/* Certificate Container Styling */
.certificate-container {
    margin-top: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 80vh;
    padding: 30px 15px;
    position: relative;
}

/* Page Header Styling */
.page-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    border: 1px solid #e9ecef;
}

.page-header h1 {
    color: #2c3e50;
    font-weight: 700;
    font-size: 2.5rem;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    padding-bottom: 15px;
}

/* Status Alert Styling */
.certificate-status-alert {
    border-radius: 15px;
    padding: 25px 30px;
    margin-bottom: 35px;
    border: none;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.certificate-status-alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: currentColor;
}

.certificate-status-alert .alert-content {
    flex: 1;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border-left: 5px solid #28a745;
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border-left: 5px solid #dc3545;
    color: #721c24;
}

.certificate-status-alert i {
    margin-right: 20px;
    margin-top: 0;
    font-size: 2.5rem;
    opacity: 0.8;
    flex-shrink: 0;
}

.certificate-status-alert h4 {
    font-size: 1.4rem;
    margin: 0 0 8px 0;
    font-weight: 700;
}

.certificate-status-alert p {
    margin: 0;
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Certificate Images Styling */
.certificate-images {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    border: 1px solid #e9ecef;
    margin-bottom: 25px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    align-items: flex-start;
}

.certificate-images-col h4 {
    text-align: center;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 1.3rem;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 10px;
}

.image-item {
    flex: 0 1 auto;
    text-align: center;
}

.certificate-images .thumbnail {
    border: 3px solid #e9ecef;
    border-radius: 12px;
    padding: 8px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    display: inline-block;
    max-width: 100%;
}

.certificate-images .thumbnail::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.certificate-images .thumbnail:hover {
    border-color: #007bff;
    box-shadow: 0 8px 30px rgba(0,123,255,0.3);
    transform: translateY(-2px);
}

.certificate-images .thumbnail:hover::before {
    left: 100%;
}

.certificate-images .thumbnail img {
    border-radius: 6px;
    max-width: 100%;
    height: auto;
    display: block;
    max-height: 250px;
    width: auto;
}

/* Certificate Info Panel Styling */
.certificate-info .panel {
    border-radius: 15px;
    border: none;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    margin-bottom: 25px;
    overflow: hidden;
    background: white;
}

.certificate-info .panel-heading {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border: none;
    padding: 20px 25px;
    color: white;
}

.certificate-info .panel-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

.certificate-info .panel-title i {
    margin-right: 12px;
    font-size: 1.2rem;
}

.certificate-info .panel-body {
    padding: 30px 25px;
    background: white;
}

/* Disclaimers Panel */
.disclaimers-panel {
    border-radius: 15px;
    border: none;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    background: white;
}

.disclaimers-panel .panel-heading {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border: none;
    padding: 20px 25px;
    color: white;
}

.disclaimers-panel .panel-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

.disclaimers-panel .panel-title i {
    margin-right: 12px;
}

.disclaimers-panel .panel-body {
    padding: 30px 25px;
}

/* Definition List Styling */
.dl-horizontal {
    display: grid;
    grid-template-columns: 200px 1fr;
    row-gap: 15px;
    column-gap: 20px;
    margin: 0;
}

.dl-horizontal dt {
    margin: 0;
    padding: 8px 0;
    font-weight: 600;
    color: #495057;
    word-wrap: break-word;
}

.dl-horizontal dd {
    margin: 0;
    padding: 8px 0;
    border-bottom: 1px solid #f8f9fa;
    color: #2c3e50;
    word-wrap: break-word;
}

.dl-horizontal dd:last-of-type {
    border-bottom: none;
}

.certificate-info dd strong {
    color: #2c3e50;
    font-weight: 700;
}

.certificate-info dd code {
    background: #f8f9fa;
    color: #e83e8c;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    border: 1px solid #e9ecef;
    font-weight: 600;
    word-break: break-all;
}

.certificate-info .label {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
}

.certificate-info .label-default {
    background: #6c757d;
    color: white;
}

/* Disclaimer List */
.disclaimer-list {
    margin: 0;
    padding: 0;
}

.disclaimer-list li {
    padding: 8px 0;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
}

.disclaimer-list i.fa {
    margin-right: 8px;
    margin-top: 4px;
    flex-shrink: 0;
}

/* Button Styling */
.btn-primary {
    width: auto;
    height: 50px;
    background: #2D2D2D;
    color: #fff;
    transition: 0.3s;
    border: 1px solid transparent;
    margin: 0 auto;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
}

.btn-primary:hover {
    border: 1px solid #2D2D2D;
    background: transparent;
    color: #2D2D2D;
}

/* Animation for page load */
.certificate-container,
.certificate-search-container {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hover effects for panels */
.certificate-info .panel,
.disclaimers-panel {
    transition: all 0.3s ease;
}

.certificate-info .panel:hover,
.disclaimers-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

/* Security badge effect */
.certificate-status-alert {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    }
    50% {
        box-shadow: 0 8px 25px rgba(0,0,0,0.25);
    }
}

/* ============================================
   CERTIFICATE SEARCH PAGE STYLES
   ============================================ */

/* Search Container */
.certificate-search-container {
    margin-top: 30px;
    padding: 30px 15px;
}

/* Search Panel */
.certificate-search-panel {
    margin-top: 30px;
    border-radius: 15px;
    border: none;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    overflow: hidden;
}

.certificate-search-panel .panel-body {
    padding: 30px;
}

/* Search Input Styling */
.certificate-code-input {
    font-family: 'Courier New', monospace;
    font-size: 18px;
    letter-spacing: 1px;
    height: 46px;
    border: 2px solid #767676;
    border-radius: 4px 0 0 4px;
    transition: border-color 0.3s ease;
}

.certificate-code-input:focus {
    border-color: #2D2D2D;
    box-shadow: none;
}

.search-input-group {
    position: relative;
}

.search-input-group .input-group-btn .btn {
    height: 46px;
    padding: 10px 30px;
    border-radius: 0 4px 4px 0;
}

/* Clear Button */
#clear-input {
    position: absolute;
    right: 120px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #999;
    z-index: 10;
    font-size: 18px;
    transition: color 0.3s ease;
}

#clear-input:hover {
    color: #333;
}

/* Form Group Required Indicator */
.form-group.required .control-label:before {
    content: '* ';
    color: #F00;
    font-weight: bold;
}

/* Help Text */
.help-block {
    color: #737373;
    font-size: 13px;
    margin-top: 10px;
}

.help-block .fa {
    margin-right: 5px;
}

/* Info Panel */
.certificate-info-panel {
    margin-top: 30px;
    border-radius: 15px;
    border: none;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    overflow: hidden;
}

.certificate-info-panel .panel-heading {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    border: none;
    padding: 20px 25px;
    color: white;
}

.certificate-info-panel .panel-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

.certificate-info-panel .panel-title .fa {
    margin-right: 10px;
}

.certificate-info-panel .panel-body {
    padding: 25px;
}

.certificate-info-panel .panel-body p {
    margin-bottom: 15px;
    font-size: 1rem;
}

/* Verification Steps */
.verification-steps {
    margin-top: 15px;
    line-height: 1.8;
    padding-left: 20px;
}

.verification-steps li {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

/* Alert Messages */
.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    margin-top: 20px;
    border: 1px solid transparent;
    border-radius: 10px;
    position: relative;
    animation: slideDown 0.3s ease-out;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.alert .fa {
    margin-right: 8px;
}

.alert-success {
    background: linear-gradient(135deg, #dff0d8 0%, #d0e9c6 100%);
    border-color: #d6e9c6;
    color: #3c763d;
}

.alert-info {
    background: linear-gradient(135deg, #d9edf7 0%, #c4e3f3 100%);
    border-color: #bce8f1;
    color: #31708f;
}

.alert-warning {
    background: linear-gradient(135deg, #fcf8e3 0%, #faf2cc 100%);
    border-color: #faebcc;
    color: #8a6d3b;
}

.alert-danger {
    background: linear-gradient(135deg, #f2dede 0%, #ebcccc 100%);
    border-color: #ebccd1;
    color: #a94442;
}

.alert-dismissible {
    padding-right: 35px;
}

.alert-dismissible .close {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    color: inherit;
    background: none;
    border: none;
    font-size: 21px;
    font-weight: 700;
    line-height: 1;
    opacity: 0.5;
    cursor: pointer;
    padding: 0;
}

.alert-dismissible .close:hover,
.alert-dismissible .close:focus {
    opacity: 0.8;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

/* Desktop - maintain original layout */
@media (min-width: 992px) {
    .certificate-images-col {
        padding-right: 15px;
    }

    .certificate-info-col {
        padding-left: 15px;
    }

    /* Keep images in a horizontal row on desktop */
    .certificate-images {
        flex-direction: row;
        justify-content: center;
    }

    .image-item {
        flex: 0 1 auto;
    }
}

/* Tablet View (768px - 991px) */
@media (max-width: 991px) {
    .certificate-container,
    .certificate-search-container {
        padding: 20px 15px;
    }

    .certificate-search-panel .panel-body {
        padding: 25px 20px;
    }

    .certificate-code-input {
        font-size: 16px;
    }

    .search-input-group .input-group-btn .btn {
        padding: 10px 25px;
    }

    .page-header {
        margin-bottom: 30px;
        padding: 15px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .certificate-status-alert {
        padding: 20px;
        margin-bottom: 25px;
    }

    .certificate-images {
        padding: 20px;
        flex-direction: column;
        gap: 15px;
    }

    .image-item {
        flex: 1 1 100%;
    }

    .certificate-images-col,
    .certificate-info-col {
        padding-left: 15px;
        padding-right: 15px;
        margin-bottom: 20px;
    }

    .dl-horizontal {
        grid-template-columns: 160px 1fr;
        row-gap: 12px;
    }

    .disclaimers-panel .panel-body {
        padding: 20px;
    }
}

/* Mobile View (576px - 767px) */
@media (max-width: 767px) {
    .certificate-container,
    .certificate-search-container {
        padding: 15px 10px;
        margin-top: 15px;
    }

    .certificate-search-panel,
    .certificate-info-panel {
        border-radius: 10px;
    }

    .certificate-search-panel .panel-body {
        padding: 20px 15px;
    }

    .certificate-info-panel .panel-body {
        padding: 20px 15px;
    }

    .certificate-info-panel .panel-heading {
        padding: 15px;
    }

    .certificate-info-panel .panel-title {
        font-size: 1.1rem;
    }

    /* Form adjustments */
    .form-horizontal .form-group .col-sm-3,
    .form-horizontal .form-group .col-sm-9 {
        width: 100%;
        padding: 0;
    }

    .form-horizontal .control-label {
        text-align: left;
        margin-bottom: 10px;
        padding: 0;
    }

    .certificate-code-input {
        font-size: 16px;
        height: 44px;
        border-radius: 4px;
    }

    .search-input-group {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .search-input-group .form-control {
        border-radius: 4px !important;
    }

    .search-input-group .input-group-btn {
        display: block;
        width: 100%;
    }

    .search-input-group .input-group-btn .btn {
        width: 100%;
        height: 44px;
        border-radius: 4px !important;
        padding: 10px 20px;
    }

    .search-input-group .btn-text {
        display: inline;
    }

    #clear-input {
        right: 15px;
        top: 22px;
        transform: none;
    }

    .alert {
        padding: 12px 15px;
        font-size: 0.9rem;
    }

    .verification-steps {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .verification-steps li {
        margin-bottom: 8px;
    }

    .page-header {
        margin-bottom: 20px;
        padding: 15px 10px;
        border-radius: 10px;
    }

    .page-header h1 {
        font-size: 1.5rem;
        padding-bottom: 12px;
    }

    /* Status Alert Mobile */
    .certificate-status-alert {
        padding: 15px;
        margin-bottom: 20px;
        border-radius: 10px;
        flex-direction: row;
        align-items: flex-start;
    }

    .certificate-status-alert i {
        font-size: 2rem;
        margin-right: 15px;
    }

    .certificate-status-alert h4 {
        font-size: 1.1rem;
        margin-bottom: 5px;
    }

    .certificate-status-alert p {
        font-size: 0.95rem;
    }

    /* Images Mobile */
    .certificate-images {
        padding: 15px;
        margin-bottom: 15px;
        flex-direction: column;
        gap: 15px;
    }

    .certificate-images-col h4 {
        font-size: 1.1rem;
        margin-bottom: 15px;
        padding-bottom: 8px;
    }

    .image-item {
        flex: 1 1 100%;
    }

    .certificate-images .thumbnail {
        padding: 6px;
        border-width: 2px;
    }

    .certificate-images .thumbnail img {
        max-height: none;
    }

    /* Certificate Info Mobile */
    .certificate-info .panel {
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .certificate-info .panel-heading {
        padding: 15px;
    }

    .certificate-info .panel-title {
        font-size: 1.1rem;
    }

    .certificate-info .panel-title i {
        margin-right: 8px;
        font-size: 1rem;
    }

    .certificate-info .panel-body {
        padding: 15px;
    }

    /* Definition List Mobile - Stack Vertically */
    .dl-horizontal {
        display: block;
    }

    .dl-horizontal dt {
        width: 100%;
        padding: 8px 0 4px 0;
        font-weight: 700;
        color: #2c3e50;
    }

    .dl-horizontal dd {
        width: 100%;
        padding: 4px 0 12px 0;
        margin-left: 0;
        border-bottom: 1px solid #e9ecef;
        margin-bottom: 8px;
    }

    .dl-horizontal dd:last-of-type {
        border-bottom: none;
        margin-bottom: 0;
    }

    .certificate-info dd code {
        padding: 4px 8px;
        font-size: 0.85rem;
        display: inline-block;
    }

    /* Disclaimers Mobile */
    .disclaimers-panel {
        border-radius: 10px;
    }

    .disclaimers-panel .panel-heading {
        padding: 15px;
    }

    .disclaimers-panel .panel-title {
        font-size: 1.1rem;
    }

    .disclaimers-panel .panel-body {
        padding: 15px;
    }

    .disclaimer-list li {
        padding: 6px 0;
        font-size: 0.9rem;
    }

    /* Buttons Mobile */
    .btn-primary {
        width: 100%;
        height: auto;
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    /* Disable hover animations on mobile */
    .certificate-info .panel:hover,
    .disclaimers-panel:hover {
        transform: none;
    }

    .certificate-images .thumbnail:hover {
        transform: none;
    }
}

/* Small Mobile View (max 575px) */
@media (max-width: 575px) {
    .certificate-container,
    .certificate-search-container {
        padding: 10px 8px;
    }

    .certificate-search-panel .panel-body,
    .certificate-info-panel .panel-body {
        padding: 15px 10px;
    }

    .certificate-code-input {
        font-size: 14px;
        height: 42px;
    }

    .search-input-group .input-group-btn .btn {
        height: 42px;
        font-size: 0.9rem;
    }

    .certificate-info-panel .panel-title {
        font-size: 1rem;
    }

    .verification-steps {
        font-size: 0.85rem;
        padding-left: 15px;
    }

    .page-header {
        padding: 12px 8px;
    }

    .page-header h1 {
        font-size: 1.3rem;
    }

    .certificate-status-alert {
        padding: 12px;
        border-radius: 8px;
    }

    .certificate-status-alert i {
        font-size: 1.5rem;
        margin-right: 10px;
    }

    .certificate-status-alert h4 {
        font-size: 1rem;
    }

    .certificate-status-alert p {
        font-size: 0.9rem;
    }

    .certificate-images,
    .certificate-info .panel-body,
    .disclaimers-panel .panel-body {
        padding: 20px;
    }

    .certificate-images-col h4 {
        font-size: 1rem;
    }

    .certificate-info .panel-title,
    .disclaimers-panel .panel-title {
        font-size: 1rem;
    }

    .dl-horizontal dt {
        font-size: 0.9rem;
    }

    .dl-horizontal dd {
        font-size: 0.9rem;
    }

    .disclaimer-list li {
        font-size: 0.85rem;
    }
}

/* Very Small Mobile (max 400px) */
@media (max-width: 400px) {
    .page-header h1 {
        font-size: 1.2rem;
    }

    .certificate-status-alert h4 {
        font-size: 0.95rem;
    }

    .certificate-status-alert p {
        font-size: 0.85rem;
    }

    .certificate-info .panel-title,
    .disclaimers-panel .panel-title {
        font-size: 0.95rem;
    }

    /* Search Page Very Small Mobile */
    .certificate-code-input {
        font-size: 13px;
        letter-spacing: 0.5px;
    }

    .search-input-group .input-group-btn .btn {
        font-size: 0.85rem;
        padding: 10px 15px;
    }

    .certificate-info-panel .panel-title {
        font-size: 0.95rem;
    }
}

@media screen and (max-width: 576px) {
    .certificate-container,
    .certificate-search-container {
        padding-top: 175px;
    }
}


/* Fix for Bootstrap pull-left on mobile */
@media (max-width: 767px) {
    .certificate-status-alert .pull-left {
        float: none !important;
    }
}

/* Print Styles */
@media print {
    .certificate-container {
        background: white;
        padding: 0;
    }

    .certificate-status-alert {
        animation: none;
        box-shadow: none;
    }

    .certificate-info .panel:hover,
    .disclaimers-panel:hover {
        transform: none;
        box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    }
}