/* projects.css */

/* ── Loading Spinner ── */
.projects-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 16px;
    color: #555;
    font-size: 0.95em;
}

.spinner-ring {
    width: 48px;
    height: 48px;
    border: 4px solid #ddd;
    border-top-color: #00c853;
    border-radius: 50%;
    animation: spin-ring 0.9s linear infinite;
}

@keyframes spin-ring {
    to { transform: rotate(360deg); }
}

/* Year tabs skeleton pulse */
.tab-skeleton {
    display: inline-block;
    width: 64px;
    height: 36px;
    background: linear-gradient(90deg, #e0e0e0 25%, #f5f5f5 50%, #e0e0e0 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.2s ease-in-out infinite;
    border-radius: 5px;
}

@keyframes skeleton-pulse {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.projects-page {
    padding: 80px 0;
    text-align: center;
    background-color: #f8f8f8;
}

.projects-page h1 {
    font-size: 3em;
    margin-bottom: 40px;
    color: #333;
}

.year-tabs {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.tab-button {
    background-color: #eee;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1em;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.tab-button:hover,
.tab-button.active {
    background-color: #007bff;
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.project-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: left;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

/* ── Project card image: show whole image, no cropping ── */
.project-card-media {
    width: 100%;
    height: 200px;
    background: #f0f1f3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-card-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.project-card-no-image {
    width: 100%;
    height: 200px;
    background: #f0f1f3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card-no-image span {
    color: #9a9ea6;
    font-size: 0.85em;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.project-card h3 {
    font-size: 1.5em;
    margin: 15px 15px 10px;
    color: #333;
}

.project-card p {
    font-size: 0.95em;
    color: #666;
    padding: 0 15px 15px;
    line-height: 1.6;
}

.project-card .links {
    padding: 12px 15px 16px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ── Professional link buttons ── */
.project-card .links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.82em;
    font-weight: 600;
    letter-spacing: 0.03em;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    border: 2px solid transparent;
}

.project-card .links a.link-live {
    background-color: #0a8f4f;
    color: #fff;
    border-color: #0a8f4f;
}

.project-card .links a.link-live:hover {
    background-color: #076e3c;
    border-color: #076e3c;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(10, 143, 79, 0.3);
}

.project-card .links a.link-github {
    background-color: #fff;
    color: #1f2328;
    border-color: #d0d7de;
}

.project-card .links a.link-github:hover {
    background-color: #f6f8fa;
    border-color: #aab0b8;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.project-card .links a.link-video {
    background-color: #c0392b;
    color: #fff;
    border-color: #c0392b;
}

.project-card .links a.link-video:hover {
    background-color: #962d22;
    border-color: #962d22;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(192, 57, 43, 0.3);
}

/* ── Demo video embed inside card ── */
.project-card-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    display: block;
}

.project-card-video iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .projects-page h1 {
        font-size: 2.5em;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}