/* ========== BUILDER PAGE LAYOUT ========== */
.builder-container {
    display: grid;
    grid-template-columns: 300px 1fr 320px;
    gap: 1.5rem;
    max-width: 1600px;
    margin: 2rem auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

/* ========== PANELS ========== */
.traits-panel,
.champions-panel {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9), rgba(20, 20, 20, 0.95));
    border: 2px solid rgba(244, 197, 66, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(244, 197, 66, 0.2);
}

.panel-header h3 {
    color: #f4c542;
    font-size: 1.2rem;
    font-weight: 700;
}

.stats {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: #fff;
    font-weight: 600;
}

/* ========== BOARD SECTION ========== */
.board-section {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.85), rgba(15, 15, 15, 0.9));
    border: 2px solid rgba(244, 197, 66, 0.3);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.build-name-input {
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid #2a2a2a;
    border-radius: 8px;
    padding: 0.7rem 1rem;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    width: 300px;
    transition: all 0.3s ease;
}

.build-name-input:focus {
    outline: none;
    border-color: #f4c542;
    box-shadow: 0 0 20px rgba(244, 197, 66, 0.2);
}

.board-controls {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    background: rgba(26, 26, 26, 0.9);
    border: 2px solid #2a2a2a;
    border-radius: 8px;
    width: 40px;
    height: 40px;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    border-color: #f4c542;
    background: rgba(244, 197, 66, 0.1);
    transform: translateY(-2px);
}

.btn-save {
    background: linear-gradient(135deg, #f4c542, #ff8000);
    border: none;
    border-radius: 8px;
    padding: 0.7rem 1.5rem;
    color: #000;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(244, 197, 66, 0.3);
}

.btn-save:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(244, 197, 66, 0.5);
}

/* ========== HEXAGON BOARD ========== */
.hexagon-board {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem;
    background: radial-gradient(circle, rgba(244, 197, 66, 0.05) 0%, transparent 70%);
    border-radius: 12px;
}

.hex-cell {
    width: 90px;
    height: 90px;
    background: rgba(30, 30, 30, 0.6);
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.hex-cell:hover {
    background: rgba(244, 197, 66, 0.1);
    border-color: rgba(244, 197, 66, 0.5);
    transform: scale(1.05);
}

.hex-cell.occupied {
    background: rgba(244, 197, 66, 0.15);
    border-color: #f4c542;
}

.hex-cell.drag-over {
    background: rgba(244, 197, 66, 0.3);
    border-color: #f4c542;
    box-shadow: 0 0 20px rgba(244, 197, 66, 0.4);
}

.hex-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
}

.hex-cell .remove-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ff4757;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 10;
}

.hex-cell.occupied:hover .remove-btn {
    display: flex;
}

/* ========== CHAMPIONS GRID ========== */
.search-input {
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid #2a2a2a;
    border-radius: 8px;
    padding: 0.6rem 1rem;
    color: #fff;
    width: 100%;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #f4c542;
    box-shadow: 0 0 15px rgba(244, 197, 66, 0.2);
}

.cost-filters {
    display: flex;
    gap: 0.4rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.cost-filter {
    flex: 1;
    min-width: 45px;
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid #2a2a2a;
    border-radius: 6px;
    padding: 0.5rem;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cost-filter:hover {
    border-color: #f4c542;
    background: rgba(244, 197, 66, 0.1);
}

.cost-filter.active {
    background: linear-gradient(135deg, #f4c542, #ff8000);
    color: #000;
    border-color: #f4c542;
}

.champions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
    max-height: calc(100vh - 350px);
    overflow-y: auto;
    padding-right: 0.5rem;
}

.champions-grid::-webkit-scrollbar {
    width: 8px;
}

.champions-grid::-webkit-scrollbar-track {
    background: rgba(26, 26, 26, 0.5);
    border-radius: 4px;
}

.champions-grid::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #f4c542, #ff8000);
    border-radius: 4px;
}

.champ-item {
    width: 80px;
    height: 80px;
    position: relative;
    cursor: grab;
    transition: all 0.2s ease;
}

.champ-item:active {
    cursor: grabbing;
}

.champ-item:hover {
    transform: scale(1.1);
    filter: brightness(1.2);
    z-index: 10;
}

.champ-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.champ-item .cost-badge {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    color: #fff;
    min-width: 24px;
    height: 18px;
    padding: 0 4px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    border: 2px solid;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    z-index: 2;
}

/* ========== TRAITS LIST ========== */
.traits-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.trait-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(26, 26, 26, 0.6);
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.trait-item.active {
    border-color: #f4c542;
    background: rgba(244, 197, 66, 0.1);
}

.trait-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(244, 197, 66, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.trait-info {
    flex: 1;
}

.trait-name {
    font-weight: 600;
    color: #fff;
    font-size: 0.9rem;
}

.trait-count {
    color: #f4c542;
    font-weight: 700;
    font-size: 1rem;
}

.placeholder {
    text-align: center;
    color: #666;
    padding: 2rem 1rem;
    font-size: 0.9rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1400px) {
    .builder-container {
        grid-template-columns: 280px 1fr 280px;
    }

    .hex-cell {
        width: 75px;
        height: 75px;
    }
}

@media (max-width: 1200px) {
    .builder-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .board-section {
        order: 1;
    }

    .champions-panel {
        order: 2;
    }

    .traits-panel {
        order: 3;
    }
}