/* ══════════════════════════════════════════════
   Cactus 2.0 — Studio Layout + Embedded Chat
   ══════════════════════════════════════════════ */

/* ── Studio: sidebar + main ── */
.studio-layout {
    display: flex;
    height: calc(100vh - 58px);          /* below navbar */
    overflow: hidden;
}

/* ── Sidebar ── */
.studio-sidebar {
    width: 260px;
    min-width: 260px;
    background: var(--clr-bg-sidebar);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--clr-border-default);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 1rem 0.75rem;
    position: relative;
}

.sidebar-heading {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--clr-text-muted);
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.documents-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.document-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.6rem;
    border-radius: var(--radius-sm);
    background: var(--clr-primary-faint);
    border: 1px solid var(--clr-border-default);
    cursor: default;
    transition: background 0.2s;
    position: relative;
}
.document-item:hover {
    background: var(--clr-primary-soft);
}
.document-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.document-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--clr-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.document-meta {
    font-size: 0.72rem;
    color: var(--clr-text-muted);
}

/* Upload button */
.upload-compact {
    margin-top: 0.75rem;
}
.upload-compact-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--clr-border-strong);
    background: var(--clr-primary-faint);
    color: var(--clr-primary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
    justify-content: center;
}
.upload-compact-btn:hover {
    background: var(--clr-primary-soft);
    border-color: var(--clr-primary);
}

/* Mobile sidebar toggle */
.sidebar-toggle {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    z-index: 50;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--clr-accent);
    color: var(--clr-text-onprimary);
    border: none;
    box-shadow: var(--shadow-float);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
}

/* ── Main chat area ── */
.studio-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--clr-bg-main);
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 0;
    overflow: hidden;
}


/* ── Message content wrap (holds content + badge) ── */
.message-content-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

/* ── Progress badge ── */
.message-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.72rem;
    color: var(--clr-primary);
    background: var(--clr-primary-faint);
    border: 1px solid var(--clr-border-default);
    border-radius: var(--radius-pill);
    padding: 0.15rem 0.6rem;
    align-self: flex-start;
}

/* ── Save material button ── */
.save-material-wrap {
    margin-top: 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    align-items: flex-start;
}
.save-material-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    color: var(--clr-primary);
    background: var(--clr-primary-faint);
    border: 1px solid var(--clr-border-default);
    border-radius: var(--radius-pill);
    padding: 0.22rem 0.75rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.save-material-btn:hover {
    background: var(--clr-primary-soft);
    border-color: var(--clr-primary);
}
.save-material-form {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}
.save-title-input {
    font-size: 0.82rem;
    border: 1px solid var(--clr-border-input);
    border-radius: 0.4rem;
    padding: 0.22rem 0.5rem;
    min-width: 200px;
    outline: none;
    background: var(--clr-bg-input);
    color: var(--clr-text-primary);
}
.save-title-input:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 2px var(--clr-primary-faint);
}
.save-success { font-size: 0.8rem; color: var(--clr-primary); }
.save-success a { color: var(--clr-primary); text-decoration: underline; }
.save-error { font-size: 0.8rem; color: var(--clr-error); }

/* ── Material rendered content ── */
.material-rendered h2 { font-size: 1.3rem; margin-top: 1.5rem; color: var(--clr-primary); font-family: var(--font-display); }
.material-rendered h3 { font-size: 1.1rem; margin-top: 1.2rem; font-family: var(--font-display); }
.material-rendered h4 { font-size: 0.95rem; margin-top: 1rem; }
.material-rendered table { font-size: 0.9rem; width: 100%; border-collapse: collapse; margin: 0.8rem 0; }
.material-rendered th, .material-rendered td { border: 1px solid var(--clr-border-input); padding: 0.45rem 0.7rem; }
.material-rendered th { background: var(--clr-primary-faint); }


/* ── Topic-based starter card variant ── */
.starter-card--topic {
    border-color: var(--clr-border-strong);
    color: var(--clr-text-primary);
}
.starter-card--topic:hover {
    background: var(--clr-primary-faint);
    border-color: var(--clr-primary);
}

/* ── Messages ── */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scrollbar-width: thin;
}

.message {
    display: flex;
    gap: 0.6rem;
    max-width: 85%;
    animation: msg-in 0.25s ease;
}
@keyframes msg-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.message.bot {
    align-self: flex-start;
}
.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--clr-bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-card);
}

.message-content {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-xl);
    font-size: 0.92rem;
    line-height: 1.55;
    word-wrap: break-word;
}

.message.bot .message-content {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border-default);
    color: var(--clr-text-primary);
    border-top-left-radius: 0.25rem;
    box-shadow: var(--shadow-card);
}
.message.user .message-content {
    background: var(--clr-accent);
    color: var(--clr-text-onprimary);
    border-top-right-radius: 0.25rem;
}

/* ── Markdown inside bot messages ── */
.message.bot .message-content p        { margin: 0 0 0.4rem; }
.message.bot .message-content p:last-child { margin-bottom: 0; }
.message.bot .message-content strong    { font-weight: 700; color: var(--clr-primary-dark); }
.message.bot .message-content ul,
.message.bot .message-content ol        { margin: 0.3rem 0; padding-left: 1.4rem; }
.message.bot .message-content li        { margin-bottom: 0.15rem; }
.message.bot .message-content code {
    background: var(--clr-primary-faint);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    font-size: 0.85em;
    color: var(--clr-primary-dark);
}
.message.bot .message-content pre {
    background: #2c2118;
    color: #e8dbc8;
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 0.4rem 0;
    font-size: 0.82em;
}
.message.bot .message-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}
.message.bot .message-content blockquote {
    border-left: 3px solid var(--clr-primary);
    padding-left: 0.6rem;
    margin: 0.4rem 0;
    color: var(--clr-text-secondary);
    font-style: italic;
}
.message.bot .message-content h1,
.message.bot .message-content h2,
.message.bot .message-content h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0.3rem 0;
    color: var(--clr-primary-dark);
    font-family: var(--font-display);
}

/* ── Typing dots ── */
.typing-dots {
    display: flex;
    gap: 5px;
    align-items: center;
    padding: 0.7rem 1rem;
}
.typing-dots span {
    width: 7px;
    height: 7px;
    background: var(--clr-primary);
    border-radius: 50%;
    animation: bounce-dot 1.4s infinite ease-in-out both;
    opacity: 0.6;
}
.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }
@keyframes bounce-dot {
    0%, 80%, 100% { transform: scale(0); }
    40%           { transform: scale(1); }
}

/* ── Chat input area ── */
.chat-input-area {
    padding: 0.75rem 1rem 0.5rem;
    background: var(--clr-bg-overlay);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--clr-border-default);
}

.chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    background: var(--clr-bg-input);
    border: 1px solid var(--clr-border-input);
    border-radius: var(--radius-xl);
    padding: 0.4rem 0.5rem 0.4rem 1rem;
    transition: border-color 0.2s;
}
.chat-input-wrapper:focus-within {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 3px var(--clr-accent-faint);
}

.chat-input {
    flex: 1;
    border: none;
    outline: none;
    resize: none;
    font-family: inherit;
    font-size: 0.92rem;
    line-height: 1.4;
    max-height: 150px;
    padding: 0.3rem 0;
    background: transparent;
    color: var(--clr-text-primary);
}

.chat-send-btn {
    width: 40px;
    height: 40px;
    min-width: 44px;
    min-height: 44px;
    border-radius: 50%;
    background: var(--clr-accent);
    color: var(--clr-text-onprimary);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s, opacity 0.15s;
    flex-shrink: 0;
}
.chat-send-btn:hover { transform: scale(1.08); }
.chat-send-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.chat-attach-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    color: var(--clr-text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: color 0.15s;
}
.chat-attach-btn:hover { color: var(--clr-accent); }

.chat-image-preview-area {
    padding: 4px 0 2px 1rem;
}
.chat-image-preview-wrap {
    position: relative;
    display: inline-block;
}
.chat-image-preview {
    max-height: 72px;
    max-width: 108px;
    border-radius: 6px;
    border: 1px solid var(--clr-border-input);
    object-fit: cover;
}
.chat-image-remove-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--clr-bg-card);
    border: none;
    color: var(--clr-error);
    cursor: pointer;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1;
    border-radius: 50%;
}

.chat-disclaimer {
    text-align: center;
    font-size: 0.72rem;
    color: var(--clr-text-muted);
    margin: 0.4rem 0 0;
}

/* ── Conversation starter cards ── */
.starter-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem 0;
    align-self: flex-start;
    max-width: 85%;
}
.starter-card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border-default);
    border-radius: var(--radius-lg);
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
    font-family: var(--font-display);
    color: var(--clr-text-primary);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
    text-align: left;
    min-height: 44px;
    box-shadow: var(--shadow-card);
}
.starter-card:hover {
    background: var(--clr-primary-faint);
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-card-hover);
}

/* ── Hint ladder chips ── */
.hint-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.4rem 0 0.1rem;
}
.hint-chip {
    background: var(--clr-primary-faint);
    border: 1px solid var(--clr-border-default);
    border-radius: var(--radius-pill);
    padding: 0.3rem 0.8rem;
    font-size: 0.78rem;
    color: var(--clr-primary);
    cursor: pointer;
    transition: background 0.2s;
    min-height: 32px;
}
.hint-chip:hover { background: var(--clr-primary-soft); }
.hint-chip--reveal {
    background: var(--clr-error-faint);
    border-color: rgba(176,42,55,0.25);
    color: var(--clr-error);
}
.hint-chip--reveal:hover { background: rgba(176,42,55,0.15); }

/* ── Document delete button ── */
.document-delete-btn {
    display: none;
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--clr-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    min-width: 28px;
    min-height: 28px;
    border-radius: 4px;
    font-size: 0.8rem;
    transition: color 0.15s, background 0.15s;
}
.document-item:hover .document-delete-btn { display: flex; align-items: center; justify-content: center; }
.document-delete-btn:hover { color: var(--clr-error); background: var(--clr-error-faint); }

/* ── Error message with retry ── */
.message-error {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--clr-error);
}
.retry-btn {
    background: none;
    border: 1px solid var(--clr-error);
    color: var(--clr-error);
    border-radius: var(--radius-pill);
    padding: 0.2rem 0.6rem;
    font-size: 0.78rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s;
    min-height: 32px;
}
.retry-btn:hover { background: var(--clr-error-faint); }

/* ── Message action buttons (schema, TTS) ── */
.message-actions {
    margin-top: 6px;
    display: flex;
    gap: 6px;
}

.schema-btn {
    background: none;
    border: 1px solid var(--clr-border-default);
    border-radius: 6px;
    padding: 3px 10px;
    font-size: 0.78rem;
    cursor: pointer;
    color: var(--clr-text-secondary);
    transition: background 0.15s, color 0.15s;
}

.schema-btn:hover:not(:disabled) {
    background: var(--clr-primary-faint);
    color: var(--clr-text-primary);
}

.schema-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.tts-btn {
    background: none;
    border: 1px solid var(--clr-border-default);
    border-radius: 6px;
    padding: 3px 10px;
    font-size: 0.78rem;
    cursor: pointer;
    color: var(--clr-text-secondary);
    transition: background 0.15s, color 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.tts-btn:hover {
    background: var(--clr-primary-faint);
    color: var(--clr-text-primary);
}

.tts-btn--active {
    background: var(--clr-accent-faint);
    color: var(--clr-accent-dark);
}

/* ═════════════════════════════════
   Responsive: mobile breakpoint
   ═════════════════════════════════ */
@media (max-width: 991.98px) {
    .studio-sidebar {
        position: fixed;
        left: -280px;
        top: 58px;
        height: calc(100vh - 58px);
        z-index: 40;
        transition: left 0.3s ease;
        box-shadow: 4px 0 16px rgba(0,0,0,0.1);
    }
    .studio-sidebar.open {
        left: 0;
    }
    .chat-container {
        max-width: 100%;
    }
    .message {
        max-width: 92%;
    }
    .chat-input-area {
        padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
    }
    .sidebar-toggle {
        bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
        min-width: 44px;
        min-height: 44px;
    }
}

/* ── Multi-conversation sidebar ───────────────────────── */
.sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--clr-border-default);
    flex-shrink: 0;
}
.sidebar-tab {
    flex: 1;
    padding: 0.55rem 0.4rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    color: var(--clr-text-muted);
    font-size: 0.80rem;
    font-weight: 500;
    transition: color 0.15s, border-color 0.15s;
}
.sidebar-tab.active {
    color: var(--clr-accent);
    border-bottom-color: var(--clr-accent);
}
.sidebar-tab:hover:not(.active) {
    color: var(--clr-text-secondary);
}
.new-chat-btn {
    width: 100%;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.75rem;
    background: var(--clr-primary);
    color: var(--clr-text-onprimary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.83rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    justify-content: center;
    transition: background 0.15s;
}
.new-chat-btn:hover {
    background: var(--clr-primary-dark);
}
.conversations-list {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    overflow-y: auto;
    flex: 1;
}
.conversation-item {
    padding: 0.5rem 0.65rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 2px;
    transition: background 0.12s;
}
.conversation-item:hover {
    background: var(--clr-primary-faint);
}
.conversation-item.active {
    background: var(--clr-primary-soft);
}
.conv-title {
    font-size: 0.81rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--clr-text-primary);
}
.conv-date {
    font-size: 0.70rem;
    color: var(--clr-text-muted);
}

/* ──────────────────────────────────────────
   VARK Adaptation Tools
   ────────────────────────────────────────── */

.tool-buttons-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tool-btn, .tool-btn--primary {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tool-btn {
    border: 1px solid var(--clr-border-default);
    color: var(--clr-primary);
    background: var(--clr-primary-faint);
}

.tool-btn:hover:not(:disabled) {
    background: var(--clr-primary-soft);
    border-color: var(--clr-primary);
}

.tool-btn--primary {
    border: 2px solid var(--clr-primary);
    color: var(--clr-primary-dark);
    background: var(--clr-primary-soft);
    font-weight: 600;
}

.tool-btn--primary:hover:not(:disabled) {
    background: rgba(74,124,89,0.28);
    border-color: var(--clr-primary-dark);
}

.tool-btn:disabled, .tool-btn--primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.tool-btn .badge {
    font-size: 0.68rem;
    padding: 0.2rem 0.4rem;
}

/* Tool suggestion buttons in chat */
.tool-suggestions {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.tool-suggest-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--clr-primary-faint);
    border: 1px solid var(--clr-border-default);
    color: var(--clr-primary);
    font-size: 0.80rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    align-self: flex-start;
}

.tool-suggest-btn:hover {
    background: var(--clr-primary-soft);
    border-color: var(--clr-primary);
}

.tool-suggest-btn:active {
    transform: scale(0.98);
}

/* Adapt modal content */
#vis-container {
    border: 1px solid var(--clr-border-default);
    border-radius: var(--radius-sm);
    background: var(--clr-bg-card);
}

/* Tool modal footer buttons */
.modal-footer .btn-success {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: var(--clr-text-onprimary);
    font-weight: 500;
}

.modal-footer .btn-success:hover {
    background: var(--clr-primary-dark);
    border-color: var(--clr-primary-dark);
}

/* Form select for material picker */
.form-select {
    border-radius: var(--radius-sm);
    border: 1px solid var(--clr-border-input);
    padding: 0.4rem 0.7rem;
    font-size: 0.92rem;
    transition: border-color 0.2s;
}

.form-select:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 2px var(--clr-primary-faint);
    outline: none;
}

/* ══════════════════════════════════════════════
   Assessment Quiz (chat-native VARK)
   ══════════════════════════════════════════════ */

.assessment-chat-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--clr-bg-page);
    overflow: hidden;
}

.assessment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: linear-gradient(to right, var(--clr-nav-bg-start), var(--clr-nav-bg-end));
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--clr-text-onprimary);
    font-family: var(--font-display);
}

.progress-badge {
    background-color: var(--clr-bg-card);
    color: var(--clr-text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-card);
}

.assessment-chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 2rem;
    overflow-y: auto;
}

.chat-bubble {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    max-width: 500px;
    animation: fadeIn 0.3s ease-in;
    transition: opacity 0.2s ease;
}

.bubble-avatar {
    font-size: 2rem;
    flex-shrink: 0;
}

.bubble-text {
    background-color: var(--clr-bg-card);
    color: var(--clr-text-primary);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    line-height: 1.6;
    font-size: 1rem;
}

.answer-chips {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 500px;
    width: 100%;
    margin-bottom: 2rem;
    transition: opacity 0.2s ease;
}

.answer-chips.submitting .chip {
    pointer-events: none;
    opacity: 0.7;
}

.chip {
    background-color: var(--clr-bg-card);
    color: var(--clr-text-primary);
    border: 2px solid var(--clr-border-input);
    padding: 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    text-align: left;
    font-weight: 500;
    box-shadow: var(--shadow-card);
}

.chip:hover {
    border-color: var(--clr-primary);
    background-color: var(--clr-primary-faint);
    transform: translateX(4px);
}

.chip.selected {
    border-color: var(--clr-primary-dark);
    background-color: var(--clr-primary-soft);
    box-shadow: var(--shadow-card-hover);
}

.button-container {
    display: flex;
    justify-content: center;
}

.btn-next {
    background-color: var(--clr-accent);
    color: var(--clr-text-onprimary);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-float);
}

.btn-next:hover:not(:disabled) {
    background-color: var(--clr-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
}

.btn-next:disabled {
    background-color: var(--clr-border-input);
    cursor: not-allowed;
    opacity: 0.5;
}

/* ══════════════════════════════════════════════
   Dossier / VARK Results
   ══════════════════════════════════════════════ */

.dossier-page {
    background-color: var(--clr-bg-page);
    color: var(--clr-text-primary);
    min-height: 100vh;
    padding: 2rem 1rem;
}

.dossier-header {
    text-align: center;
    margin-bottom: 2rem;
}

.cactus-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.dossier-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--clr-text-primary);
    margin: 0;
    font-family: var(--font-display);
}

.dossier-hero {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeIn 0.5s ease-out;
}

.style-label {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-display);
    background: linear-gradient(to right, var(--clr-primary), var(--clr-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 1rem 0;
}

.headline {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--clr-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.score-section {
    max-width: 600px;
    margin: 0 auto 3rem;
    background-color: var(--clr-bg-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--clr-text-primary);
    margin: 0 0 1.5rem 0;
    text-align: left;
    font-family: var(--font-display);
}

.score-bars {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.score-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.score-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--clr-text-primary);
}

.score-bar-bg {
    width: 100%;
    height: 12px;
    background-color: var(--clr-border-input);
    border-radius: 6px;
    overflow: hidden;
}

.score-bar {
    height: 100%;
    border-radius: 6px;
    width: 0%;
}

.score-value {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    text-align: right;
}

.narrative-section {
    max-width: 600px;
    margin: 0 auto 3rem;
    background-color: var(--clr-bg-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.narrative-items {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.narrative-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.narrative-emoji {
    font-size: 1.75rem;
    flex-shrink: 0;
    line-height: 1.4;
}

.narrative-body {
    flex: 1;
    color: var(--clr-text-secondary);
    line-height: 1.7;
    font-size: 0.97rem;
}

.narrative-keyword {
    color: var(--clr-primary);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
}

.narrative-paragraph {
    color: var(--clr-text-secondary);
    line-height: 1.8;
    margin: 0 0 0.75rem 0;
    font-size: 1rem;
}

.strengths-section {
    max-width: 600px;
    margin: 0 auto 3rem;
}

.strength-pills {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.strength-pill {
    background: linear-gradient(to right, var(--clr-primary), var(--clr-primary-light));
    color: var(--clr-text-onprimary);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    box-shadow: var(--shadow-float);
}

.tips-section {
    max-width: 600px;
    margin: 0 auto 3rem;
}

.tip-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tip-card {
    background-color: var(--clr-bg-card);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    gap: 1rem;
    box-shadow: var(--shadow-card);
}

.tip-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.tip-text {
    flex: 1;
    color: var(--clr-text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.cta-section {
    text-align: center;
    margin: 3rem 0 2rem;
}

.btn-cta {
    display: inline-block;
    background-color: var(--clr-accent);
    color: var(--clr-text-onprimary);
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-display);
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-float);
}

.btn-cta:hover {
    background-color: var(--clr-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    color: var(--clr-text-onprimary);
}

/* Dossier responsive */
@media (max-width: 600px) {
    .dossier-page {
        padding: 1.5rem 1rem;
    }

    .style-label {
        font-size: 2rem;
    }

    .headline {
        font-size: 1rem;
    }

    .score-section,
    .narrative-section {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .tip-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .tip-icon {
        order: -1;
    }
}

/* ── Dark mode: code block exception ── */
@media (prefers-color-scheme: dark) {
    .message.bot .message-content pre { background: #0f0c09; }
}

/* ══════════════════════════════════════════════
   Sprint 7 Phase C — Chat Sidebar (right column)
   ══════════════════════════════════════════════ */

.chat-sidebar {
    background: var(--clr-bg-card);
    border-left: 1px solid var(--clr-border-default);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 58px;
    max-height: calc(100vh - 58px);
    min-height: calc(100vh - 58px);
}

.chat-sidebar__peek {
    display: none;
}

.chat-sidebar__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.chat-sidebar__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--clr-border-default);
}

.chat-sidebar__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--clr-text-primary);
}

.chat-sidebar__close {
    background: none;
    border: none;
    color: var(--clr-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    display: none;
    transition: color 0.15s;
}

.chat-sidebar__close:hover {
    color: var(--clr-text-primary);
}

/* Reuse existing drawer message styles inside sidebar */
.chat-sidebar .drawer-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-sidebar .chat-input-area {
    border-top: 1px solid var(--clr-border-default);
    padding: 0.6rem 0.75rem;
}

/* ── Drawer chat messages (modal/drawer session) ── */
.chat-sidebar .drawer-messages {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.chat-sidebar .drawer-msg {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    max-width: 85%;
    margin: 0;
}

.chat-sidebar .drawer-msg--user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-sidebar .drawer-msg--bot {
    align-self: flex-start;
}

.chat-sidebar .drawer-msg__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border-default);
    font-size: 0.95rem;
    line-height: 1;
}

.chat-sidebar .drawer-msg__content {
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-lg);
    word-break: break-word;
    font-size: 0.9rem;
    line-height: 1.4;
}

.chat-sidebar .drawer-msg--user .drawer-msg__content {
    background: var(--clr-accent);
    color: var(--clr-text-onprimary);
    border-top-right-radius: 0.25rem;
}

.chat-sidebar .drawer-msg--bot .drawer-msg__content {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border-default);
    color: var(--clr-text-primary);
    border-top-left-radius: 0.25rem;
}

.chat-sidebar .drawer-msg__content p:last-child {
    margin-bottom: 0;
}

.chat-sidebar .drawer-msg__content p:first-child {
    margin-top: 0;
}