/* ============================================
   Script Ideas — Concept Builder Styles
   ============================================ */

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

:root {
    --bg:         #0a0a0f;
    --surface:    #12121a;
    --surface2:   #1a1a26;
    --surface3:   #222233;
    --border:     #2a2a3a;
    --text:       #e8e8f0;
    --text-dim:   #8888a0;
    --text-muted: #55556a;
    --accent:     #6c5ce7;
    --accent-hover:#7d6ff0;
    --green:      #00b894;
    --green2:     #00cec9;
    --yellow:     #fdcb6e;
    --red:        #e84393;
    --blue:       #0984e3;
    --orange:     #e17055;
    --pink:       #fd79a8;
    --radius:     12px;
    --radius-sm:  8px;
    --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

/* ── Header ── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 28px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 16px; }
.back-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 18px;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    transition: all var(--transition);
}
.back-link:hover { background: var(--surface2); color: var(--text); }
.page-title {
    font-size: 1.4rem; font-weight: 700;
    display: flex; align-items: center; gap: 8px;
}
.page-title i { color: var(--yellow); }
.page-subtitle { font-size: 0.8rem; color: var(--text-dim); margin-top: 2px; }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border: none; border-radius: var(--radius-sm);
    font-family: inherit; font-size: 0.85rem; font-weight: 600;
    cursor: pointer; transition: all var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--text-dim); }
.btn-ghost:hover { background: var(--surface2); color: var(--text); }
.btn-accent { background: linear-gradient(135deg, var(--green), var(--green2)); color: #fff; }
.btn-accent:hover { filter: brightness(1.1); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); }
.btn-sm { padding: 5px 10px; font-size: 0.75rem; }
.btn-lg { padding: 12px 28px; font-size: 1rem; }
.btn-close { width: 36px; height: 36px; padding: 0; justify-content: center; font-size: 18px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Settings ── */
.settings-panel {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 20px 28px;
    animation: slideDown 0.2s ease;
}
@keyframes slideDown { from { opacity:0; transform:translateY(-10px); } to { opacity:1; transform:translateY(0); } }
.settings-inner { max-width: 500px; }
.settings-inner h3 { margin-bottom: 16px; font-size: 1rem; }

/* ── Fields ── */
.field { margin-bottom: 14px; }
.field label {
    display: block; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-dim); margin-bottom: 6px;
}
.field input, .field textarea, .field select {
    width: 100%; padding: 10px 12px;
    background: var(--surface2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text);
    font-family: inherit; font-size: 0.9rem;
    transition: border-color var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus {
    outline: none; border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 60px; }

/* ── Main Content ── */
.main-content { padding: 28px; max-width: 1400px; margin: 0 auto; }

/* ── Idea Input Section ── */
.idea-input-section { }
.idea-input-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 32px;
}
.idea-input-card h2 {
    font-size: 1.5rem; font-weight: 700; margin-bottom: 8px;
    display: flex; align-items: center; justify-content: center; gap: 10px;
}
.idea-input-card h2 i { color: var(--accent); }
.idea-input-hint {
    color: var(--text-dim); font-size: 0.85rem; margin-bottom: 20px;
}
.idea-input-card textarea {
    width: 100%; padding: 16px;
    background: var(--surface2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text);
    font-family: inherit; font-size: 1rem; line-height: 1.6;
    resize: vertical; min-height: 100px;
    transition: border-color var(--transition);
    margin-bottom: 18px;
}
.idea-input-card textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(108,92,231,0.12);
}
.idea-input-card textarea::placeholder { color: var(--text-muted); }

/* ── Saved Projects List ── */
.saved-projects {
    max-width: 800px;
    margin: 0 auto;
}
.saved-projects-title {
    font-size: 0.8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-dim); margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px;
}
.project-list { display: flex; flex-direction: column; gap: 8px; }
.project-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    transition: all var(--transition);
}
.project-item:hover {
    border-color: var(--accent);
    background: var(--surface2);
    transform: translateX(4px);
}
.project-item-left { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.project-item-icon {
    width: 38px; height: 38px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; color: #fff; flex-shrink: 0;
    background: var(--accent);
}
.project-item-info { min-width: 0; }
.project-item-name { font-weight: 600; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.project-item-meta { font-size: 0.72rem; color: var(--text-muted); display: flex; gap: 12px; }
.project-item-right { display: flex; gap: 4px; flex-shrink: 0; }

/* ── Project View ── */
.project-bar {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.project-bar-left { display: flex; align-items: center; gap: 12px; }
.project-bar-right { display: flex; gap: 8px; flex-wrap: wrap; }
.project-name { font-size: 1.3rem; font-weight: 700; }

/* ── Categories Grid ── */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 18px;
}

.category-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.25s ease;
}
.category-card:hover { border-color: rgba(108,92,231,0.3); }

.category-header {
    padding: 16px 18px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background var(--transition);
}
.category-header:hover { background: var(--surface2); }
.category-header-left { display: flex; align-items: center; gap: 10px; }
.category-icon {
    width: 34px; height: 34px; border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; color: #fff;
}
.category-name { font-weight: 700; font-size: 0.95rem; }
.category-header-right { display: flex; gap: 4px; }

.category-body {
    padding: 16px 18px;
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-dim);
    max-height: 250px;
    overflow-y: auto;
}
.category-body.expanded { max-height: none; }

/* Markdown-like content inside category */
.category-body h1, .category-body h2, .category-body h3, .category-body h4 {
    color: var(--text); margin: 12px 0 6px;
}
.category-body h2 { font-size: 1rem; color: var(--accent); }
.category-body h3 { font-size: 0.9rem; }
.category-body p { margin-bottom: 8px; }
.category-body ul, .category-body ol { padding-left: 20px; margin-bottom: 8px; }
.category-body li { margin-bottom: 3px; }
.category-body code {
    background: var(--surface2); padding: 2px 5px; border-radius: 4px;
    font-size: 0.82em; color: var(--yellow);
}
.category-body pre {
    background: var(--surface2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 12px; overflow-x: auto;
    margin: 8px 0;
}
.category-body pre code { background: none; padding: 0; }
.category-body strong { color: var(--text); }
.category-body blockquote {
    border-left: 3px solid var(--accent); padding-left: 12px;
    margin: 8px 0; font-style: italic;
}
.category-body table { width: 100%; border-collapse: collapse; margin: 8px 0; }
.category-body th, .category-body td {
    padding: 6px 10px; border: 1px solid var(--border);
    text-align: left; font-size: 0.82rem;
}
.category-body th { background: var(--surface2); font-weight: 600; color: var(--text); }

.category-toggle {
    padding: 8px 18px;
    border-top: 1px solid var(--border);
    text-align: center;
}
.category-toggle button {
    background: none; border: none; color: var(--accent);
    font-family: inherit; font-size: 0.75rem; font-weight: 600;
    cursor: pointer; padding: 4px 8px;
}
.category-toggle button:hover { text-decoration: underline; }

/* Category colors */
.cat-overview  { background: var(--accent); }
.cat-features  { background: var(--green); }
.cat-tech      { background: var(--blue); }
.cat-ui        { background: var(--pink); }
.cat-data      { background: var(--orange); }
.cat-api       { background: var(--yellow); color: #333; }
.cat-security  { background: var(--red); }
.cat-roadmap   { background: #a29bfe; }
.cat-files     { background: #636e72; }
.cat-extra     { background: #00cec9; }

/* ── Modals ── */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
    z-index: 500; display: flex; align-items: center; justify-content: center;
    padding: 20px;
    animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); width: 100%;
    max-height: 90vh; overflow: hidden;
    display: flex; flex-direction: column;
    animation: modalSlide 0.2s ease;
}
@keyframes modalSlide { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

.map-modal { max-width: 1200px; }
.export-modal { max-width: 900px; }
.expand-modal { max-width: 700px; }
.confirm-modal { max-width: 420px; padding: 24px; }
.confirm-modal h2 { font-size: 1.1rem; margin-bottom: 12px; }
.confirm-modal p { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 20px; }

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 22px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.15rem; display: flex; align-items: center; gap: 8px; }
.modal-body { padding: 22px; overflow-y: auto; flex: 1; }
.modal-footer {
    padding: 14px 22px; border-top: 1px solid var(--border);
    display: flex; align-items: center; justify-content: flex-end; gap: 8px;
}

/* Map */
.map-body { padding: 0; position: relative; min-height: 500px; }
.map-body canvas {
    width: 100%; height: 600px; display: block;
    background: var(--bg);
}

/* Export */
.export-hint { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 14px; }
.export-content {
    background: var(--surface2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 18px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.82rem; line-height: 1.6;
    color: var(--text); white-space: pre-wrap;
    max-height: 500px; overflow-y: auto;
}

/* Expand */
.expand-current {
    background: var(--surface2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 16px;
    max-height: 200px; overflow-y: auto;
    font-size: 0.85rem; color: var(--text-dim);
    line-height: 1.6; margin-bottom: 16px;
}
.expand-prompt-area label {
    display: block; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-dim); margin-bottom: 6px;
}
.expand-prompt-area textarea {
    width: 100%; padding: 10px 12px;
    background: var(--surface2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text);
    font-family: inherit; font-size: 0.9rem;
    resize: vertical; min-height: 60px;
}
.expand-prompt-area textarea:focus {
    outline: none; border-color: var(--accent);
}

/* Loading state */
.generating-overlay {
    position: absolute; inset: 0;
    background: rgba(10,10,15,0.85);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 16px;
    z-index: 10; border-radius: var(--radius);
}
.generating-overlay i { font-size: 36px; color: var(--accent); }
.generating-overlay p { color: var(--text-dim); font-size: 0.9rem; }

/* ── Toasts ── */
.toast-container {
    position: fixed; top: 20px; right: 20px;
    z-index: 9999; display: flex; flex-direction: column; gap: 8px;
}
.toast {
    padding: 12px 18px; border-radius: var(--radius-sm);
    font-size: 0.85rem; font-weight: 500; color: #fff;
    animation: toastIn 0.3s ease; max-width: 360px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
@keyframes toastIn { from { opacity:0; transform:translateX(30px); } to { opacity:1; transform:translateX(0); } }
.toast.success { background: var(--green); }
.toast.error   { background: var(--red); }
.toast.info    { background: var(--blue); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .app-header { padding: 12px 16px; }
    .main-content { padding: 16px; }
    .idea-input-card { padding: 24px 18px; }
    .categories-grid { grid-template-columns: 1fr; }
    .project-bar { flex-direction: column; align-items: stretch; }
    .project-bar-right { justify-content: flex-end; }
    .map-body canvas { height: 400px; }
    .present-sidebar { display: none; }
    .present-layout { grid-template-columns: 1fr; }
}

/* ============================================
   Presentation / Slideshow Mode
   ============================================ */
.present-overlay {
    position: fixed; inset: 0;
    background: #05050a;
    z-index: 600;
    animation: fadeIn 0.2s ease;
}

.present-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.present-sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.present-sidebar-header {
    padding: 18px 20px;
    font-weight: 700;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
}
.present-sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}
.present-toc {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}
.present-toc-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-dim);
    cursor: pointer;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}
.present-toc-item:hover {
    background: var(--surface2);
    color: var(--text);
}
.present-toc-item.active {
    background: rgba(108, 92, 231, 0.08);
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 700;
}
.present-toc-item i {
    width: 18px;
    text-align: center;
    font-size: 12px;
    flex-shrink: 0;
}
.present-toc-item span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main slide area */
.present-main {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #08080d;
}

.present-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    scroll-behavior: smooth;
}

/* Navigation bar */
.present-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 12px 24px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.present-counter {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    min-width: 50px;
    text-align: center;
}
.present-dots {
    display: flex;
    gap: 6px;
    align-items: center;
    max-width: 400px;
    overflow-x: auto;
    padding: 4px 0;
}
.present-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}
.present-dot:hover { background: var(--text-dim); }
.present-dot.active {
    background: var(--accent);
    transform: scale(1.3);
    box-shadow: 0 0 8px rgba(108, 92, 231, 0.5);
}
.present-dot.special { border-radius: 3px; }

/* ── Slide base ── */
.present-slide {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    padding: 48px 64px;
    animation: slideIn 0.3s ease;
}
@keyframes slideIn { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }

/* ── Title Slide ── */
.present-title-slide {
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(ellipse at center, rgba(108,92,231,0.06) 0%, transparent 70%);
}
.present-title-icon {
    font-size: 56px;
    color: var(--yellow);
    margin-bottom: 24px;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.present-title-text {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    max-width: 700px;
    background: linear-gradient(135deg, var(--text), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.present-title-idea {
    font-size: 1.05rem;
    color: var(--text-dim);
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 24px;
}
.present-title-meta {
    display: flex;
    gap: 24px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}
.present-title-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}
.present-title-hint {
    color: var(--text-muted);
    font-size: 0.75rem;
}
.present-title-hint p { margin-bottom: 4px; }
.present-title-hint kbd {
    display: inline-block;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 8px;
    font-family: inherit;
    font-size: 0.7rem;
    color: var(--text);
}

/* ── Category Slide ── */
.present-cat-slide {
    padding: 40px 64px 60px;
}
.present-cat-header {
    text-align: center;
    margin-bottom: 36px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}
.present-cat-step {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 16px;
}
.present-cat-icon-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}
.present-cat-title {
    font-size: 1.8rem;
    font-weight: 800;
}
.present-cat-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 0.92rem;
    line-height: 1.85;
    color: var(--text-dim);
}
.present-cat-content h1 { font-size: 1.4rem; color: var(--text); margin: 28px 0 12px; font-weight: 800; }
.present-cat-content h2 { font-size: 1.15rem; color: var(--accent); margin: 24px 0 10px; font-weight: 700; }
.present-cat-content h3 { font-size: 1rem; color: var(--green); margin: 20px 0 8px; font-weight: 700; }
.present-cat-content h4 { font-size: 0.92rem; color: var(--yellow); margin: 16px 0 6px; font-weight: 600; }
.present-cat-content p { margin-bottom: 12px; }
.present-cat-content ul, .present-cat-content ol { padding-left: 24px; margin-bottom: 14px; }
.present-cat-content li { margin-bottom: 6px; }
.present-cat-content strong { color: var(--text); }
.present-cat-content code {
    background: var(--surface2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.84em;
    color: var(--yellow);
}
.present-cat-content pre {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    overflow-x: auto;
    margin: 14px 0;
    font-size: 0.82rem;
    line-height: 1.6;
}
.present-cat-content pre code { background: none; padding: 0; }
.present-cat-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 12px 16px;
    margin: 14px 0;
    background: rgba(108, 92, 231, 0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
}
.present-cat-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 24px 0;
}
.present-cat-content table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.present-cat-content th, .present-cat-content td {
    padding: 8px 12px;
    border: 1px solid var(--border);
    text-align: left;
    font-size: 0.84rem;
}
.present-cat-content th { background: var(--surface); font-weight: 600; color: var(--text); }

/* ── End Slide ── */
.present-end-slide {
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(ellipse at center, rgba(0,184,148,0.05) 0%, transparent 70%);
}
.present-end-icon {
    font-size: 48px;
    color: var(--green);
    margin-bottom: 20px;
}
.present-end-slide h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
}
.present-end-name {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 32px;
}
.present-end-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    max-width: 800px;
    width: 100%;
    margin-bottom: 36px;
}
.present-end-stat {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    text-align: left;
}
.present-end-stat .category-icon {
    width: 32px;
    height: 32px;
    font-size: 12px;
    border-radius: 8px;
    flex-shrink: 0;
}
.present-end-stat strong {
    display: block;
    font-size: 0.78rem;
    color: var(--text);
}
.present-end-stat span {
    font-size: 0.7rem;
    color: var(--text-muted);
}
.present-end-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}