/* ==========================================
   MangaStudio - Buttons Component
   ========================================== */

/* Base Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    text-decoration: none;
}

/* Button Variants */
.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #ebebed;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-ai {
    background: linear-gradient(135deg, #5e5ce6 0%, #bf5af2 100%);
    color: white;
}

.btn-ai:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(94, 92, 230, 0.3);
}

/* Button Sizes */
.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 15px;
}

/* Create Project Button (Hero) */
.create-project-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--text-primary);
    color: white;
    border-radius: var(--radius-xl);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.create-project-btn:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.create-project-btn svg {
    width: 20px;
    height: 20px;
}

/* AI Generate Button */
.ai-generate-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: linear-gradient(135deg, #5e5ce6 0%, #bf5af2 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.ai-generate-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(94, 92, 230, 0.3);
}

.ai-generate-btn svg {
    width: 16px;
    height: 16px;
}

/* New Chapter Button */
.new-chapter-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 8px;
}

.new-chapter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Toolbar Button */
.toolbar-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.toolbar-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.toolbar-btn.active {
    background: var(--bg-secondary);
    color: var(--accent);
}

/* Topic Button */
.topic-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.topic-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.topic-btn.btn-generate-images {
    background: linear-gradient(135deg, #5e5ce6 0%, #bf5af2 100%);
    color: white;
    border: none;
}

.topic-btn.btn-generate-images:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(94, 92, 230, 0.3);
}

.topic-btn svg {
    width: 14px;
    height: 14px;
}

/* Generate Prompts Button - Green AI style */
.topic-btn.btn-generate-prompts {
    background: linear-gradient(135deg, #34c759 0%, #30d158 100%);
    color: white;
    border: none;
}

.topic-btn.btn-generate-prompts:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(52, 199, 89, 0.3);
}

.topic-btn.btn-generate-prompts:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.topic-btn.btn-generate-prompts .spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}