/* UK Companies House Search - Modern UI Styles */

/* ===== CSS Variables ===== */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --card-shadow: 0 10px 40px rgba(0,0,0,0.08);
    --card-shadow-hover: 0 20px 60px rgba(0,0,0,0.12);
    --primary-color: #667eea;
    --secondary-color: #764ba2;
}

/* ===== Base Styles ===== */
body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
    min-height: 100vh;
}

/* ===== Navbar ===== */
.navbar {
    background: var(--primary-gradient) !important;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.navbar-brand svg {
    margin-right: 10px;
}

/* ===== Cards ===== */
.card {
    border: none;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
}

.card-header {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px 20px 0 0 !important;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-header h5 {
    color: #2d3748;
    font-weight: 700;
}

.card-body {
    padding: 1.5rem;
}

/* ===== Form Styles ===== */
.form-label {
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background-color: #fff;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
    background-color: #fff;
}

.form-control::placeholder {
    color: #a0aec0;
}

/* ===== Select2 Customizations ===== */
.select2-container--bootstrap-5 .select2-selection {
    min-height: 48px;
    border-radius: 12px !important;
    border: 2px solid #e2e8f0 !important;
    padding: 0.25rem 0.5rem;
}

.select2-container--bootstrap-5.select2-container--focus .select2-selection {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15) !important;
}

.select2-container--bootstrap-5 .select2-selection--multiple .select2-selection__choice {
    background: #667eea;
    border: none;
    color: white;
    border-radius: 8px;
    padding: 4px 10px;
    font-weight: 500;
}

.select2-container--bootstrap-5 .select2-selection--multiple .select2-selection__choice__remove {
    color: white;
    opacity: 0.8;
}

.select2-container--bootstrap-5 .select2-selection--multiple .select2-selection__choice__remove:hover {
    opacity: 1;
}

/* ===== Checkboxes ===== */
.form-check-input {
    width: 1.2em;
    height: 1.2em;
    border-radius: 4px;
    border: 2px solid #cbd5e0;
    transition: all 0.2s ease;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    border-color: var(--primary-color);
}

.form-check-label {
    color: #4a5568;
}

/* ===== Search Button ===== */
#searchBtn {
    background: var(--primary-gradient);
    border: none;
    padding: 1rem 3rem;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.35);
    transition: all 0.3s ease;
    text-transform: uppercase;
}

#searchBtn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

#searchBtn:active:not(:disabled) {
    transform: translateY(-1px);
}

#searchBtn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

#searchBtn .spinner-border {
    width: 1.2rem;
    height: 1.2rem;
    margin-right: 0.5rem;
}

/* ===== Export Buttons ===== */
#exportCsvBtn {
    background: var(--success-gradient);
    border: none;
    border-radius: 12px;
    padding: 0.6rem 1.25rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(17, 153, 142, 0.3);
    transition: all 0.3s ease;
}

#exportCsvBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 153, 142, 0.4);
}

#exportExcelBtn {
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    padding: 0.6rem 1.25rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

#exportExcelBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* ===== Result Count Badge ===== */
#resultCount {
    background: var(--success-gradient);
    font-size: 1.1rem;
    padding: 0.5em 1.2em;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(17, 153, 142, 0.3);
}

/* ===== Column Selector Accordion ===== */
.column-accordion .accordion-button {
    background: transparent;
    color: #4a5568;
    font-weight: 600;
    padding: 0.75rem 0;
    box-shadow: none !important;
}

.column-accordion .accordion-button:not(.collapsed) {
    background: transparent;
    color: var(--primary-color);
}

.column-accordion .accordion-button::after {
    background-size: 1rem;
}

.column-accordion .accordion-body {
    padding: 1rem 0;
}

.column-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #718096;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}

/* ===== Table Styles ===== */
#companiesTable {
    font-size: 0.875rem;
}

#companiesTable thead th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    white-space: nowrap;
    padding: 1rem 0.75rem;
    border: none;
}

#companiesTable tbody td {
    vertical-align: middle;
    padding: 0.875rem 0.75rem;
    border-color: #e2e8f0;
}

#companiesTable tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

/* ===== Loading Overlay ===== */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-content {
    text-align: center;
    background: white;
    padding: 2.5rem 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.loading-content .spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 3px;
    color: var(--primary-color) !important;
}

.loading-content p {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1.25rem;
    color: #2d3748;
}

.loading-content small {
    color: #718096 !important;
}

/* ===== Status Colors ===== */
.status-active {
    color: #10b981;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
}

.status-dissolved {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
}

.status-liquidation {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
}

/* ===== Truncate Text ===== */
.truncate-text {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.truncate-text:hover {
    overflow: visible;
    white-space: normal;
    word-break: break-word;
}

/* ===== Footer ===== */
footer {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%) !important;
    border-top: 1px solid #e2e8f0;
}

/* ===== Badge Styles ===== */
.badge {
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: 6px;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%) !important;
    color: white !important;
}

/* ===== Button Utilities ===== */
.btn-sm {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.4rem 1rem;
}

.btn-outline-secondary {
    border: 2px solid #cbd5e0;
    color: #4a5568;
}

.btn-outline-secondary:hover {
    background: #4a5568;
    border-color: #4a5568;
    color: white;
}

/* ===== Results Section ===== */
#resultsSection {
    margin-bottom: 2rem;
}

#resultsSection .card-header {
    padding: 1rem 1.5rem;
}

/* ===== DataTables Customization ===== */
.dataTables_wrapper .dataTables_length select {
    min-width: 75px;
    border-radius: 8px;
    padding: 0.4rem 0.75rem;
}

.dataTables_wrapper .dataTables_filter input {
    min-width: 200px;
    border-radius: 8px;
    border: 2px solid #e2e8f0;
    padding: 0.4rem 0.75rem;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    outline: none;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 8px !important;
    margin: 0 2px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--primary-gradient) !important;
    border: none !important;
    color: white !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: #667eea !important;
    border: none !important;
    color: white !important;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .card-header .d-flex {
        flex-direction: column;
        gap: 1rem;
    }

    #exportCsvBtn, #exportExcelBtn {
        width: 100%;
        margin: 0.25rem 0;
    }

    #searchBtn {
        width: 100%;
        padding: 1rem;
    }

    .navbar-brand {
        font-size: 1.1rem;
    }
}

/* ===== Animations ===== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.loading-content .spinner-border {
    animation: spin 1s linear infinite;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#resultsSection {
    animation: fadeIn 0.5s ease;
}