/* ==========================================================================
   Random Projects Styles - Updated with Brand Colors
   ========================================================================== */

/* ==========================================================================
   Loading & Error States
   ========================================================================== */
.projects-loading,
.projects-error,
.no-projects {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-medium-gray);
}

.projects-loading h3,
.projects-error h3,
.no-projects h3 {
    margin: 1rem 0 0.5rem 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.projects-loading p,
.projects-error p,
.no-projects p {
    margin: 0.5rem 0 1.5rem 0;
    font-size: 1rem;
    opacity: 0.8;
    color: var(--color-text-body);
}

.projects-error i,
.no-projects i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: block;
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-light-gray);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Projects Grid Layout
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 1.5rem 0;
    }
}

/* ==========================================================================
   Project Card Styles
   ========================================================================== */
.project-card {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: var(--transition-all);
    border: 1px solid var(--color-border-light);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

/* ==========================================================================
   Project Preview Styles
   ========================================================================== */
.project-preview {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

/* Image Preview */
.project-image-preview {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-image-preview:hover .project-image {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(63, 83, 72, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.project-image-preview:hover .project-overlay {
    opacity: 1;
}

.project-overlay i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.project-overlay span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* PDF Preview */
.project-pdf-preview,
.project-document-preview {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s ease;
}

.project-pdf-preview:hover,
.project-document-preview:hover {
    background: linear-gradient(135deg, var(--color-accent-dark), var(--color-secondary-dark));
}

.pdf-icon,
.document-icon {
    color: var(--color-white);
    font-size: 3rem;
    opacity: 0.9;
}

.pdf-overlay,
.document-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-pdf-preview:hover .pdf-overlay,
.project-document-preview:hover .document-overlay {
    opacity: 1;
}

.pdf-overlay i,
.document-overlay i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pdf-overlay span,
.document-overlay span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Image Error State */
.project-image-preview.image-error {
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image-preview.image-error::before {
    content: '\f03e';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 2rem;
    color: var(--color-light-gray);
}

/* ==========================================================================
   Project Info Styles
   ========================================================================== */
.project-info {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-heading);
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
    font-family: var(--font-heading);
}

.project-student {
    font-size: 0.9rem;
    color: var(--color-medium-gray);
    margin: 0 0 1rem 0;
    font-style: italic;
    font-family: var(--font-body);
}

.project-description-preview {
    margin-bottom: 1rem;
}

.project-description-short {
    font-size: 0.9rem;
    color: var(--color-text-body);
    line-height: 1.5;
    margin: 0;
    font-family: var(--font-body);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==========================================================================
   Project Actions
   ========================================================================== */
.project-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: var(--btn-border-radius);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-all);
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--color-primary);
    color: #1a1a1a; /* Much darker text for better contrast */
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: #1a1a1a; /* Keep the dark text on hover */
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(243, 153, 43, 0.3);
}

.btn-secondary {
    background: var(--color-medium-gray);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-secondary);
    color: var(--color-white); /* Keep white text - this should be fine on the green-gray */
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(109, 103, 81, 0.3);
}

/* ==========================================================================
   Refresh Note
   ========================================================================== */
.projects-refresh-note {
    text-align: center;
    margin-top: 2rem;
    padding: 1rem;
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
}

.projects-refresh-note i {
    color: var(--color-success);
    margin-right: 0.5rem;
}

.projects-refresh-note span {
    color: var(--color-text-body);
    font-size: 0.9rem;
    font-style: italic;
    font-family: var(--font-body);
}

/* ==========================================================================
   Project Modal Styles
   ========================================================================== */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.project-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-overlay);
    cursor: pointer;
}

.project-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.project-modal.active .project-modal-content {
    transform: scale(1);
}

.project-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: var(--color-white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.project-modal-close:hover {
    background: rgba(0, 0, 0, 0.9);
}

#modal-project-image {
    max-width: 100%;
    max-height: 80vh;
    display: block;
}

.project-modal-info {
    padding: 1rem 1.5rem;
    background: var(--color-white);
}

#modal-project-title {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-heading);
    font-family: var(--font-heading);
}

/* ==========================================================================
   Description Modal Styles
   ========================================================================== */
.project-description-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 2rem;
}

.project-description-modal.active {
    opacity: 1;
    visibility: visible;
}

.project-description-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-overlay);
    cursor: pointer;
}

.project-description-modal-content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.project-description-modal.active .project-description-modal-content {
    transform: scale(1);
}

.project-description-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.project-description-modal-header h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

.project-description-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--color-white);
    width: 35px;
    height: 35px;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.project-description-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.project-description-modal-body {
    padding: 2rem;
}

.project-description-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.project-description-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
}

.project-description-meta i {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.project-description-meta span {
    color: var(--color-secondary);
    font-weight: 600;
    font-family: var(--font-body);
}

.project-description-text {
    color: var(--color-text-body);
    line-height: 1.6;
    font-family: var(--font-body);
    font-size: 1rem;
    white-space: pre-wrap;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .project-info {
        padding: 1rem;
    }
    
    .project-actions {
        flex-direction: column;
    }
    
    .btn-small {
        justify-content: center;
        text-align: center;
    }
    
    .projects-refresh-note {
        margin-top: 1.5rem;
        padding: 0.75rem;
    }
    
    .project-modal-content {
        max-width: 95vw;
        max-height: 95vh;
        margin: 0 1rem;
    }
    
    .project-modal-close {
        top: 0.5rem;
        right: 0.5rem;
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .project-description-modal {
        padding: 1rem;
    }
    
    .project-description-modal-header {
        padding: 1rem 1.5rem;
    }
    
    .project-description-modal-body {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .project-preview {
        height: 180px;
    }
    
    .project-title {
        font-size: 1.1rem;
    }
    
    .project-description-modal-header {
        padding: 1rem;
    }
    
    .project-description-modal-body {
        padding: 1rem;
    }
    
    .project-description-modal-header h3 {
        font-size: 1.3rem;
    }
}

/* ==========================================================================
   Animation Enhancements
   ========================================================================== */
.project-card {
    animation: fadeInUp 0.6s ease forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }

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

/* ==========================================================================
   Accessibility Improvements
   ========================================================================== */
.project-card:focus-within {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-small:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.project-modal-close:focus,
.project-description-modal-close:focus {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .project-modal,
    .project-description-modal,
    .projects-refresh-note {
        display: none;
    }
    
    .project-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--color-border);
    }
    
    .project-actions {
        display: none;
    }
}