/* Component Styles */

/* Header */
header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInDown 0.8s ease-out;
}

@media (max-width: 768px) {
    header {
        margin-bottom: 20px;
    }
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.logo-img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    background: var(--card-bg);
    padding: 10px;
    backdrop-filter: blur(10px);
}

.logo-text {
    text-align: left;
}

@media (max-width: 768px) {
    .logo-container {
        flex-direction: column;
        gap: 10px;
    }

    .logo-img {
        width: 80px;
        height: 80px;
    }

    .logo-text {
        text-align: center;
    }
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Buttons */
.btn-size,
.tab-btn {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.btn-size:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

.btn-size.active,
.tab-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    /* Ensure text is white */
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.tab-btn {
    color: var(--text-secondary);
    background: var(--card-bg);
    padding: 10px 20px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.tab-btn.active {
    background: rgba(255, 255, 255, 0.1);
    /* style.css had this overlay, but active has specific color above */
    color: var(--text-primary);
    border-color: var(--accent-color);
}

/* Tabs Container */
.tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .tabs {
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 100%;
        max-width: 400px;
    }

    .tab-btn {
        width: 100%;
        padding: 12px 5px;
        font-size: 0.95rem;
    }

    .tab-btn {
        width: 100%;
        padding: 12px 5px;
        font-size: 0.95rem;
    }
}

/* Palette Tabs (Sidebar) */
.palette-tabs {
    display: flex;
    gap: 5px;
    background: rgba(255, 255, 255, 0.05);
    padding: 5px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.palette-tab {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.palette-tab.active {
    background: var(--glass-border);
    color: var(--text-primary);
    font-weight: bold;
}

/* Cards */
.poly-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    backdrop-filter: blur(5px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.poly-card:hover {
    transform: scale(1.05);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.series-title-main {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.series-title-sub {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.poly-card h3 {
    margin: 10px 0 5px;
    text-align: center;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.2s ease;
    opacity: 0;
    transform: translateY(-5px);
}

.poly-card:hover .copy-btn {
    opacity: 1;
    transform: translateY(0);
}

.copy-btn:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    transform: scale(1.1);
}

.copy-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.copy-btn.copied {
    background: var(--accent-color);
    color: #000;
}

@media (max-width: 768px) {
    .poly-card {
        padding: 5px;
        border-radius: 12px;
    }

    .level-list .poly-card {
        aspect-ratio: auto;
        min-height: 120px;
        padding: 15px 10px;
    }

    .poly-info {
        display: none;
    }

    .level-list .poly-info {
        display: block;
        /* Show title in series list */
    }
}

.poly-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Generic Visual Grid */
.visual-grid {
    display: grid;
    gap: 2px;
    margin-bottom: 15px;
}

/* Blocks */
.block {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.block.filled {
    background-color: var(--accent-gradient);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.2);
}

.block.empty {
    background: transparent;
}

/* 12 Distinct Colors for Blocks */
.block.color-1 {
    background: #ff4757;
}

.block.color-2 {
    background: #2ed573;
}

.block.color-3 {
    background: #1e90ff;
}

.block.color-4 {
    background: #ffa502;
}

.block.color-5 {
    background: #3742fa;
}

.block.color-6 {
    background: #00d2ff;
}

.block.color-7 {
    background: #e056fd;
}

.block.color-8 {
    background: #f0932b;
}

.block.color-9 {
    background: #eb4d4b;
}

.block.color-10 {
    background: #6ab04c;
}

.block.color-11 {
    background: #4834d4;
}

.block.color-12 {
    background: #be2edd;
}

.block.color-0 {
    background: transparent;
}

.block.color-obstacle {
    background: #000;
    border: 3px solid #fff;
    box-sizing: border-box;
}

.ghost-block {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 6px;
    background: var(--accent-color);
    opacity: 0.4;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 0 10px var(--accent-color);
}

.ghost-block.invalid {
    background: #ff4757;
    box-shadow: 0 0 10px #ff4757;
}

/* Particles (Fireworks) */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    pointer-events: none;
}

/* Controls */
.input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-group input {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px;
    border-radius: 8px;
    width: 60px;
    text-align: center;
}

.stepper-input {
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
}

.stepper-input input {
    width: 40px;
    border: none;
    background: transparent;
    text-align: center;
    color: var(--text-primary);
    font-size: 1rem;
    padding: 8px 0;
}

.step-btn {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-primary);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background 0.2s;
}

.step-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.step-btn:active {
    background: rgba(255, 255, 255, 0.2);
}

/* Overlays */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s;
    backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

/* Modal System */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease-out;
}

.modal-container {
    background: var(--bg-color);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    animation: scaleUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--accent-color);
}

.modal-body {
    padding: 25px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 15px 25px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    background: rgba(255, 255, 255, 0.03);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleUp {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.overlay-content {
    background: var(--bg-color);
    border: 1px solid var(--accent-color);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 0 50px rgba(0, 210, 255, 0.3);
    animation: scaleUp 0.3s;
}

/* --- Restored Styles --- */

/* Size Toggles */
.size-toggles {
    display: flex;
    gap: 5px;
    background: var(--glass-bg);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.btn-size-toggle {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-size-toggle:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-size-toggle.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 210, 255, 0.3);
}

/* Transform Controls (Sidebar) */
.transformation-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.transform-btn {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.transform-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
}

/* Board Actions (Grid Overlay) */
.board-controls {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 90;
}

.board-action {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed var(--text-secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.board-action:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .board-controls {
        top: 10px;
        left: 10px;
        flex-direction: row;
    }

    .board-action {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
}

/* Game Header (Stage Mode) */
.game-header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 40px;
    margin-bottom: 20px;
}

.game-header-main {
    display: flex;
    align-items: center;
    gap: 20px;
}

#current-level-title {
    margin: 0;
}

.game-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

#btn-claim-passed {
    background: rgba(0, 210, 255, 0.2);
    border-color: var(--accent-color);
}

@media (max-width: 768px) {
    .game-header {
        flex-direction: column;
        gap: 10px;
        align-items: center;
        text-align: center;
    }

    #btn-back-levels {
        width: 70%;
        margin: 0 auto;
    }

    .game-header-main {
        flex-direction: column;
        gap: 10px;
    }
}

.board-action.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

/* Factory Actions */
.factory-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

/* Factory Grid */
.factory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    align-items: start;
}

@media (max-width: 768px) {
    .factory-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .factory-grid .input-group:has(.size-toggles) {
        grid-column: span 2;
        justify-content: center;
    }

    .factory-grid .difficulty-control-wrapper {
        grid-column: span 1;
        align-items: center;
    }

    .factory-grid .input-group:has(#fac-unique-only) {
        grid-column: span 2;
        margin-top: 5px;
    }

    .factory-grid .stepper-input {
        width: 100%;
    }

    .factory-grid .stepper-input input {
        flex: 1;
        width: auto;
        min-width: 40px;
    }

    .factory-grid .factory-actions {
        grid-column: span 2;
        margin-top: 10px;
    }

    #factory-view .interactive-grid {
        margin-bottom: 20px;
    }

    #factory-view .playground-grid-container {
        min-height: auto;
        padding: 10px;
    }

    .sidebar-header h3 {
        font-size: 1.2rem;
        margin: 0;
    }
}

.difficulty-control-wrapper {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.difficulty-control-wrapper label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Stepper Input adjustments */
.stepper-input input::-webkit-outer-spin-button,
.stepper-input input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.stepper-input input {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* Reveal Effect */
.revealing .block {
    animation: revealScale 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}

@keyframes revealScale {
    from {
        transform: scale(0);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.interactive-grid .block.solution-piece {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.revealed .block.solution-piece {
    opacity: 1;
}

/* Usage Count Badge */
.usage-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-color);
    color: #000;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    z-index: 10;
}