/* kaomoji-builder style.css */

.builder-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

/* Preview Card */
.preview-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.preview-display {
    font-size: 3.5rem;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    margin-bottom: 2rem;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-all;
    background: var(--background-alt);
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px dashed var(--border-color);
    transition: all 0.3s;
}

.preview-display span {
    display: inline-block;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.preview-display span.updated {
    transform: scale(1.3) translateY(-5px);
    color: var(--primary-color);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.toast-message {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(16, 185, 129, 0.9);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 700;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.toast-message.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Parts Selector */
.parts-selector-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.02);
}

.tabs-nav {
    display: flex;
    overflow-x: auto;
    background: var(--background-alt);
    border-bottom: 1px solid var(--border-color);
    -webkit-overflow-scrolling: touch;
}

.tabs-nav::-webkit-scrollbar {
    height: 4px;
}
.tabs-nav::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.tab-btn {
    flex: 1;
    min-width: 100px;
    background: transparent;
    border: none;
    padding: 1rem 0.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: rgba(0,0,0,0.02);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: var(--card-bg);
}

.tab-content-container {
    padding: 2rem 1.5rem;
    min-height: 250px;
}

.tab-pane {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 0.8rem;
}

.tab-pane.active {
    display: grid;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.part-btn {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1.5rem;
    padding: 0.8rem 0;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
}

.part-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

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

.part-btn.selected {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.clear-action {
    text-align: right;
    padding: 0 1.5rem 1.5rem;
}

#btn-random, #btn-copy {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 99px;
    border: none;
    font-weight: 700;
    cursor: pointer;
}

#btn-random {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
    font-weight: 800;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

#btn-random:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.6);
}

#btn-random:active {
    transform: translateY(2px) scale(0.95);
    box-shadow: 0 2px 10px rgba(239, 68, 68, 0.4);
}

#btn-random i {
    animation: wiggle 2s infinite ease-in-out;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    50% { transform: rotate(10deg); }
    75% { transform: rotate(-10deg); }
}