/* Konecia brand kit v2.1 — Drawer + form primitives reusables.
   Cargado globalmente desde App.razor para que cualquier página con drawer
   (AdsCampaignBuilder, WhatsAppTemplates, Integrations, etc.) reuse las
   mismas clases sin duplicar CSS isolation.
   Tipografías: Geist (sans), Geist Mono (eyebrow/labels). */

/* ─── Drawer overlay ───────────────────────────────────────────── */

.builder-overlay {
    position: fixed;
    inset: 0;
    background: rgba(14, 20, 20, 0.45);
    backdrop-filter: blur(2px);
    z-index: 90;
    animation: kc-fade-in 160ms ease-out;
}

.builder-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 720px;
    max-width: 100vw;
    background: var(--kc-color-paper);
    box-shadow: -24px 0 48px -16px rgba(14, 20, 20, 0.18);
    z-index: 100;
    display: flex;
    flex-direction: column;
    animation: kc-slide-in-right 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes kc-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes kc-slide-in-right {
    from { transform: translateX(40px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ─── Drawer header ────────────────────────────────────────────── */

.builder-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px 16px 28px;
    border-bottom: 1px solid var(--kc-border);
    background: var(--kc-color-paper);
}

.builder-eyebrow {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kc-color-neutral);
    margin: 0 0 6px 0;
}

.builder-title {
    font-family: var(--kc-font-sans, system-ui);
    font-size: 22px;
    font-weight: 600;
    margin: 0;
    color: var(--kc-fg);
    line-height: 1.25;
}

.builder-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--kc-border);
    background: var(--kc-color-paper);
    color: var(--kc-color-neutral);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 120ms ease;
}

.builder-close:hover {
    color: var(--kc-fg);
    background: var(--kc-bg-elevated);
}

/* ─── Stepper ──────────────────────────────────────────────────── */

.builder-stepper {
    display: flex;
    align-items: center;
    padding: 18px 28px;
    border-bottom: 1px solid var(--kc-border);
    background: var(--kc-bg-elevated);
    gap: 4px;
}

.builder-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    position: relative;
    background: none;
    border: none;
    padding: 4px 0;
    font-family: inherit;
}

.builder-step-circle {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    border: 2px solid var(--kc-border);
    background: var(--kc-color-paper);
    color: var(--kc-color-neutral);
    transition: all 160ms ease;
}

.builder-step.is-active .builder-step-circle {
    border-color: var(--kc-color-emerald, #10B981);
    background: var(--kc-color-emerald, #10B981);
    color: white;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
}

.builder-step.is-completed .builder-step-circle {
    border-color: var(--kc-color-emerald, #10B981);
    background: var(--kc-color-emerald, #10B981);
    color: white;
}

.builder-step.is-completed .builder-step-circle::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 12px;
}

.builder-step.is-completed .builder-step-circle .step-number {
    display: none;
}

.builder-step-label {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--kc-color-neutral);
    font-weight: 500;
}

.builder-step.is-active .builder-step-label {
    color: var(--kc-fg);
    font-weight: 600;
}

.builder-step-connector {
    flex: 0 0 auto;
    width: 28px;
    height: 2px;
    background: var(--kc-border);
    margin-top: 12px;
    align-self: flex-start;
}

.builder-step-connector.is-completed {
    background: var(--kc-color-emerald, #10B981);
}

/* ─── Drawer body ──────────────────────────────────────────────── */

.builder-body {
    flex: 1;
    overflow-y: auto;
    padding: 28px;
}

.builder-section-title {
    font-family: var(--kc-font-sans, system-ui);
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 6px 0;
    color: var(--kc-fg);
    line-height: 1.3;
}

.builder-section-hint {
    font-size: 13px;
    color: var(--kc-color-neutral);
    line-height: 1.6;
    margin: 0 0 24px 0;
    max-width: 580px;
}

/* ─── Form field ──────────────────────────────────────────────── */

.builder-field {
    margin-bottom: 20px;
}

.builder-label {
    display: block;
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--kc-color-neutral);
    font-weight: 500;
    margin-bottom: 8px;
}

.builder-input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--kc-border);
    border-radius: 10px;
    background: var(--kc-color-paper);
    font-family: var(--kc-font-sans, system-ui);
    font-size: 14px;
    color: var(--kc-fg);
    transition: all 120ms ease;
    box-sizing: border-box;
}

.builder-input:focus {
    outline: none;
    border-color: var(--kc-color-emerald, #10B981);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.builder-input:disabled {
    background: var(--kc-bg-elevated);
    color: var(--kc-color-neutral);
    cursor: not-allowed;
}

.builder-input-mono {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 13px;
}

.builder-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--kc-color-neutral);
    line-height: 1.5;
}

/* ─── Preset cards ────────────────────────────────────────────── */

.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.preset-card {
    border: 1px solid var(--kc-border);
    border-radius: 12px;
    padding: 16px;
    text-align: left;
    cursor: pointer;
    background: var(--kc-color-paper);
    transition: all 160ms ease;
    font-family: inherit;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 130px;
}

.preset-card:hover {
    border-color: var(--kc-color-emerald, #10B981);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px -8px rgba(14, 20, 20, 0.1);
}

.preset-card.is-selected {
    border-color: var(--kc-color-emerald, #10B981);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.04) 0%, rgba(198, 242, 75, 0.06) 100%);
    box-shadow: 0 0 0 2px var(--kc-color-emerald, #10B981);
}

.preset-card-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--kc-fg);
    line-height: 1.3;
}

.preset-card-desc {
    font-size: 12px;
    color: var(--kc-color-neutral);
    line-height: 1.5;
    flex: 1;
}

.preset-card-min {
    display: inline-block;
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 11px;
    padding: 3px 8px;
    background: var(--kc-bg-elevated);
    color: var(--kc-color-emerald, #10B981);
    border-radius: 6px;
    align-self: flex-start;
    font-weight: 500;
}

.preset-card.is-selected .preset-card-min {
    background: var(--kc-color-emerald, #10B981);
    color: white;
}

/* ─── Adset/Creative card builder ──────────────────────────────── */

.builder-subcard {
    border: 1px solid var(--kc-border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    background: var(--kc-color-paper);
}

.builder-subcard-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.builder-subcard-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--kc-bg-elevated);
    color: var(--kc-color-emerald, #10B981);
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.builder-trash {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--kc-border);
    background: var(--kc-color-paper);
    color: var(--kc-color-neutral);
    cursor: pointer;
    transition: all 120ms ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.builder-trash:hover {
    border-color: var(--kc-color-danger, #DC2626);
    color: var(--kc-color-danger, #DC2626);
}

.builder-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

@media (max-width: 720px) {
    .builder-grid-3 { grid-template-columns: 1fr; }
}

/* ─── Review (step 4) ──────────────────────────────────────────── */

.builder-review-card {
    background: linear-gradient(135deg, var(--kc-bg-elevated) 0%, var(--kc-color-paper) 100%);
    border: 1px solid var(--kc-border);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 16px;
}

.builder-review-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--kc-fg);
    margin: 0 0 4px 0;
}

.builder-review-meta {
    font-size: 13px;
    color: var(--kc-color-neutral);
}

.builder-review-counts {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--kc-border);
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 12px;
    color: var(--kc-color-neutral);
}

/* ─── Drawer footer ────────────────────────────────────────────── */

.builder-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 18px 28px;
    border-top: 1px solid var(--kc-border);
    background: var(--kc-bg-elevated);
}

.builder-footer .spacer {
    flex: 1;
}

/* ─── Error banner ─────────────────────────────────────────────── */

.builder-error {
    margin-top: 14px;
    padding: 12px 14px;
    background: rgba(220, 38, 38, 0.06);
    border: 1px solid rgba(220, 38, 38, 0.25);
    border-radius: 10px;
    color: var(--kc-color-danger, #DC2626);
    font-size: 13px;
    line-height: 1.5;
}

/* ─── Add button (Add adset / Add creative) ────────────────────── */

.builder-add-btn {
    width: 100%;
    padding: 12px;
    border: 1px dashed var(--kc-border);
    border-radius: 10px;
    background: transparent;
    color: var(--kc-color-neutral);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 120ms ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.builder-add-btn:hover {
    border-color: var(--kc-color-emerald, #10B981);
    color: var(--kc-color-emerald, #10B981);
    background: rgba(16, 185, 129, 0.04);
}

/* ─── Adset section header ─────────────────────────────────────── */

.builder-adset-heading {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--kc-color-neutral);
    margin: 18px 0 10px 0;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--kc-border);
}

/* Read-only code block used to display copy-paste embed snippets, curl examples, etc. */
.kc-snippet {
    background: var(--kc-color-ink, #0b1220);
    color: var(--kc-color-bone, #e2e8f0);
    border-radius: 12px;
    padding: 14px 16px;
    font-family: var(--kc-font-mono, ui-monospace, "SFMono-Regular", Menlo, monospace);
    font-size: 12.5px;
    line-height: 1.55;
    overflow-x: auto;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    border: 1px solid color-mix(in srgb, var(--kc-color-ink, #0b1220) 60%, var(--kc-border) 40%);
}
.kc-snippet code { color: inherit; background: transparent; padding: 0; }

/* ─── kc-section — block-style form sections (SaaS-pro look) ───────
   Usable from EmailCampaigns, WhatsAppCampaigns, Automations, etc.
   Lleva eyebrow numerado mono + título sans + hint + cuerpo de inputs. */

.kc-section {
    border: 1px solid var(--kc-border);
    border-radius: 14px;
    background: var(--kc-color-paper);
    padding: 22px 24px 20px;
    margin-bottom: 18px;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.kc-section:focus-within {
    border-color: color-mix(in srgb, var(--kc-color-emerald, #10B981) 50%, var(--kc-border) 50%);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.08);
}

.kc-section-header {
    margin-bottom: 18px;
}

.kc-section-eyebrow {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kc-color-neutral);
    margin: 0 0 4px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.kc-section-eyebrow .sect-num {
    color: var(--kc-color-emerald, #10B981);
    font-weight: 600;
}

.kc-section-title {
    font-family: var(--kc-font-sans, system-ui);
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--kc-fg);
    line-height: 1.3;
}

.kc-section-hint {
    margin: 4px 0 0 0;
    font-size: 12.5px;
    color: var(--kc-color-neutral);
    line-height: 1.5;
}

.kc-section + .kc-section { margin-top: 0; }

/* ─── Card-toggle radio (sender choice, schedule mode) ─────────── */

.kc-toggle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
}

.kc-toggle-card {
    border: 1px solid var(--kc-border);
    border-radius: 12px;
    padding: 14px 16px;
    text-align: left;
    cursor: pointer;
    background: var(--kc-color-paper);
    font-family: inherit;
    transition: all 160ms ease;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    width: 100%;
}

.kc-toggle-card:hover:not(:disabled) {
    border-color: var(--kc-color-emerald, #10B981);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px -10px rgba(14, 20, 20, 0.12);
}

.kc-toggle-card:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.kc-toggle-card.is-active {
    border-color: var(--kc-color-emerald, #10B981);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(198, 242, 75, 0.07) 100%);
    box-shadow: 0 0 0 1px var(--kc-color-emerald, #10B981);
}

.kc-toggle-radio {
    width: 18px;
    height: 18px;
    border-radius: 999px;
    border: 1.5px solid var(--kc-border);
    background: var(--kc-color-paper);
    flex-shrink: 0;
    margin-top: 1px;
    position: relative;
    transition: all 160ms ease;
}

.kc-toggle-card.is-active .kc-toggle-radio {
    border-color: var(--kc-color-emerald, #10B981);
}

.kc-toggle-card.is-active .kc-toggle-radio::after {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: 999px;
    background: var(--kc-color-emerald, #10B981);
}

.kc-toggle-body {
    flex: 1;
    min-width: 0;
}

.kc-toggle-title {
    font-weight: 600;
    font-size: 13.5px;
    color: var(--kc-fg);
    line-height: 1.3;
    margin-bottom: 3px;
}

.kc-toggle-desc {
    font-size: 12px;
    color: var(--kc-color-neutral);
    line-height: 1.45;
}

/* ─── Status chips (audience filter) ───────────────────────────── */

.kc-status-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.kc-status-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid var(--kc-border);
    background: var(--kc-color-paper);
    color: var(--kc-fg);
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 140ms ease;
}

.kc-status-chip:hover:not(:disabled) {
    border-color: var(--kc-color-emerald, #10B981);
}

.kc-status-chip:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.kc-status-chip .chk {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    border: 1.5px solid var(--kc-border);
    background: var(--kc-color-paper);
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: white;
    transition: all 140ms ease;
}

.kc-status-chip.is-active {
    background: var(--kc-color-emerald, #10B981);
    border-color: var(--kc-color-emerald, #10B981);
    color: white;
}

.kc-status-chip.is-active .chk {
    background: white;
    border-color: white;
    color: var(--kc-color-emerald, #10B981);
}

/* ─── Audience preview card with hero counter ──────────────────── */

.kc-audience-card {
    margin-top: 4px;
    border: 1px solid var(--kc-border);
    border-radius: 12px;
    background: linear-gradient(180deg, var(--kc-bg-elevated) 0%, var(--kc-color-paper) 100%);
    padding: 16px 18px;
}

.kc-audience-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 12px;
}

.kc-audience-card-label {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kc-color-neutral);
    margin: 0;
}

.kc-audience-recalc {
    border: 1px solid var(--kc-border);
    background: var(--kc-color-paper);
    color: var(--kc-color-neutral);
    border-radius: 999px;
    padding: 4px 10px;
    font-family: inherit;
    font-size: 11.5px;
    cursor: pointer;
    transition: all 140ms ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.kc-audience-recalc:hover:not(:disabled) {
    border-color: var(--kc-color-emerald, #10B981);
    color: var(--kc-color-emerald, #10B981);
}

.kc-audience-recalc:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.kc-audience-hero {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 6px;
}

.kc-audience-hero-num {
    font-family: var(--kc-font-sans, system-ui);
    font-size: 38px;
    font-weight: 600;
    line-height: 1;
    color: var(--kc-color-emerald, #10B981);
    letter-spacing: -0.01em;
}

.kc-audience-hero-suffix {
    font-size: 13px;
    color: var(--kc-color-neutral);
    font-weight: 500;
}

.kc-audience-bar {
    height: 6px;
    border-radius: 999px;
    background: var(--kc-bg-elevated);
    overflow: hidden;
    margin: 8px 0 10px;
    border: 1px solid var(--kc-border);
}

.kc-audience-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--kc-color-emerald, #10B981) 0%, var(--kc-color-lime, #C6F24B) 100%);
    transition: width 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.kc-audience-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    font-size: 12px;
    color: var(--kc-color-neutral);
}

.kc-audience-stats strong { color: var(--kc-fg); font-weight: 600; }

.kc-audience-sample {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--kc-border);
}

.kc-audience-sample summary {
    cursor: pointer;
    font-size: 12.5px;
    color: var(--kc-color-neutral);
    list-style: none;
}

.kc-audience-sample summary::-webkit-details-marker { display: none; }
.kc-audience-sample summary::before {
    content: "▸";
    margin-right: 6px;
    display: inline-block;
    transition: transform 160ms ease;
}
.kc-audience-sample[open] summary::before { transform: rotate(90deg); }

.kc-audience-sample-list {
    margin: 8px 0 0 0;
    padding-left: 18px;
    font-size: 12.5px;
    line-height: 1.7;
}

/* ─── Template preview card (inline thumbnail) ─────────────────── */

.kc-template-preview {
    margin-top: 12px;
    border: 1px solid var(--kc-border);
    border-radius: 12px;
    background: var(--kc-bg-elevated);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.kc-template-preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.kc-template-preview-name {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 12.5px;
    color: var(--kc-fg);
    font-weight: 600;
}

.kc-template-preview-tags {
    display: inline-flex;
    gap: 6px;
}

.kc-template-preview-tag {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: 6px;
    background: var(--kc-color-paper);
    border: 1px solid var(--kc-border);
    color: var(--kc-color-neutral);
}

.kc-template-preview-subject {
    font-size: 13px;
    color: var(--kc-fg);
    line-height: 1.4;
}

.kc-template-preview-subject .muted {
    color: var(--kc-color-neutral);
    font-size: 11.5px;
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    margin-right: 6px;
}

.kc-template-empty {
    margin-top: 10px;
    border: 1px dashed var(--kc-border);
    border-radius: 12px;
    background: var(--kc-bg-elevated);
    padding: 24px 18px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.kc-template-empty-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--kc-color-paper);
    border: 1px solid var(--kc-border);
    color: var(--kc-color-emerald, #10B981);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 4px;
}

.kc-template-empty-title { font-weight: 600; font-size: 14px; color: var(--kc-fg); }
.kc-template-empty-desc { font-size: 12.5px; color: var(--kc-color-neutral); line-height: 1.5; max-width: 320px; }

/* ─── Template-variables hint (tooltip popover) ────────────────── */

.kc-vars {
    position: relative;
    display: inline-block;
}

.kc-vars-trigger {
    border: 1px solid var(--kc-border);
    background: var(--kc-color-paper);
    color: var(--kc-color-neutral);
    border-radius: 999px;
    padding: 4px 10px;
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 11px;
    letter-spacing: 0.06em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 140ms ease;
}

.kc-vars-trigger:hover, .kc-vars-trigger.is-open {
    border-color: var(--kc-color-emerald, #10B981);
    color: var(--kc-color-emerald, #10B981);
    background: rgba(16, 185, 129, 0.04);
}

.kc-vars-pop {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    width: 320px;
    max-width: calc(100vw - 32px);
    background: var(--kc-color-paper);
    border: 1px solid var(--kc-border);
    border-radius: 12px;
    box-shadow: 0 16px 40px -16px rgba(14, 20, 20, 0.2);
    z-index: 200;
    padding: 14px 16px;
    animation: kc-fade-in 140ms ease-out;
}

.kc-vars-pop h4 {
    margin: 0 0 4px 0;
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 10.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kc-color-neutral);
    font-weight: 500;
}

.kc-vars-pop p.kc-vars-intro {
    margin: 0 0 10px 0;
    font-size: 12px;
    color: var(--kc-color-neutral);
    line-height: 1.5;
}

.kc-vars-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 240px;
    overflow-y: auto;
}

.kc-vars-list li {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: 6px 8px;
    border-radius: 6px;
    transition: background 120ms ease;
}

.kc-vars-list li:hover { background: var(--kc-bg-elevated); }

.kc-vars-token {
    font-family: var(--kc-font-mono, ui-monospace, monospace);
    font-size: 12px;
    color: var(--kc-color-emerald, #10B981);
    font-weight: 600;
}

.kc-vars-desc {
    font-size: 11.5px;
    color: var(--kc-color-neutral);
    line-height: 1.4;
}

/* ─── Compact error inline (in builder) ────────────────────────── */

.kc-inline-error {
    margin-top: 12px;
    padding: 10px 12px;
    background: rgba(220, 38, 38, 0.06);
    border: 1px solid rgba(220, 38, 38, 0.25);
    border-radius: 10px;
    color: var(--kc-color-danger, #DC2626);
    font-size: 12.5px;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

/* ─── Sections — separadores visuales entre grupos de fields ───── */

.builder-section {
    padding: 24px 28px;
    border-bottom: 1px solid var(--kc-border);
}
.builder-section:last-of-type { border-bottom: 0; }
.builder-section .builder-section-title { margin-bottom: 4px; }
.builder-section .builder-section-hint { margin-bottom: 18px; max-width: 580px; }
.builder-section .builder-field:last-child { margin-bottom: 0; }

/* Cuando un .builder-section está dentro de .builder-body, anulamos el padding
   del body para que las secciones manejen su propio spacing y los separadores
   ocupen el ancho completo. */
.builder-body:has(.builder-section) { padding: 0; }

.builder-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.builder-grid-2 .builder-field { margin-bottom: 0; }
@media (max-width: 560px) {
    .builder-grid-2 { grid-template-columns: 1fr; gap: 0; }
    .builder-grid-2 .builder-field { margin-bottom: 16px; }
}

/* Label con contador a la derecha (tipo "Mensaje · 0/4096"). */
.builder-label-counter {
    float: right;
    font-family: var(--kc-font-mono);
    font-size: 10px;
    color: var(--kc-fg-subtle);
    text-transform: none;
    letter-spacing: 0;
}

/* Textarea — variant de builder-input. */
.builder-textarea {
    resize: vertical;
    min-height: 96px;
    line-height: 1.5;
}

/* DxComboBox dentro de builder-field — alinea altura/border al sistema. */
.builder-combo .dxbl-edit { border-radius: 10px; }

/* DxFormLayout dentro del drawer — quita el padding default. */
.builder-formlayout .dxbl-flo,
.builder-formlayout .dxbl-flow { padding: 0 !important; }

/* ─── Preset cards (grids y variantes) ─────────────────────────── */

.preset-grid-compact {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
}
.preset-grid-compact .preset-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 88px;
    padding: 14px 10px;
    gap: 6px;
}

.preset-grid-providers {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 10px;
}
.preset-card-provider {
    flex-direction: column;
    align-items: flex-start;
    min-height: 110px;
    gap: 10px;
}

.preset-card-icon {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: var(--kc-radius-md);
    background: var(--kc-bg-elevated);
    color: var(--kc-color-emerald);
    font-size: 15px;
}
.preset-card.is-selected .preset-card-icon {
    background: var(--kc-color-emerald);
    color: white;
}
.preset-card-icon-large {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: var(--kc-radius-md);
    font-size: 18px;
    flex-shrink: 0;
}
.preset-card-label {
    font-weight: var(--kc-weight-semibold);
    font-size: 12.5px;
    color: var(--kc-fg);
    line-height: 1.3;
}

/* ─── Upload zone — drop area para attachments (estilo dashed) ─── */

.builder-upload-zone {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    border: 1.5px dashed var(--kc-border-strong);
    border-radius: var(--kc-radius-md);
    background: var(--kc-bg-elevated);
    cursor: pointer;
    transition: all var(--kc-duration-fast) var(--kc-ease-standard);
}
.builder-upload-zone:hover {
    border-color: var(--kc-color-emerald);
    background: var(--kc-color-emerald-soft);
}
.builder-upload-zone input[type="file"] { display: none; }
.builder-upload-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--kc-radius-md);
    background: var(--kc-color-emerald-soft);
    color: var(--kc-color-emerald);
    display: grid;
    place-items: center;
    font-size: 18px;
    flex-shrink: 0;
}
.builder-upload-title {
    font-weight: var(--kc-weight-semibold);
    font-size: 13.5px;
    color: var(--kc-fg);
}
.builder-upload-hint {
    font-family: var(--kc-font-mono);
    font-size: 11px;
    color: var(--kc-fg-muted);
    margin-top: 2px;
}

.builder-upload-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--kc-bg-elevated);
    border: 1px solid var(--kc-border);
    border-radius: var(--kc-radius-md);
}
.builder-upload-preview-icon {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: var(--kc-radius-sm);
    background: var(--kc-color-emerald-soft);
    color: var(--kc-color-emerald);
    font-size: 14px;
    flex-shrink: 0;
}
.builder-upload-preview-meta { flex: 1; min-width: 0; }
.builder-upload-preview-name {
    font-weight: var(--kc-weight-semibold);
    font-size: 13px;
    color: var(--kc-fg);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.builder-upload-preview-size {
    font-family: var(--kc-font-mono);
    font-size: 11px;
    color: var(--kc-fg-muted);
    margin-top: 2px;
}

/* ─── Category list (inline en el drawer de categorías) ────────── */

.builder-cat-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.builder-cat-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--kc-bg-elevated);
    border: 1px solid var(--kc-border);
    border-radius: var(--kc-radius-md);
    transition: border-color var(--kc-duration-fast) var(--kc-ease-standard);
}
.builder-cat-row:hover { border-color: var(--kc-color-emerald); }
.builder-cat-icon {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: var(--kc-radius-sm);
    background: var(--kc-color-bone-2);
    color: var(--kc-fg-muted);
    font-size: 13px;
    flex-shrink: 0;
}
.builder-cat-meta { flex: 1; min-width: 0; }
.builder-cat-name { font-weight: var(--kc-weight-semibold); font-size: 13.5px; color: var(--kc-fg); }
.builder-cat-count { font-size: 11px; color: var(--kc-fg-muted); }
.builder-cat-delete {
    width: 32px; height: 32px;
    border: 1px solid var(--kc-border);
    background: var(--kc-bg-elevated);
    color: var(--kc-fg-muted);
    border-radius: var(--kc-radius-sm);
    cursor: pointer;
    transition: all var(--kc-duration-fast) var(--kc-ease-standard);
}
.builder-cat-delete:hover {
    border-color: var(--color-danger-border);
    background: var(--color-danger-soft);
    color: var(--color-danger-strong);
}

/* ─── Variables helper (collapsible con grid de tokens) ────────── */

.builder-collapsible {
    margin: 0 28px 24px;
    padding: 0;
    border: 1px solid var(--kc-border);
    border-radius: var(--kc-radius-md);
    background: var(--kc-bg-elevated);
    overflow: hidden;
}
.builder-collapsible-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    cursor: pointer;
    font-weight: var(--kc-weight-semibold);
    font-size: 12.5px;
    color: var(--kc-fg);
    list-style: none;
    user-select: none;
}
.builder-collapsible-head::-webkit-details-marker { display: none; }
.builder-collapsible-head > i:not(.builder-collapsible-chevron) { color: var(--kc-color-emerald); }
.builder-collapsible-chevron {
    font-size: 10px !important;
    color: var(--kc-fg-muted);
    transition: transform var(--kc-duration-fast) var(--kc-ease-standard);
}
.builder-collapsible[open] .builder-collapsible-chevron { transform: rotate(90deg); }
.builder-collapsible-body {
    padding: 0 16px 14px;
    border-top: 1px solid var(--kc-border);
    padding-top: 14px;
}

.builder-vars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}
.builder-var-group { display: flex; flex-direction: column; gap: 4px; }
.builder-var-group-label {
    font-family: var(--kc-font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--kc-fg-muted);
    margin-bottom: 4px;
}
.builder-var {
    display: inline-block;
    font-family: var(--kc-font-mono);
    font-size: 11.5px;
    padding: 3px 8px;
    background: var(--kc-color-paper);
    border: 1px solid var(--kc-border);
    border-radius: var(--kc-radius-sm);
    color: var(--kc-color-emerald);
    width: fit-content;
    cursor: pointer;
    transition: background var(--kc-duration-fast) var(--kc-ease-standard);
}
.builder-var:hover { background: var(--kc-color-emerald-soft); }

/* ─── Responsive — mobile (drawer fullscreen) ─────────────────── */

@media (max-width: 640px) {
    .builder-drawer { width: 100vw; }
    .builder-body { padding: 18px; }
    .builder-header { padding: 14px 18px 12px; }
    .builder-footer { padding: 14px 18px; }
    .builder-section { padding: 18px; }
    .builder-collapsible { margin: 0 18px 18px; }
    .kc-section { padding: 16px 14px; }
    .kc-audience-hero-num { font-size: 30px; }
}