* {
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: #f0f2f5;
    margin: 0;
    padding: 0;
}

body.filters-open {
    overflow: hidden;
}

.main-layout {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
}

/* ============================================================================ */
/* HEADER SECTION */
/* ============================================================================ */
.header-section {
    grid-column: 1 / -1;
    grid-row: 1;
}

h1 {
    text-align: center;
    margin-top: 30px;
    font-size: 2.5rem;
    color: #333;
}

#head {
    margin: 0;
}

/* ============================================================================ */
/* GITHUB RIBBON */
/* ============================================================================ */
.github-ribbon {
    position: absolute;
    top: 0;
    right: 0;
    border: 0;
    z-index: 100000;
}

/* ============================================================================ */
/* FILTERS PANEL - DESKTOP/MOBILE LAYOUT */
/* ============================================================================ */
.filter-toggle-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 20px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s;
}

.filter-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.filter-toggle-btn:active {
    transform: translateY(0);
}

.filter-close-btn {
    display: none;
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0,0,0,0.1);
    border: none;
    color: white;
    font-size: 28px;
    width: 40px;
    height: 40px;
    padding: 0;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.3s;
}

.filter-close-btn:hover {
    background: rgba(0,0,0,0.2);
}

.filters-aside {
    z-index: 1000000;
    position: sticky;
    top: 0;
    width: auto;
    max-width: 350px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    grid-column: 1;
    grid-row: 2;
    margin-top: 0;
    align-self: start;
}

.filters-content {
    max-width: 1200px;
    margin: 0 auto;
}

.filters-content h2 {
    color: white;
    text-align: center;
    margin: 0 0 25px 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.filters-section {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: flex-start;
    align-items: flex-end;
    margin-bottom: 20px;
}

.search-input-wrapper {
    width: 100%;
    position: relative;
}

#searchInput {
    width: 100%;
    padding: 12px 40px 12px 15px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

#searchInput:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #667eea;
    pointer-events: none;
}

.filter-group {
    display: flex;
    gap: 10px;
    align-items: center;
    white-space: nowrap;
    width: 100%;
    flex: 1 1 220px;
}

.filter-group label {
    color: white;
    font-weight: 500;
    margin: 0;
    text-align: left;
    flex: 0 0 auto;
}

.filter-group select {
    padding: 10px 12px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    background: white;
    cursor: pointer;
    transition: all 0.3s;
    flex: 1 1 auto;
    width: 100%;
}

.filter-group input {
    flex: 1 1 auto;
    width: 100%;
}

.filter-group select:hover {
    box-shadow: 0 0 8px rgba(255,255,255,0.3);
}

.filter-group select:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.filters-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.btn-reset {
    padding: 10px 24px;
    background: rgba(255,100,100,0.2);
    border: 2px solid rgba(255,255,255,0.5);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-reset:hover {
    background: rgba(255,100,100,0.4);
    border-color: white;
}

.btn-apply {
    padding: 10px 24px;
    background: rgba(255,255,255,0.2);
    border: 2px solid white;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-apply:hover {
    background: white;
    color: #667eea;
}

.results-info {
    text-align: center;
    color: white;
    font-size: 13px;
}

.results-info strong {
    font-weight: 600;
}

.results-info-desktop {
    text-align: center;
    color: #666;
    font-size: 13px;
}

.results-info-desktop strong {
    font-weight: 600;
}

/* ============================================================================ */
/* LOADING STATE */
/* ============================================================================ */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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

#loadingState,
#loadingStateDesktop {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* ============================================================================ */
/* MAIN CONTENT */
/* ============================================================================ */
.main-content {
    grid-column: 2;
    grid-row: 2;
    padding-left: 20px;
    padding-right: 20px;
}

.grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ============================================================================ */
/* CARDS */
/* ============================================================================ */
.card {
    position: relative;
    width: 220px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    background: #fff;
    transition: transform 0.3s, box-shadow 0.3s;
    display: none;
}

.card.visible {
    display: block;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.25);
}

.card img {
    width: 100%;
    display: block;
}

.details-box {
    padding: 10px;
    text-align: center;
}

.details-box strong {
    display: block;
    font-size: 1.1rem;
    color: #222;
}

.details-box span {
    display: block;
    color: #666;
    font-size: 0.9rem;
}

.stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #eee;
    font-size: 0.85rem;
}

.stat {
    flex: 1;
    text-align: center;
}

.stat a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.stat a:hover {
    color: #764ba2;
    text-decoration: underline;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: #999;
    margin-top: 2px;
}

/* ============================================================================ */
/* FOOTER */
/* ============================================================================ */
footer {
    text-align: center;
    padding: 20px;
    font-size: 14px;
    color: #555;
}

#flagcounter {
    position: fixed;
    bottom: 0;
    left: 0;
    width: auto;
    height: auto;
}

/* ============================================================================ */
/* RESPONSIVE - MOBILE (< 768px) */
/* ============================================================================ */
@media (max-width: 767px) {
    .main-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .header-section {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .filters-aside {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        overflow-y: auto;
        padding: 60px 20px 20px 20px;
        grid-column: unset;
        grid-row: unset;
        margin-top: 0;
        margin-bottom: 0;
        max-width: none;
    }

    .filters-aside.open {
        display: flex;
        flex-direction: column;
    }

    .filters-content {
        flex: 1;
        width: 100%;
    }

    .filter-close-btn {
        display: block;
    }

    .filter-toggle-btn {
        display: block;
    }

    .filters-section {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .search-input-wrapper {
        width: 100%;
        min-width: 100%;
        max-width: 100%;
    }

    .filter-group {
        flex-direction: column;
        align-items: stretch;
        white-space: normal;
        width: 100%;
        flex: 0 0 auto;
    }

    .filter-group label {
        margin-bottom: 5px;
        text-align: left;
    }

    .filter-group select {
        width: 100%;
        flex: 0 0 auto;
    }

    .filter-group input {
        width: 100%;
        flex: 0 0 auto;
    }

    .filters-buttons {
        flex-direction: row;
        gap: 10px;
        justify-content: space-between;
        width: 100%;
    }

    .btn-reset,
    .btn-apply {
        flex: 1;
        padding: 12px;
    }

    .btn-apply {
        order: -1;
    }

    .main-content {
        grid-column: 1;
        grid-row: 2;
    }

    .grid {
        padding: 10px;
        gap: 15px;
        width: 100%;
    }

    .card {
        width: 100%;
    }

    h1 {
        font-size: 1.8rem;
        margin: 20px 0;
    }

    .results-info-desktop {
        display: none;
    }
}

/* Fine-tune mobile card widths for small breakpoints */
@media (min-width: 401px) and (max-width: 540px) {
    .card {
        width: calc(50% - 12px);
    }
}

@media (min-width: 541px) and (max-width: 767px) {
    .card {
        width: calc(33.333% - 14px);
    }
}

/* ============================================================================ */
/* RESPONSIVE - DESKTOP (> 769px) */
/* ============================================================================ */
@media (min-width: 768px) {
    .main-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        padding-left: 320px;
    }

    .filter-toggle-btn {
        display: none !important;
    }

    .filter-close-btn {
        display: none !important;
    }

    .filters-aside {
        position: fixed;
        top: 0;
        left: 0;
        width: 320px;
        max-width: 320px;
        height: 100vh;
        overflow-y: auto;
        display: block !important;
        grid-column: 1;
        grid-row: 2;
        align-self: start;
    }

    .main-content {
        grid-column: 1;
        grid-row: 2;
    }

    .results-info {
        display: none;
    }
}