/* ============================================================================
   RECIPE BUILDER SPLIT LAYOUT STYLES
   Split/stacked layout mode, AI section, and related components.
   
   Dependencies: variables.css (for CSS custom properties)
   ============================================================================ */

/* ----------------------------------------------------------------------------
   SPLIT CONTAINER
   ---------------------------------------------------------------------------- */

.rb-split-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ----------------------------------------------------------------------------
   LAYOUT MODE - SPLIT
   ---------------------------------------------------------------------------- */

.rb-layout-split {
    flex-direction: column;
}

/* ----------------------------------------------------------------------------
   AI SECTION
   ---------------------------------------------------------------------------- */

.rb-ai-section {
    background: linear-gradient(135deg, var(--rb-color-purple-dark) 0%, #312e81 100%);
    padding: 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--rb-border-purple);
}

.rb-ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.rb-ai-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rb-ai-title h3 {
    margin: 0;
    color: #c7d2fe;
}

/* AI Prompt Container */
.rb-ai-prompt-container {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0.75rem;
    background: var(--rb-bg-input, #0f172a);
    border: 1px solid var(--rb-border-purple);
    border-radius: 8px;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.rb-ai-prompt-container:focus-within {
    border-color: var(--rb-primary, #8b5cf6);
}

.rb-ai-prompt-container.drag-over {
    border-color: var(--rb-primary, #8b5cf6);
    background: var(--rb-bg-hover, #1e1b4b);
}

.rb-ai-prompt-container.ask-mode {
    border-color: #0ea5e9;
}

/* AI Textarea */
.rb-ai-textarea {
    flex: 1;
    min-height: 60px;
    background: transparent;
    border: none;
    padding: 0.5rem 0;
    color: var(--rb-text-primary);
    font-size: 0.9rem;
    resize: vertical;
}

.rb-ai-textarea:focus {
    outline: none;
}

.rb-ai-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* ----------------------------------------------------------------------------
   CONDENSED AI SECTION
   ---------------------------------------------------------------------------- */

.rb-ai-section-condensed {
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--rb-color-purple-dark) 0%, #312e81 100%);
    border-radius: 6px;
    border: 1px solid var(--rb-border-purple);
}

.rb-ai-content-condensed {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.rb-ai-input-small {
    flex: 1;
    min-height: 40px;
    max-height: 80px;
    background: transparent;
    border: none;
    padding: 0.5rem 0;
    color: var(--rb-text-primary);
    font-size: 0.8rem;
    resize: none;
}

.rb-ai-input-small:focus {
    outline: none;
}

/* Standalone input small (not in unified container) */
.rb-ai-input-small:not(.rb-input-area .rb-ai-input-small):not(.rb-ai-input-area .rb-ai-input-small) {
    background: var(--rb-bg-base);
    border: 1px solid var(--rb-border-purple);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
}

.rb-ai-input-small:not(.rb-input-area .rb-ai-input-small):not(.rb-ai-input-area .rb-ai-input-small):focus {
    border-color: var(--rb-color-purple);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
}

.rb-ai-input-small.ask-mode:not(.rb-input-area .rb-ai-input-small):not(.rb-ai-input-area .rb-ai-input-small) {
    border-color: #0ea5e9;
}

.rb-ai-input-small.ask-mode:not(.rb-input-area .rb-ai-input-small):not(.rb-ai-input-area .rb-ai-input-small):focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

/* ----------------------------------------------------------------------------
   SPLIT MODE CONVERSATION LAYOUT
   Input position changes based on conversation state
   ---------------------------------------------------------------------------- */

/* AI content container states */
.rb-ai-content-condensed.has-messages {
    flex-direction: column;
    gap: 0.5rem;
}

.rb-ai-content-condensed.no-messages {
    flex-direction: column;
    gap: 0.5rem;
}

/* Conversation thread in split mode */
.rb-ai-content-condensed .rb-conversation-thread {
    background: var(--rb-bg-base);
    border-radius: 6px;
    padding: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
}

.rb-ai-content-condensed.has-messages .rb-conversation-thread {
    min-height: 100px;
}

.rb-ai-content-condensed.no-messages .rb-conversation-thread {
    min-height: 0;
    padding: 0;
}

/* Section conversation state in split fallback */
.rb-section-conversation {
    display: flex;
    flex-direction: column;
}

.rb-section-conversation.has-messages .rb-conversation-thread {
    flex: 1;
    min-height: 100px;
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 0.5rem;
}

.rb-section-conversation.no-messages .rb-conversation-thread {
    display: none;
}

.rb-section-conversation.has-messages .rb-input-area {
    border-top: 1px solid var(--rb-border-dark);
    padding-top: 0.5rem;
}