/* ============================================================
   GuacamIA - ESTILOS DEFINITIVOS
   ============================================================ */

:root {
    --bg-primary: #0d0d0d;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --bg-hover: #242424;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f0f0;
    --text-secondary: #9a9a9a;
    --text-muted: #6e6e6e;
    --neon: #ff6a00;
    --neon-glow: rgba(255, 106, 0, 0.55);
    --accent: #ff6a00;
    --accent-hover: #ff851a;
    --accent-blue: var(--accent);
    --accent-blue-hover: var(--accent-hover);
    --accent-purple: #ff851a;
    --accent-green: #22c55e;
    --accent-orange: #ff6a00;
    --accent-red: #ef4444;
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --radius: 8px;
    --radius-full: 9999px;
    --transition: all 0.2s ease;
    --sidebar-width: 56px;
    --sidebar-expanded: 220px;
    --chat-width: 380px;
    --surface: #141414;
    --surface-elevated: #1a1a1a;
    --surface-border: rgba(255, 255, 255, 0.08);
    --bubble-user: #2a2a2a;
    --bubble-user-border: #3a3a3a;
}

body.resizing {
    cursor: col-resize !important;
    user-select: none;
}

body.resizing * {
    cursor: col-resize !important;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #0d0d0d;
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    font-size: 14px;
}

.app-container {
    display: flex;
    height: calc(100vh - 20px);
    width: calc(100% - 20px);
    margin: 10px;
    overflow: hidden;
    gap: 10px;
    position: relative;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
}

.chat-sidebar {
    width: var(--chat-width);
    min-width: 300px;
    max-width: 520px;
    background: var(--surface-elevated);
    border: 1px solid var(--surface-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    height: 100%;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

/* ============================================================
   HEADER DEL CHAT - MÁS COMPACTO
   ============================================================ */
/* ── Header del chat ── */
.chat-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--surface-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    background: var(--surface-elevated);
    min-height: 48px;
}
.chat-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.logo-icon {
    font-size: 18px;
}

.logo-text {
    font-size: 14px;         /* ⬇️ Antes: 16px */
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text .highlight {
    -webkit-text-fill-color: var(--accent-blue);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    flex: 1;
}

.project-name {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2px 8px;        /* ⬇️ Antes: 4px 10px */
    font-size: 10px;         /* ⬇️ Antes: 11px */
    cursor: pointer;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

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

.header-btn.primary {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.header-btn.primary:hover {
    background: var(--accent-blue-hover);
}

.header-user {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.status-text {
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

/* ============================================================
   DROPDOWN DASHBOARD
   ============================================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 4px 10px;
    font-size: 11px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

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

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    min-width: 180px;
    padding: 4px 0;
    margin-top: 4px;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 6px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.dropdown-menu hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 4px 0;
}

/* ============================================================
   MENSAJES DEL CHAT — estilo Lovable
   ============================================================ */
.chat-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chat-messages::-webkit-scrollbar {
    width: 5px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.message {
    display: flex;
    width: 100%;
    animation: fadeIn 0.25s ease;
}

.message.bot {
    align-self: flex-start;
    justify-content: flex-start;
    max-width: 100%;
}

.message.user {
    align-self: flex-end;
    justify-content: flex-end;
    max-width: 100%;
}

.message-avatar {
    display: none;
}

.message-content {
    max-width: 88%;
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-primary);
    word-break: break-word;
}

.message.bot .message-content {
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
    max-width: 100%;
}

.message.bot .message-content p {
    margin-bottom: 0.6em;
}

.message.bot .message-content p:last-child {
    margin-bottom: 0;
}

.message.user .message-content {
    background: var(--bubble-user);
    border: 1px solid var(--bubble-user-border);
    border-radius: 18px 18px 4px 18px;
    padding: 10px 16px;
    color: #f0f0f0;
    max-width: 78%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.message.user .message-content strong {
    color: #fff;
}

.welcome-message .message-content,
.sin-proyecto-msg .message-content {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 14px;
    padding: 16px 18px;
    max-width: 100%;
}

/* ── Ejemplo de mensaje (el que aparece al inicio) ── */
.mensaje-ejemplo {
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-muted);
    display: inline-block;
    border: 1px solid var(--border-color);
}
/* ── Mensaje de "Pensando..." ── */
#mensajePensando .message-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px 16px 16px 4px;
    padding: 10px 16px;
}

#mensajePensando .message-content span {
    color: var(--text-muted);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

#mensajePensando .message-content span::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0% { content: ''; }
    25% { content: '.'; }
    50% { content: '..'; }
    75% { content: '...'; }
    100% { content: ''; }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   ACTIVITY LOG (estilo Base44 / Lovable)
   ============================================================ */
.activity-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    font-size: 12px;
    color: var(--text-muted);
    animation: fadeIn 0.2s ease;
    border-left: 2px solid transparent;
    margin: 2px 0;
}

.activity-item.thinking {
    color: var(--text-secondary);
    border-left-color: var(--accent-purple);
}

.activity-icon {
    font-size: 13px;
    flex-shrink: 0;
    opacity: 0.8;
}

.activity-text {
    line-height: 1.4;
}

.thinking-dots {
    animation: blink 1.2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ============================================================
   MENSAJE DE BIENVENIDA + CHIPS DE EJEMPLO
   ============================================================ */
.welcome-message .message-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
}

.welcome-message .message-content p {
    margin: 0 0 8px 0;
    line-height: 1.5;
}

.welcome-hint {
    color: var(--text-secondary) !important;
    font-size: 13px;
}

.welcome-examples {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
}

.example-chip {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: var(--transition);
}

.example-chip:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* Botones de acción del agente */
.acciones-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.accion-btn {
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

.accion-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

/* ============================================================
   INPUT DEL CHAT — pill estilo Lovable
   ============================================================ */
.chat-input-container {
    padding: 12px 14px 14px;
    border-top: 1px solid var(--surface-border);
    background: var(--surface-elevated);
    flex-shrink: 0;
}

.chat-input-wrapper {
    display: flex;
    flex-direction: column;
    background: #111;
    border: 1px solid var(--surface-border);
    border-radius: 9999px;
    padding: 6px 8px 6px 12px;
    transition: border-color 0.2s, box-shadow 0.2s, border-radius 0.2s;
}

.chat-input-wrapper.has-adjuntos {
    border-radius: 16px;
    padding: 8px 10px 6px;
}

.chat-input-wrapper:focus-within {
    border-color: rgba(255, 106, 0), 0.5);
    box-shadow: 0 0 0 3px rgba(255, 106, 0), 0.12);
}

.chat-input-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    min-width: 0;
}

.adjuntos-pendientes {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 2px 4px 8px;
    min-width: 0;
}

.adjuntos-pendientes[hidden] {
    display: none !important;
}

.adjunto-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    max-width: min(220px, 100%);
    padding: 4px 8px 4px 6px;
    background: rgba(255, 106, 0), 0.12);
    border: 1px solid rgba(255, 106, 0), 0.3);
    border-radius: 10px;
    font-size: 12px;
    color: var(--text-secondary);
}

.adjunto-chip--warn {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.35);
}

.adjunto-chip-thumb {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}

.adjunto-chip-icon {
    flex-shrink: 0;
    font-size: 14px;
    line-height: 1;
}

.adjunto-chip-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.adjunto-chip-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
}

.adjunto-chip-remove:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 8px 4px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    resize: none;
    outline: none;
    min-height: 36px;
    max-height: 120px;
    line-height: 1.5;
    min-width: 0;
}

.chat-input::placeholder {
    color: #666;
    font-size: 14px;
}

.chat-send-btn {
    background: var(--accent-blue);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 15px;
}

.chat-send-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.04);
}

.chat-send-btn.plan-mode {
    background: var(--accent-purple);
}

.chat-send-btn.pensando {
    background: var(--accent-orange);
    animation: pulse 1s ease-in-out infinite;
}

.chat-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    font-weight: 300;
    padding: 0;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.plan-btn {
    font-size: 11px;
    font-weight: 600;
    padding: 5px 12px;
    border: 1px solid var(--surface-border);
    border-radius: 9999px;
    width: auto;
    height: auto;
    color: var(--text-secondary);
}

.plan-btn.active {
    background: rgba(255, 106, 0), 0.2);
    color: var(--accent-blue);
    border-color: rgba(255, 106, 0), 0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.95); }
}

/* ============================================================
   VISTA PREVIA
   ============================================================ */
.preview-panel {
    flex: 1;
    min-width: 0;
    background: var(--surface-elevated);
    border: 1px solid var(--surface-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    height: 100%;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

/* ============================================================
   PANEL TOOLBAR — tabs Vista previa / Código
   ============================================================ */
.panel-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
    flex-shrink: 0;
}

.panel-tabs {
    display: flex;
    align-items: center;
    gap: 4px;
}

.panel-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.panel-tab:hover:not(:disabled) {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.panel-tab.active {
    color: var(--text-primary);
    background: rgba(255, 106, 0), 0.15);
    border-color: var(--accent-blue);
}

.panel-tab:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.panel-tab-icon {
    flex-shrink: 0;
    opacity: 0.85;
}

.panel-tab.active .panel-tab-icon {
    opacity: 1;
}

.panel-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.panel-toolbar-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 6px 8px;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.panel-toolbar-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.panel-toolbar-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.panel-toolbar-btn.is-loading .panel-toolbar-btn-icon {
    animation: panel-toolbar-spin 0.8s linear infinite;
}

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

.panel-preview-frame {
    flex: 1;
    min-height: 0;
    min-width: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    background: #fff;
}

.panel-preview-frame iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
    flex: 1;
    min-height: 0;
}

.panel-code-layout {
    display: flex;
    height: 100%;
    min-height: 0;
    width: 100%;
    overflow: hidden;
}

.panel-file-tree {
    width: 176px;
    flex-shrink: 0;
    border-right: 1px solid var(--surface-border);
    background: #0d0d0d;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.panel-file-tree-header {
    padding: 10px 12px 8px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--surface-border);
    flex-shrink: 0;
}

.panel-file-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.panel-file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 10px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: background 0.15s ease, color 0.15s ease;
}

.panel-file-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.panel-file-item.active {
    background: rgba(255, 106, 0), 0.15);
    color: var(--text-primary);
}

.panel-file-icon {
    flex-shrink: 0;
    font-size: 12px;
    width: 16px;
    text-align: center;
}

.panel-file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.panel-code-view {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #0a0e17;
}

.panel-code-header {
    background: #1a2234;
    padding: 8px 16px;
    border-bottom: 1px solid #2d3a4f;
    font-size: 12px;
    color: #94a3b8;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.panel-code-lang {
    background: #2d3a4f;
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.panel-code-pre {
    flex: 1;
    min-height: 0;
    margin: 0;
    padding: 16px;
    overflow: auto;
    background: #0a0e17;
}

.panel-code-pre code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.65;
    white-space: pre;
    word-break: normal;
}

.preview-content > .panel-preview-frame,
.preview-content > .panel-code-layout {
    height: 100%;
    width: 100%;
}

.placeholder-svg {
    color: var(--text-muted);
    opacity: 0.5;
    margin-bottom: 16px;
}

/* ============================================================
   DROPDOWN ACCIONES (⚙️)
   ============================================================ */
.acciones-dropdown {
    position: relative;
    display: inline-block;
    flex-shrink: 0;
}

.acciones-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 6px 8px;
    font-size: 13px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.acciones-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    min-width: 160px;
    padding: 4px 0;
    margin-top: 4px;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.acciones-menu.show {
    display: block;
}

.accion-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 6px 16px;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.accion-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.acciones-separator {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 4px 0;
}

.accion-item-danger {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #f87171;
}

.accion-item-danger:hover {
    background: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
}

.ws-project-row {
    display: flex;
    align-items: center;
    gap: 2px;
    min-width: 0;
}

.ws-project-row .ws-project-item {
    flex: 1;
    min-width: 0;
}

.ws-project-delete {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.ws-project-row:hover .ws-project-delete,
.ws-project-delete:focus-visible {
    opacity: 1;
}

.ws-project-delete:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

/* ============================================================
   CONTENIDO DE VISTA PREVIA
   ============================================================ */
.preview-content {
    flex: 1;
    min-height: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

.preview-content iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
}

.placeholder-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.placeholder-title {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.placeholder-text {
    font-size: 14px;
    max-width: 400px;
}

/* ============================================================
   MODAL PERFIL/CRÉDITOS
   ============================================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px 32px;
    min-width: 320px;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.modal-content h2 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.perfil-campo {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--border-color);
}

.perfil-campo label {
    color: var(--text-muted);
    font-size: 13px;
}

.perfil-campo span {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
}

.modal-close {
    margin-top: 16px;
    width: 100%;
    padding: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}
/* ============================================================
   CUESTIONARIO MODO PLAN — estilo Lovable (tema oscuro)
   ============================================================ */
.plan-questionnaire-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    margin: 12px 4px;
    animation: planFadeIn 0.25s ease;
}

@keyframes planFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.plan-q-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.plan-q-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 4px;
}

.plan-q-header p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.plan-q-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    flex-shrink: 0;
}

.plan-q-close:hover {
    color: var(--text-primary);
}

.plan-q-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.plan-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.plan-option:hover {
    border-color: var(--accent-blue);
    background: var(--bg-hover);
}

.plan-option.selected {
    border-color: var(--accent-blue);
    background: rgba(255, 106, 0), 0.12);
    box-shadow: 0 0 0 1px rgba(255, 106, 0), 0.3);
}

.plan-option-radio {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 2px;
    transition: var(--transition);
}

.plan-option.selected .plan-option-radio {
    border-color: var(--accent-blue);
    background: var(--accent-blue);
    box-shadow: inset 0 0 0 3px var(--bg-card);
}

.plan-option-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.plan-option-body strong {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}

.plan-option-body span {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.45;
}

.plan-custom-input {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.plan-custom-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(255, 106, 0), 0.15);
}

.plan-custom-input::placeholder {
    color: var(--text-muted);
}

.plan-q-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.plan-q-pagination {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.plan-q-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.plan-q-skip {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.plan-q-skip:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.plan-q-submit {
    background: var(--accent-blue);
    border: none;
    color: white;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.plan-q-submit:disabled {
    background: var(--bg-hover);
    color: var(--text-muted);
    cursor: not-allowed;
}

.plan-q-submit:not(:disabled):hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Tarjeta de plan final */
.plan-final-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    margin: 12px 4px;
    animation: planFadeIn 0.25s ease;
}

.plan-final-header h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.plan-final-header p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.plan-final-section {
    margin-bottom: 14px;
}

.plan-final-section strong {
    display: block;
    font-size: 13px;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.plan-final-section p,
.plan-final-section li {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.55;
}

.plan-final-section ul {
    padding-left: 18px;
    margin: 0;
}

.plan-final-section li {
    margin-bottom: 4px;
}

.plan-final-card .acciones-container {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

.chat-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================
   WORKSPACE SIDEBAR — icon rail estilo Lovable
   ============================================================ */
.workspace-sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100%;
    background: var(--surface-elevated);
    border: 1px solid var(--surface-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
    transition: width 0.22s ease, min-width 0.22s ease, box-shadow 0.22s ease;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
    z-index: 10;
}

.workspace-sidebar.expanded {
    width: var(--sidebar-expanded);
    min-width: var(--sidebar-expanded);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.workspace-sidebar.collapsed {
    width: 0 !important;
    min-width: 0 !important;
    border: none;
    overflow: hidden;
    padding: 0;
    opacity: 0;
    pointer-events: none;
}

.workspace-sidebar.collapsed .ws-brand,
.workspace-sidebar.collapsed .ws-new-project,
.workspace-sidebar.collapsed .ws-section,
.workspace-sidebar.collapsed .ws-spacer,
.workspace-sidebar.collapsed .ws-footer-nav,
.workspace-sidebar.collapsed .ws-user-chip {
    opacity: 0;
    pointer-events: none;
}

#resizerSidebar {
    display: none;
}

.ws-expand-label {
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    transition: opacity 0.15s ease, max-width 0.2s ease;
}

.workspace-sidebar.expanded .ws-expand-label {
    opacity: 1;
    max-width: 160px;
}

.panel-resizer {
    width: 5px;
    flex-shrink: 0;
    cursor: col-resize;
    background: transparent;
    position: relative;
    z-index: 20;
    transition: background 0.15s ease;
}

.panel-resizer:hover,
.panel-resizer.active {
    background: rgba(255, 106, 0), 0.45);
}

.panel-resizer::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -3px;
    right: -3px;
}

.sidebar-toggle {
    position: absolute;
    left: calc(var(--sidebar-width) - 1px);
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 30;
    width: 20px;
    height: 40px;
    border: 1px solid var(--surface-border);
    border-radius: 0 8px 8px 0;
    background: var(--surface-elevated);
    color: var(--text-secondary);
    font-size: 9px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: left 0.22s ease, background 0.15s ease;
}

.app-container.sidebar-collapsed .sidebar-toggle,
.app-container.sidebar-expanded .sidebar-toggle {
    left: calc(var(--sidebar-width) - 1px);
}

.app-container.sidebar-collapsed .sidebar-toggle {
    left: 0;
    border-radius: 0 8px 8px 0;
}

.sidebar-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.app-container {
    position: relative;
}

.app-container.sidebar-expanded {
    --sidebar-width: var(--sidebar-expanded);
}

.ws-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 12px 10px;
    border-bottom: 1px solid var(--surface-border);
    justify-content: center;
}

.workspace-sidebar.expanded .ws-brand {
    justify-content: flex-start;
    padding: 14px 14px 10px;
}

.ws-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    display: block;
}

.ws-brand-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.ws-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.ws-title .highlight {
    color: var(--accent-blue);
}

.ws-workspace {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ws-new-project {
    margin: 10px 8px;
    padding: 0;
    width: 40px;
    height: 40px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    transition: var(--transition);
    align-self: center;
}

.workspace-sidebar.expanded .ws-new-project {
    width: auto;
    height: auto;
    padding: 9px 12px;
    align-self: stretch;
    margin: 10px 12px;
    font-size: 13px;
    border-radius: 8px;
}

.ws-new-project .ws-new-icon {
    line-height: 1;
}

.ws-new-project:hover {
    filter: brightness(1.08);
}

.ws-section {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 0 8px;
    overflow: hidden;
}

.ws-project-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ws-project-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: var(--transition);
    justify-content: center;
}

.workspace-sidebar.expanded .ws-project-item {
    padding: 8px 10px;
    justify-content: flex-start;
}

.ws-project-row {
    justify-content: center;
}

.workspace-sidebar.expanded .ws-project-row {
    justify-content: stretch;
}

.workspace-sidebar.expanded .ws-project-delete {
    opacity: 0;
}

.workspace-sidebar.expanded .ws-project-row:hover .ws-project-delete {
    opacity: 1;
}

.ws-project-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.ws-project-item.active {
    background: rgba(255, 106, 0), 0.15);
    color: var(--text-primary);
    border: 1px solid rgba(255, 106, 0), 0.35);
}

.ws-project-icon {
    font-size: 14px;
    flex-shrink: 0;
}

.ws-project-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ws-empty {
    font-size: 12px;
    color: var(--text-muted);
    padding: 12px 8px;
    line-height: 1.5;
}

.ws-spacer {
    flex-shrink: 0;
}

.ws-footer-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px;
    border-top: 1px solid var(--border-color);
}

.ws-footer-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    text-decoration: none;
    transition: var(--transition);
    justify-content: center;
}

.workspace-sidebar.expanded .ws-footer-btn {
    padding: 8px 10px;
    justify-content: flex-start;
}

.ws-nav-icon {
    flex-shrink: 0;
}

.ws-user-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 8px;
    border-top: 1px solid var(--surface-border);
    background: transparent;
    justify-content: center;
}

.workspace-sidebar.expanded .ws-user-chip {
    padding: 10px 12px;
    justify-content: flex-start;
}

.ws-section-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 8px 8px 6px;
    text-align: center;
}

.workspace-sidebar.expanded .ws-section-label {
    text-align: left;
}

.panel-toolbar {
    background: var(--surface-elevated);
    border-bottom: 1px solid var(--surface-border);
}

.panel-resizer#resizerChat {
    width: 4px;
    background: transparent;
    border-radius: 4px;
    margin: 0 -2px;
}

.activity-item.thinking {
    align-self: flex-start;
    max-width: 100%;
    padding: 4px 0;
    color: var(--text-muted);
    font-size: 13px;
}

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

.ws-logout:hover {
    color: var(--accent-red);
}

.ws-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-purple);
    color: white;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ws-user-name {
    font-size: 11px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Chat header simplificado */
.chat-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
}

.header-btn.primary {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 400;
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--surface-border);
}

.header-btn.primary:hover {
    background: rgba(255, 106, 0), 0.2);
    border-color: rgba(255, 106, 0), 0.4);
    color: var(--accent-blue);
}

.plan-questionnaire-card,
.plan-final-card {
    background: var(--surface);
    border: 1px solid var(--surface-border);
}

/* Preview + strip */
.preview-main {
    flex: 1;
    min-height: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.preview-content {
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
}

.projects-strip {
    flex-shrink: 0;
    height: 148px;
    min-width: 0;
    background: var(--surface);
    border-top: 1px solid var(--surface-border);
    display: flex;
    flex-direction: column;
    padding: 10px 14px 12px;
    gap: 8px;
    overflow: hidden;
}

.projects-strip-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.projects-strip-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.projects-strip-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid var(--surface-border);
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition);
}

.projects-strip-toggle:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.projects-strip.collapsed {
    height: 40px !important;
    min-height: 40px;
    padding: 0 14px;
    gap: 0;
}

.projects-strip.collapsed .projects-thumbnails {
    display: none;
}

.projects-strip.collapsed .projects-strip-new {
    display: none;
}

.projects-strip-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.projects-strip-new {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.projects-strip-new:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.projects-thumbnails {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    flex: 1;
    min-width: 0;
    width: 100%;
    align-items: stretch;
    padding-bottom: 6px;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-gutter: stable;
}

.projects-thumbnails::-webkit-scrollbar {
    height: 8px;
}

.projects-thumbnails::-webkit-scrollbar-track {
    background: transparent;
    margin: 0 4px;
}

.projects-thumbnails::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.projects-thumbnails::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.projects-strip-empty {
    font-size: 12px;
    color: var(--text-muted);
    align-self: center;
    margin: auto;
}

.project-thumb {
    flex-shrink: 0;
    width: 160px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    padding: 0;
    display: flex;
    flex-direction: column;
    text-align: left;
    font-family: inherit;
    transition: var(--transition);
}

.project-thumb:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.project-thumb.active {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(255, 106, 0), 0.35);
}

.project-thumb-preview {
    height: 72px;
    overflow: hidden;
    background: var(--bg-primary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-thumb-iframe-wrap {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
    background: #fff;
}

.project-thumb-iframe-wrap iframe {
    border: none;
    pointer-events: none;
    transform-origin: top left;
    position: absolute;
    top: 0;
    left: 0;
}

.project-thumb-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    opacity: 0.9;
}

.project-thumb-label {
    padding: 6px 8px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-top: 1px solid var(--border-color);
}