@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:       #0d0d0f;
  --surface:  #16161a;
  --elevated: #1e1e24;
  --border:   #2a2a35;
  --border2:  #383848;
  --text:     #f0f0f5;
  --muted:    #7878a0;
  --accent:   #7c6cfc;
  --accent2:  #a99dff;
  --green:    #3ecf8e;
  --red:      #f05252;
  --yellow:   #f5a623;
  --r4: 4px; --r8: 8px; --r12: 12px;
}
[data-theme="light"] {
  --bg:#f4f4f8; --surface:#ffffff; --elevated:#f0f0f6;
  --border:#dddde8; --border2:#c8c8d8; --text:#1a1a2e;
  --muted:#7878a0; --accent:#6b5ce7; --accent2:#8b7cf8;
  --green:#0ea572; --red:#e53e3e;
}
body { font-family:'DM Sans',sans-serif; background:var(--bg); color:var(--text); height:100vh; overflow:hidden; font-size:14px; line-height:1.5; }
::-webkit-scrollbar{width:4px;height:4px} ::-webkit-scrollbar-track{background:transparent} ::-webkit-scrollbar-thumb{background:var(--border2);border-radius:99px}
.container{display:flex;height:100vh}

/* LEFT SIDEBAR */
.sidebar{width:260px;min-width:260px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:width .3s,min-width .3s,overflow .3s}
.sidebar.hidden{width:0;min-width:0;overflow:hidden;border-right:none}
.sidebar-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:8px}
.sidebar-header h1{font-size:15px;font-weight:700;letter-spacing:-.3px;background:linear-gradient(135deg,var(--accent2),var(--green));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.theme-toggle{background:var(--elevated);border:1px solid var(--border);color:var(--text);width:30px;height:30px;border-radius:8px;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;transition:all .2s}
.theme-toggle:hover{background:var(--accent);border-color:var(--accent)}
.sidebar-content{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:2px}
.collections-header{display:flex;justify-content:space-between;align-items:center;padding:8px 4px 10px}
.collections-header h2{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--muted)}
.search-container{margin-bottom:8px}
.search-input{width:100%;background:var(--elevated);border:1px solid var(--border);color:var(--text);padding:7px 10px;border-radius:8px;font-size:13px;font-family:inherit;transition:border .2s}
.search-input:focus{outline:none;border-color:var(--accent)}
.search-input::placeholder{color:var(--muted)}
.collection-item,.response-collection-item{background:transparent;border:1px solid transparent;border-radius:8px;padding:9px 12px;cursor:pointer;transition:all .15s;position:relative}
.collection-item:hover,.response-collection-item:hover{background:var(--elevated);border-color:var(--border)}
.collection-item.active,.response-collection-item.active{background:rgba(124,108,252,.12);border-color:var(--accent)}
.collection-item.active .collection-name-text{color:var(--accent2)}
.pinned-collection.active{background:rgba(62,207,142,.1);border-color:var(--green)}
.pinned-collection.active .collection-name-text{color:var(--green)}
.collection-header{display:flex;justify-content:space-between;align-items:flex-start}
.collection-name-container{flex:1;min-width:0}
.collection-name-text{font-size:13px;font-weight:500;color:var(--text);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:text}
.collection-description-text{font-size:11px;color:var(--muted);display:block;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:text}
.collection-count{font-size:11px;color:var(--muted);margin-top:3px}
.collection-item.active .collection-count{color:var(--accent)}
.delete-btn{background:transparent;border:none;color:var(--muted);width:20px;height:20px;border-radius:4px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .2s;flex-shrink:0}
.collection-item:hover .delete-btn,.response-collection-item:hover .delete-btn{opacity:1}
.delete-btn:hover{color:var(--red)}
.actions{padding:10px;border-top:1px solid var(--border)}
.actions-container{display:flex;gap:8px}

/* MAIN */
.main-content{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}
.main-header{padding:10px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;background:var(--surface);flex-shrink:0}
.main-header h2{font-size:14px;font-weight:600;color:var(--text)}
.main-body{flex:1;overflow:hidden;display:flex;flex-direction:column}
.welcome-message{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:10px;color:var(--muted);text-align:center;padding:40px}
.welcome-message h2{font-size:20px;color:var(--text);font-weight:600}
.welcome-message p{font-size:13px;max-width:340px;line-height:1.6}
.welcome-icon{font-size:44px;margin-bottom:6px}

/* CONTENT SPLIT */
.content-split{display:flex;height:100%;overflow:hidden}

/* PROMPTS AREA */
.prompts-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}

/* WORKFLOW TABS */
.workflow-steps{display:flex;gap:0;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0;overflow-x:auto}
.step-tab{padding:9px 16px;font-size:12px;font-weight:500;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;transition:all .2s;white-space:nowrap;display:flex;align-items:center;gap:6px;background:none;border-top:none;border-left:none;border-right:none;font-family:inherit}
.step-tab:hover{color:var(--text)}
.step-tab.active{color:var(--accent2);border-bottom-color:var(--accent)}
.step-num{width:17px;height:17px;background:var(--elevated);border-radius:50%;font-size:10px;display:flex;align-items:center;justify-content:center;font-weight:700}
.step-tab.active .step-num{background:var(--accent);color:white}
.step-panel{flex:1;overflow-y:auto;padding:14px;display:none;flex-direction:column;gap:14px}
.step-panel.active{display:flex}

/* PROVIDER CARD */
.provider-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.provider-card-header{padding:10px 14px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border)}
.provider-card-header h3{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.provider-badge{margin-left:auto;font-size:10px;padding:2px 8px;border-radius:99px;background:rgba(124,108,252,.15);color:var(--accent2);font-weight:600}
.provider-card-body{padding:12px 14px;display:flex;flex-direction:column;gap:8px}
.provider-tabs{display:flex;gap:3px;padding:3px;background:var(--elevated);border-radius:8px}
.provider-tab{flex:1;padding:5px 6px;font-size:12px;font-weight:500;border-radius:5px;border:none;background:transparent;color:var(--muted);cursor:pointer;transition:all .2s;font-family:inherit;text-align:center}
.provider-tab:hover{color:var(--text)}
.provider-tab.active{background:var(--surface);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.3)}
.provider-settings{display:none;flex-direction:column;gap:7px}
.provider-settings.active{display:flex}

/* FORMS */
.api-input,.prompt-dropdown{width:100%;background:var(--elevated);border:1px solid var(--border);color:var(--text);padding:7px 10px;border-radius:8px;font-size:13px;font-family:inherit;transition:border .2s}
.api-input:focus,.prompt-dropdown:focus{outline:none;border-color:var(--accent)}
.api-input::placeholder{color:var(--muted)}
.api-input option,.prompt-dropdown option{background:var(--surface)}
label.field-label{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}

/* PROMPT CARDS */
.prompt-grid{display:flex;flex-direction:column;gap:8px}
.prompt-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px;position:relative;transition:border-color .2s}
.prompt-card:hover{border-color:var(--border2)}
.prompt-card.dragging{opacity:.4}
.prompt-card.drag-over{border-color:var(--accent)}
.prompt-card-header{display:flex;align-items:center;gap:6px;margin-bottom:7px}
.drag-handle{cursor:grab;color:var(--muted);font-size:13px;flex-shrink:0}
.prompt-label{flex:1;background:transparent;border:none;color:var(--text);font-size:13px;font-weight:500;font-family:inherit;padding:2px 4px;border-radius:4px;cursor:text}
.prompt-label:hover{background:var(--elevated)}
.prompt-label:focus{outline:1px solid var(--accent);background:var(--elevated)}
.prompt-input{width:100%;background:var(--elevated);border:1px solid var(--border);color:var(--text);padding:9px 11px;border-radius:8px;font-size:12px;font-family:'DM Mono',monospace;resize:vertical;min-height:80px;line-height:1.6;transition:border .2s}
.prompt-input:focus{outline:none;border-color:var(--accent)}
.remove-prompt-btn,.remove-from-collection-btn{background:transparent;border:none;color:var(--muted);width:24px;height:24px;border-radius:4px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.remove-prompt-btn:hover,.remove-from-collection-btn:hover{color:var(--red);background:rgba(240,82,82,.1)}

/* ADD PROMPT */
.add-prompt-section{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px}
.add-prompt-section h3{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:8px}
.add-prompt-buttons{display:flex;gap:8px;margin-top:8px}

/* PROCESS BTN */
.process-section{padding:0 14px 14px;flex-shrink:0}
.process-btn{width:100%;padding:12px;font-size:14px;font-weight:600;border-radius:12px;background:linear-gradient(135deg,var(--accent),#5a4fcf);color:white;border:none;cursor:pointer;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s;box-shadow:0 4px 16px rgba(124,108,252,.3);letter-spacing:.2px}
.process-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(124,108,252,.45)}
.process-btn.loading{opacity:.6;pointer-events:none}

/* RESPONSE SECTION */
.response-section{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.response-section-header{padding:9px 13px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.response-section-header h3{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.response-textarea{width:100%;background:transparent;border:none;color:var(--text);padding:12px 13px;font-size:13px;font-family:'DM Mono',monospace;resize:vertical;min-height:160px;line-height:1.7}
.response-textarea:focus{outline:none}

/* RIGHT RESPONSES PANEL */
.responses-sidebar{width:290px;min-width:290px;background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:width .3s,min-width .3s}
.responses-sidebar.hidden{width:0;min-width:0;border-left:none;overflow:hidden}
.responses-sidebar .sidebar-header{padding:11px 13px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.responses-sidebar .sidebar-header h3{font-size:13px;font-weight:600}
.responses-sidebar .collections-header{padding:9px 13px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.responses-sidebar .collections-header h2{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.6px}
.responses-sidebar .search-container{padding:9px 12px 0}
#responses-collections-list{padding:6px 10px;border-bottom:1px solid var(--border);max-height:160px;overflow-y:auto}
#response-cards{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:7px}
.response-actions-bar{padding:9px 12px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:7px}
.response-card{background:var(--elevated);border:1px solid var(--border);border-radius:8px;padding:10px;position:relative;transition:border-color .2s;cursor:move}
.response-card:hover{border-color:var(--border2)}
.response-card.pinned{border-color:rgba(62,207,142,.4);background:rgba(62,207,142,.05)}
.response-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:6px}
.response-date{font-size:10px;color:var(--muted)}
.response-actions{display:flex;gap:3px}
.response-title{font-size:12px;font-weight:500;color:var(--text);flex:1;margin-right:6px}
.pin-btn{background:transparent;border:1px solid var(--border);color:var(--muted);width:20px;height:20px;border-radius:4px;cursor:pointer;font-size:10px;display:flex;align-items:center;justify-content:center;transition:all .2s}
.pin-btn:hover{background:var(--accent);color:white;border-color:var(--accent)}
.pin-btn.pinned{background:var(--green);color:white;border-color:var(--green)}
.response-content{font-size:11px;font-family:'DM Mono',monospace;color:var(--muted);border:1px solid transparent;border-radius:4px;padding:5px;cursor:text;min-height:44px;line-height:1.5;transition:all .2s;background:transparent}
.response-content:focus{outline:none;border-color:var(--border);background:var(--elevated);color:var(--text)}
.response-meta{font-size:10px;color:var(--muted);margin-top:5px;display:flex;justify-content:space-between}
.response-count{font-size:11px;color:var(--muted)}

/* BUTTONS */
.btn{background:var(--accent);color:white;border:none;padding:7px 13px;border-radius:8px;cursor:pointer;font-size:13px;font-family:inherit;font-weight:500;transition:all .2s;display:inline-flex;align-items:center;gap:5px}
.btn:hover{opacity:.9}
.btn-sm{padding:4px 9px;font-size:12px}
.btn-secondary{background:var(--elevated);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent2);background:rgba(124,108,252,.08)}
.sidebar-toggle{background:var(--elevated);border:1px solid var(--border);color:var(--muted);width:28px;height:28px;border-radius:8px;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.sidebar-toggle:hover{color:var(--text);border-color:var(--border2)}

/* MISC */
.hidden{display:none!important}
.file-input{display:none}
.collection-edit-input,.collection-edit-textarea{font-family:inherit;background:var(--elevated);border:1px solid var(--accent);color:var(--text);padding:4px 7px;border-radius:4px;width:100%;font-size:13px}
.top-section{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.empty-state{text-align:center;padding:20px 14px;color:var(--muted);font-size:12px;line-height:1.6}

@media(max-width:900px){.top-section{grid-template-columns:1fr}.responses-sidebar{width:250px;min-width:250px}}
@media(max-width:700px){.content-split{flex-direction:column}.responses-sidebar{width:100%;min-width:100%;height:280px;border-left:none;border-top:1px solid var(--border)}}