* {
    box-sizing: border-box;
}

:root {
    --bg-1: #f4f8ff;
    --bg-2: #f6fbf8;
    --surface: rgba(255, 255, 255, 0.80);
    --surface-strong: rgba(255, 255, 255, 0.94);
    --border: rgba(94, 126, 159, 0.16);
    --text: #17324d;
    --muted: #6e8397;
    --primary: #4677ff;
    --primary-2: #6f90ff;
    --dark: #18304a;
    --success: #2dbf8e;
    --danger: #f25f76;
    --orange: #ff9f52;
    --shadow: 0 14px 40px rgba(28, 61, 97, 0.10);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 16px;
}

html, body {
    margin: 0;
    min-height: 100%;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(120, 166, 255, 0.16), transparent 26%),
        radial-gradient(circle at bottom right, rgba(55, 197, 155, 0.12), transparent 28%),
        linear-gradient(145deg, var(--bg-1), var(--bg-2));
}

.app-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 10% 15%, rgba(76, 135, 255, 0.16), transparent 18%),
        radial-gradient(circle at 85% 20%, rgba(51, 196, 157, 0.12), transparent 16%),
        radial-gradient(circle at 75% 80%, rgba(255, 172, 96, 0.10), transparent 14%);
}

body { position: relative; }

.app-shell {
    width: min(1480px, calc(100% - 28px));
    margin: 18px auto 28px;
    position: relative;
    z-index: 1;
}

.glass-card {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: var(--radius-xl);
}

.hero {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 26px;
}

.eyebrow {
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(70, 119, 255, 0.10);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hero h1 {
    margin: 14px 0 10px;
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1;
}

.hero p {
    margin: 0;
    max-width: 860px;
    color: var(--muted);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.workspace-grid {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 18px;
    margin-top: 18px;
}

.sidebar,
.stepper-card,
.content-card,
.matrix-box,
.wizard-footer {
    padding: 18px;
}

.sidebar {
    height: fit-content;
    position: sticky;
    top: 18px;
}

.sidebar-head,
.section-toolbar,
.panel-head,
.matrix-head,
.item-head,
.action-head,
.strategy-head,
.wizard-footer {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.sidebar-head h2,
.panel-head h2,
.section-toolbar h3,
.strategy-head h3,
.matrix-head h3 {
    margin: 0;
}

.sidebar-search {
    margin: 14px 0;
}

.analysis-list,
.item-grid,
.matrix-list,
.strategy-list,
.action-list {
    display: grid;
    gap: 12px;
}

.analysis-card,
.item-card,
.matrix-item,
.strategy-card,
.action-card,
.summary-card,
.mini-info-box,
.hint-box,
.preview-chip,
.mini-stat {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface-strong);
    padding: 14px 16px;
}

.analysis-card.active {
    background: linear-gradient(135deg, rgba(70, 119, 255, 0.12), rgba(46, 191, 142, 0.08));
}

.analysis-card h4 {
    margin: 0 0 8px;
    font-size: 15px;
}

.analysis-card p,
.item-card p,
.matrix-item p,
.strategy-card p,
.action-card p,
.panel-head p,
.section-toolbar p {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}

.analysis-card .analysis-meta,
.item-meta,
.matrix-meta,
.strategy-meta,
.action-meta {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
    margin-top: 8px;
}

.analysis-actions,
.item-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.stepper-card { margin-bottom: 16px; }

.stepper {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
}

.step {
    border: 0;
    background: transparent;
    border-radius: 16px;
    padding: 12px 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--muted);
    text-align: left;
}

.step.active {
    background: linear-gradient(135deg, rgba(70, 119, 255, 0.12), rgba(46, 191, 142, 0.10));
    color: var(--text);
}

.step-index {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: rgba(255,255,255,0.8);
    border: 1px solid var(--border);
    font-weight: 700;
}

.step.active .step-index {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff;
    border-color: transparent;
}

.step-label {
    font-size: 14px;
    font-weight: 700;
}

.panel { display: none; }
.panel.active { display: block; animation: fadeUp 0.24s ease; }

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

.panel-kicker {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 8px;
}

.panel-head h2 {
    font-size: 30px;
    margin-bottom: 8px;
}

.panel-head p { max-width: 920px; }

.panel-stats,
.summary-grid,
.ai-info-grid,
.toolbar-controls,
.preview-strip,
.hint-list,
.form-grid,
.split-layout,
.matrix-grid,
.strategy-grid {
    display: grid;
    gap: 14px;
}

.panel-stats {
    grid-template-columns: repeat(2, minmax(110px, 1fr));
}

.summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ai-info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.toolbar-controls { grid-auto-flow: column; grid-auto-columns: max-content; align-items: center; }
.preview-strip { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
.hint-list { grid-template-columns: 1fr; }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.split-layout { grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.9fr); margin-bottom: 16px; }
.matrix-grid,
.strategy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 16px; }

.compact-card { height: fit-content; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }

label {
    font-size: 14px;
    font-weight: 700;
}

input,
select,
textarea,
button {
    font: inherit;
}

input[type="text"],
select,
textarea {
    width: 100%;
    border: 1px solid rgba(95, 127, 160, 0.18);
    background: rgba(255, 255, 255, 0.88);
    border-radius: 16px;
    color: var(--text);
    padding: 14px 16px;
    outline: none;
    transition: 0.18s ease;
}

textarea {
    resize: vertical;
    min-height: 110px;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
    border-color: rgba(70, 119, 255, 0.44);
    box-shadow: 0 0 0 4px rgba(70, 119, 255, 0.10);
}

input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
}

.range-value {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.preview-label,
.mini-stat span,
.summary-card span {
    color: var(--muted);
    font-size: 12px;
    display: block;
    margin-bottom: 6px;
}

.summary-card strong,
.mini-stat strong {
    font-size: 24px;
}

.hint-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hint-box span { color: var(--primary); font-weight: 700; }

.action-end {
    display: flex;
    justify-content: flex-end;
}

.btn,
.mini-btn {
    border: 0;
    border-radius: 16px;
    cursor: pointer;
    font-weight: 700;
    transition: transform 0.14s ease, opacity 0.14s ease;
}

.btn {
    padding: 14px 18px;
}

.mini-btn {
    padding: 10px 12px;
    font-size: 12px;
}

.btn:hover,
.mini-btn:hover { transform: translateY(-1px); }

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 10px 24px rgba(70, 119, 255, 0.22);
}

.btn-soft,
.mini-soft {
    color: var(--text);
    background: rgba(255,255,255,0.74);
    border: 1px solid var(--border);
}

.btn-dark {
    color: #fff;
    background: var(--dark);
}

.mini-edit {
    background: rgba(70, 119, 255, 0.12);
    color: var(--primary);
}

.mini-delete {
    background: rgba(242, 95, 118, 0.12);
    color: var(--danger);
}

.mini-add {
    background: rgba(45, 191, 142, 0.14);
    color: #14986b;
}

.badge,
.tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.badge.strength,
.tag.green { background: rgba(45, 191, 142, 0.14); color: #16986b; }
.badge.weakness,
.tag.red { background: rgba(242, 95, 118, 0.14); color: #cc4760; }
.badge.opportunity,
.tag.blue { background: rgba(70, 119, 255, 0.14); color: #3565e3; }
.badge.threat,
.tag.orange { background: rgba(255, 159, 82, 0.16); color: #d57a2a; }

.item-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.matrix-box.dropzone {
    min-height: 320px;
}

.matrix-box.drag-over {
    outline: 2px dashed rgba(70, 119, 255, 0.40);
    outline-offset: 4px;
}

.draggable {
    cursor: grab;
}

.draggable.dragging {
    opacity: 0.5;
}

.empty-state {
    padding: 16px;
    border-radius: 18px;
    border: 1px dashed rgba(111, 144, 177, 0.24);
    background: rgba(255, 255, 255, 0.54);
    color: var(--muted);
}

.wizard-footer {
    margin-top: 16px;
    align-items: center;
}

.footer-center {
    color: var(--muted);
    font-weight: 700;
}

@media (max-width: 1240px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }
}

@media (max-width: 1080px) {
    .stepper,
    .summary-grid,
    .ai-info-grid,
    .form-grid,
    .split-layout,
    .matrix-grid,
    .strategy-grid {
        grid-template-columns: 1fr;
    }

    .hero,
    .wizard-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-controls {
        grid-auto-flow: row;
    }
}