:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --card-soft: #f8fafc;
    --text: #111827;
    --muted: #64748b;
    --line: #e2e8f0;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #dbeafe;
    --danger: #ef4444;
    --danger-soft: #fee2e2;
    --green: #16a34a;
    --shadow: 0 22px 60px rgba(15, 23, 42, .08);
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 14px;
}

* { box-sizing: border-box; }

html {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    margin: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at 18% -10%, rgba(37, 99, 235, .12), transparent 34%),
        radial-gradient(circle at 88% 8%, rgba(14, 165, 233, .10), transparent 28%),
        var(--bg);
    color: var(--text);
}

body.bitrix-frame {
    background: var(--bg);
}


button, input, textarea { font: inherit; }
button { cursor: pointer; }

.app-shell {
    width: 100%;
    height: 100vh;
    height: 100dvh;
    margin: 0;
    padding: 14px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    height: 74px;
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 18px;
    margin-bottom: 12px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, .84);
    border: 1px solid rgba(226, 232, 240, .92);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }

.logo-wrap {
    width: 186px;
    height: 50px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border-radius: 16px;
    background: linear-gradient(135deg, #eef2ff, #eff6ff);
    border: 1px solid #dbeafe;
    flex: 0 0 auto;
}

.logo-img { max-width: 170px; max-height: 38px; object-fit: contain; }

.logo-fallback {
    width: 44px;
    height: 44px;
    border-radius: 15px;
    place-items: center;
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    color: #fff;
    font-weight: 850;
    letter-spacing: -.04em;
}

.workspace {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tabs-card, .debug-card {
    background: rgba(255, 255, 255, .88);
    border: 1px solid rgba(226, 232, 240, .95);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.tabs-card {
    flex: 1 1 auto;
    min-height: 0;
    padding: 14px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tabs {
    flex: 0 0 auto;
    display: inline-flex;
    padding: 5px;
    border-radius: 999px;
    background: #eef2f7;
    border: 1px solid var(--line);
    margin-bottom: 12px;
}

.tab-button, .provider-button {
    border: 0;
    border-radius: 999px;
    background: transparent;
    padding: 11px 18px;
    color: var(--muted);
    font-weight: 800;
    transition: .18s ease;
}

.tab-button.active, .provider-button.active {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 7px 20px rgba(15,23,42,.08);
}

.tab-panel {
    display: none;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}
.tab-panel.active {
    display: flex;
    flex-direction: column;
}

.integration-grid, .llm-grid {
    flex: 1 1 auto;
    min-height: 0;
    display: grid;
    grid-template-columns: 390px minmax(0, 1fr);
    gap: 14px;
    overflow: hidden;
}

.fields-panel, .prompt-panel, .settings-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 18px;
    min-width: 0;
    min-height: 0;
}

.fields-panel, .prompt-panel, .settings-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.prompt-panel, .proxy-panel {
    min-height: 0;
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 16px;
}

.compact-heading { margin-bottom: 14px; }

h1 { margin: 0; font-size: clamp(28px, 3vw, 42px); letter-spacing: -.055em; line-height: 1.04; }
h2 { margin: 0; font-size: 20px; letter-spacing: -.035em; }

.panel-heading p,
.proxy-title-row p {
    margin: 5px 0 0;
    color: var(--muted);
    line-height: 1.45;
    font-size: 13px;
}

.small-button, .primary-button {
    border: 1px solid var(--line);
    border-radius: 13px;
    padding: 10px 13px;
    background: #fff;
    color: #334155;
    font-weight: 800;
    transition: .18s ease;
    white-space: nowrap;
}

.small-button:hover { border-color: #bfdbfe; color: var(--primary); background: #eff6ff; }
.primary-button { border-color: var(--primary); background: var(--primary); color: #fff; box-shadow: 0 10px 24px rgba(37, 99, 235, .22); }
.primary-button:hover { background: var(--primary-dark); transform: translateY(-1px); }
.prompt-actions { display: flex; gap: 8px; align-items: center; }

.search-box, .form-field {
    display: grid;
    gap: 7px;
    color: #334155;
    font-weight: 800;
    font-size: 13px;
}

.search-box input, .form-field input, .template-preview textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 14px;
    padding: 12px 13px;
    outline: none;
    color: var(--text);
    transition: .18s ease;
}

.search-box input:focus, .form-field input:focus, .template-preview textarea:focus {
    border-color: #93c5fd;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
}

.field-list {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 9px;
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    padding-right: 4px;
}

.field-chip, .prompt-token, .drag-clone.active {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid #bfdbfe;
    background: linear-gradient(180deg, #eff6ff, #dbeafe);
    color: #1d4ed8;
    font-weight: 850;
    font-size: 13px;
    line-height: 1.15;
    user-select: none;
    white-space: nowrap;
}

.field-chip {
    cursor: grab;
    box-shadow: 0 8px 18px rgba(37, 99, 235, .08);
    transition: transform .14s ease, opacity .14s ease, box-shadow .14s ease;
}

.field-chip:hover { transform: translateY(-1px); box-shadow: 0 12px 22px rgba(37, 99, 235, .12); }
.field-chip.drag-source { opacity: .35; transform: scale(.98); }

.field-chip small,
.prompt-token small,
.drag-clone small {
    color: #64748b;
    font-weight: 750;
}

.prompt-token {
    margin: 0 3px;
    cursor: default;
    vertical-align: baseline;
}

.token-remove {
    width: 18px;
    height: 18px;
    display: inline-grid;
    place-items: center;
    border: 0;
    border-radius: 999px;
    background: var(--danger-soft);
    color: var(--danger);
    font-weight: 950;
    font-size: 14px;
    line-height: 1;
    padding: 0;
    margin-left: 2px;
}

.token-remove:hover { background: var(--danger); color: #fff; }

.drag-clone {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transform: translate3d(-9999px, -9999px, 0);
    box-shadow: 0 18px 36px rgba(37, 99, 235, .18);
}

.drag-clone.active { opacity: 1; }

.prompt-editor {
    flex: 1 1 auto;
    min-height: 0;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: linear-gradient(180deg, #fff, #fbfdff);
    padding: 18px;
    outline: none;
    line-height: 1.72;
    font-size: 15px;
    box-shadow: inset 0 1px 0 rgba(15,23,42,.03);
}

.prompt-editor:focus { border-color: #93c5fd; box-shadow: 0 0 0 4px rgba(37,99,235,.08); }
.prompt-editor.drag-over { border-color: var(--primary); background: #eff6ff; }
.prompt-editor p { margin: 0 0 12px; }

.template-preview {
    flex: 0 0 150px;
    min-height: 0;
    margin-top: 12px;
}
.preview-title { color: var(--muted); font-size: 12px; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.template-preview textarea { height: 118px; min-height: 118px; resize: none; color: #475569; background: #f8fafc; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 12px; line-height: 1.55; }

.provider-switch { display: inline-flex; padding: 5px; border-radius: 999px; background: #eef2f7; border: 1px solid var(--line); margin-bottom: 18px; }
.form-grid { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.proxy-port-field { max-width: 180px; }
.proxy-panel { min-height: 100%; }
.proxy-title-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}
.proxy-title-row h2 { padding-top: 2px; }
.proxy-fields { display: grid; gap: 12px; opacity: 1; transition: .18s ease; }
.proxy-fields.disabled { opacity: .52; }
.save-row { display: flex; justify-content: flex-end; margin-top: 18px; }

.switch { position: relative; display: inline-flex; width: 54px; height: 32px; flex: 0 0 auto; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; inset: 0; background: #cbd5e1; border-radius: 999px; transition: .2s ease; }
.slider::before { content: ""; position: absolute; width: 26px; height: 26px; left: 3px; top: 3px; background: #fff; border-radius: 50%; box-shadow: 0 3px 9px rgba(15,23,42,.20); transition: .2s ease; }
.switch input:checked + .slider { background: var(--primary); }
.switch input:checked + .slider::before { transform: translateX(22px); }

.toast {
    position: fixed;
    right: 22px;
    bottom: 22px;
    max-width: 420px;
    padding: 14px 16px;
    border-radius: 16px;
    background: #0f172a;
    color: #fff;
    font-weight: 750;
    box-shadow: 0 18px 60px rgba(15,23,42,.28);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: .2s ease;
}
.toast.show { opacity: 1; transform: translateY(0); }

.install-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}
.install-card {
    width: min(620px, 100%);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 28px;
}
.install-logo { max-width: 190px; max-height: 54px; object-fit: contain; margin-bottom: 14px; }
.install-card p { color: #475569; line-height: 1.55; }
.muted { color: var(--muted); }
.install-meta { margin-top: 14px; color: var(--muted); font-size: 12px; }

.debug-card { padding: 22px; }
.debug-card dl { display: grid; grid-template-columns: 160px minmax(0,1fr); gap: 8px 14px; }
.debug-card dt { color: var(--muted); font-weight: 800; }
.debug-card dd { margin: 0; }
.debug-card pre { overflow: auto; background: #0f172a; color: #e2e8f0; padding: 14px; border-radius: 14px; }

@media (max-width: 1100px) {
    .integration-grid, .llm-grid { grid-template-columns: 1fr; overflow: auto; }
}

@media (max-width: 720px) {
    .app-shell { padding: 10px; }
    .topbar { align-items: flex-start; }
    .logo-wrap { width: 142px; }
    .tabs { display: grid; width: 100%; }
    .tab-button { width: 100%; }
    .form-row { grid-template-columns: 1fr; }
    .proxy-port-field { max-width: none; }
    .prompt-heading, .panel-heading { flex-direction: column; }
}