app-text);
    font-size: 0.9rem;
    cursor: pointer;
}

.tool-radio-option input,
.tool-check-option input {
    margin: 0;
}

.tool-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1rem;
}

.tool-summary-strip {
    margin-top: 0.85rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--app-border);
    border-radius: 1rem;
    background: var(--app-surface-soft);
}

.tool-summary-main {
    font-size: 0.95rem;
    color: var(--app-text);
    margin-bottom: 0.18rem;
}

.tool-summary-meta {
    font-size: 0.84rem;
    color: var(--app-text-muted);
}

.tool-stat-card {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--app-border);
    border-radius: 1rem;
    background: var(--app-surface-soft);
}

.tool-stat-label {
    font-size: 0.9rem;
    color: var(--app-text-muted);
}

.tool-stat-value {
    font-size: 2rem;
    line-height: 1;
    font-weight: 700;
    color: var(--app-text);
}

.tool-render-wrap {
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    border-radius: 1rem;
    padding: 0.75rem;
}

.tool-render-image {
    width: 100%;
    max-height: 360px;
    object-fit: contain;
    display: block;
    border-radius: 0.85rem;
}

.tool-row-selected {
    background: #ecfdf5 !important;
}

.tool-select-col {
    width: 1%;
    white-space: nowrap;
}

.tool-clickable-row {
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.05s ease;
}

.tool-clickable-row:hover {
    background: rgba(16, 185, 129, 0.06);
}

.tool-clickable-row:focus {
    outline: 2px solid var(--app-primary, #16a34a);
    outline-offset: -2px;
}

.tool-clickable-row td {
    vertical-align: middle;
}

@media (max-width: 991px) {
    .tool-grid-3,
    .tool-top-pair,
    .tool-compact-grid-two,
    .tool-compact-grid-three {
        grid-template-columns: 1fr;
    }
}
/* =========================================================
   Catalogue add/edit forms
   ========================================================= */

.app-styled-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.app-form-panel {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-md);
    background: var(--app-surface-soft);
    padding: 1.15rem;
}

.app-form-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.app-form-panel-icon {
    color: var(--app-primary);
    font-size: 1.25rem;
    line-height: 1;
    margin-top: 0.15rem;
}

.app-form-grid input:not([type="checkbox"]):not([type="radio"]),
.app-form-grid select,
.app-form-grid textarea {
    display: block;
    width: 100%;
    padding: 0.55rem 0.75rem;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--app-text);
    background-color: #ffffff;
    background-clip: padding-box;
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.app-form-grid input:not([type="checkbox"]):not([type="radio"]):focus,
.app-form-grid select:focus,
.app-form-grid textarea:focus {
    border-color: var(--app-primary);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(16, 163, 127, 0.14);
}

.app-form-grid input[type="file"] {
    padding: 0.45rem 0.75rem;
}

.app-checkbox-card {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 48px;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    background: #ffffff;
}

.app-checkbox-card input[type="checkbox"] {
    width: 1.05rem;
    height: 1.05rem;
    accent-color: var(--app-primary);
}

.app-current-file-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    background: #ffffff;
}

.app-current-file-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
    color: var(--app-primary);
    background: #ecfdf5;
    border: 1px solid #cceee3;
    font-size: 1.3rem;
}

.app-current-file-title {
    font-weight: 700;
    color: var(--app-text);
    margin-bottom: 0.1rem;
}