:root {
    --sp-bg: #08121f;
    --sp-panel: rgba(13, 23, 38, 0.84);
    --sp-panel-strong: rgba(8, 15, 28, 0.96);
    --sp-border: rgba(162, 187, 224, 0.18);
    --sp-border-strong: rgba(190, 214, 255, 0.34);
    --sp-text: #eef4ff;
    --sp-muted: #9db0cb;
    --sp-accent: #f2c56e;
    --sp-accent-2: #6fe7d8;
    --sp-danger: #ff8b8b;
    --sp-radius: 24px;
    --sp-shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}

.sp-prompter {
    position: relative;
    overflow: hidden;
    padding: 24px;
    border-radius: 32px;
    color: var(--sp-text);
    background:
        radial-gradient(circle at top left, rgba(242, 197, 110, 0.2), transparent 32%),
        radial-gradient(circle at 80% 15%, rgba(111, 231, 216, 0.16), transparent 28%),
        linear-gradient(180deg, #0f1b2d 0%, #08111d 100%);
    box-shadow: var(--sp-shadow);
}

.sp-prompter__backdrop {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 92%);
    pointer-events: none;
    opacity: 0.35;
}

.sp-prompter__shell {
    position: relative;
    z-index: 1;
}

.sp-prompter__header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.sp-prompter__eyebrow {
    margin: 0 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    font-size: 11px;
    color: var(--sp-accent);
}

.sp-prompter__title {
    margin: 0;
    font-size: clamp(28px, 4vw, 46px);
    line-height: 1;
}

.sp-prompter__subtitle {
    margin: 8px 0 0;
    color: var(--sp-muted);
    max-width: 48rem;
}

.sp-prompter__status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--sp-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--sp-muted);
    backdrop-filter: blur(12px);
}

.sp-prompter__status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--sp-accent-2), #0aa);
    box-shadow: 0 0 0 6px rgba(111, 231, 216, 0.12);
}

.sp-prompter__toolbar,
.sp-prompter__actions,
.sp-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.sp-prompter__toolbar {
    align-items: end;
    padding: 14px;
    margin-bottom: 18px;
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius);
    background: var(--sp-panel);
    backdrop-filter: blur(18px);
}

.sp-range,
.sp-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 160px;
    color: var(--sp-muted);
}

.sp-range input,
.sp-field input,
.sp-field select,
.sp-field textarea {
    width: 100%;
    border: 1px solid var(--sp-border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--sp-text);
    padding: 12px 14px;
    outline: none;
    transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.sp-range input:focus,
.sp-field input:focus,
.sp-field select:focus,
.sp-field textarea:focus {
    border-color: var(--sp-border-strong);
    background: rgba(255, 255, 255, 0.09);
}

.sp-prompter__content {
    display: grid;
    grid-template-columns: minmax(240px, 280px) minmax(0, 1fr) minmax(260px, 320px);
    gap: 16px;
}

.sp-prompter__panel {
    min-width: 0;
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius);
    background: var(--sp-panel);
    backdrop-filter: blur(18px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.sp-prompter__panel--library,
.sp-prompter__panel--editor {
    padding: 18px;
}

.sp-prompter__panel--viewer {
    padding: 10px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.05));
}

.sp-panel__header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.sp-panel__header h3 {
    margin: 0;
    font-size: 15px;
}

.sp-panel__header span {
    color: var(--sp-muted);
    font-size: 13px;
}

.sp-library {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.sp-library__item {
    display: block;
    width: 100%;
    text-align: left;
    font: inherit;
    padding: 14px;
    border-radius: 18px;
    border: 1px solid var(--sp-border);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.sp-library__item:hover,
.sp-library__item:focus {
    transform: translateY(-1px);
    border-color: var(--sp-border-strong);
    background: rgba(255, 255, 255, 0.06);
}

.sp-library__item.is-active {
    border-color: rgba(242, 197, 110, 0.65);
    background: rgba(242, 197, 110, 0.12);
}

.sp-library__item-title {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
}

.sp-library__item-meta {
    color: var(--sp-muted);
    font-size: 12px;
}

.sp-stage {
    position: relative;
    min-height: 620px;
    height: 100%;
    overflow: hidden;
    border-radius: calc(var(--sp-radius) - 6px);
    background: #050b15;
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: crosshair;
}

.sp-stage:focus {
    outline: 2px solid rgba(111, 231, 216, 0.45);
    outline-offset: 2px;
}

.sp-stage__guide {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 3;
    background: linear-gradient(90deg, transparent, rgba(111, 231, 216, 0.78), transparent);
    box-shadow: 0 0 18px rgba(111, 231, 216, 0.42);
}

.sp-stage__guide--top {
    top: 33%;
}

.sp-stage__guide--bottom {
    top: 67%;
}

.sp-stage__inner {
    position: absolute;
    inset: 0;
    overflow: hidden;
    perspective: 1000px;
}

.sp-stage__content {
    position: absolute;
    left: 50%;
    top: 100%;
    width: min(90%, 800px);
    transform: translate3d(-50%, 0, 0);
    transform-origin: center top;
    color: #f5f8ff;
    font-size: 46px;
    line-height: 1.6;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-align: center;
    white-space: pre-wrap;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.55);
    padding: 40px 0;
    user-select: none;
}

.sp-stage--mirror .sp-stage__content {
    transform: translate3d(-50%, 0, 0) scaleX(-1);
}

.sp-prompter[data-theme='light'] {
    --sp-bg: #f4f7fb;
    --sp-panel: rgba(255, 255, 255, 0.84);
    --sp-panel-strong: rgba(255, 255, 255, 0.96);
    --sp-border: rgba(14, 23, 38, 0.12);
    --sp-border-strong: rgba(14, 23, 38, 0.24);
    --sp-text: #0e1726;
    --sp-muted: #53657d;
    background: linear-gradient(180deg, #f7f9fc 0%, #e9eef6 100%);
}

.sp-prompter[data-theme='light'] .sp-stage {
    background: #0f1b2d;
}

.sp-prompter--locked {
    padding: 24px;
    border: 1px solid var(--sp-border);
    border-radius: 24px;
    background: var(--sp-panel);
    color: var(--sp-text);
}

.sp-btn {
    border: 1px solid var(--sp-border);
    border-radius: 999px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--sp-text);
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.sp-btn:hover {
    transform: translateY(-1px);
    border-color: var(--sp-border-strong);
    background: rgba(255, 255, 255, 0.09);
}

.sp-btn--primary {
    border-color: rgba(242, 197, 110, 0.42);
    background: linear-gradient(135deg, rgba(242, 197, 110, 0.96), rgba(255, 225, 153, 0.72));
    color: #101010;
}

.sp-btn--primary:hover {
    background: linear-gradient(135deg, rgba(255, 225, 153, 0.98), rgba(242, 197, 110, 0.86));
}

.sp-feedback {
    margin: 14px 0 0;
    min-height: 1.4em;
    color: var(--sp-muted);
}

.sp-feedback.is-success {
    color: #91ffcb;
}

.sp-feedback.is-error {
    color: var(--sp-danger);
}

@media (max-width: 1100px) {
    .sp-prompter__content {
        grid-template-columns: 1fr;
    }

    .sp-stage {
        min-height: 520px;
    }
}

@media (max-width: 720px) {
    .sp-prompter {
        padding: 16px;
        border-radius: 24px;
    }

    .sp-prompter__header,
    .sp-prompter__toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .sp-stage__content {
        font-size: 32px;
        width: 92%;
    }

    .sp-range,
    .sp-field {
        min-width: 0;
        width: 100%;
    }
}

/* ─── Visitor mode (no library column) ─────────────────────────────────── */

.sp-prompter__content--visitor {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
}

@media (max-width: 1100px) {
    .sp-prompter__content--visitor {
        grid-template-columns: 1fr;
    }
}

/* ─── Access Gate ───────────────────────────────────────────────────────── */

.sp-prompter--gate {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 520px;
}

.sp-gate {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    padding: 40px 36px 36px;
    background: var(--sp-panel-strong);
    border: 1px solid var(--sp-border-strong);
    border-radius: var(--sp-radius);
    backdrop-filter: blur(20px);
    box-shadow: 0 12px 60px rgba(0, 0, 0, 0.48);
}

.sp-gate__eyebrow {
    margin: 0 0 10px;
    font-size: 11px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--sp-accent);
}

.sp-gate__title {
    margin: 0 0 28px;
    font-size: clamp(22px, 3vw, 30px);
    line-height: 1.1;
}

.sp-gate__desc {
    margin: 0 0 20px;
    color: var(--sp-muted);
    font-size: 0.9rem;
    line-height: 1.65;
}

.sp-gate__email-label {
    color: var(--sp-text);
}

.sp-gate__step--hidden {
    display: none;
}

.sp-gate__otp {
    letter-spacing: 0.3em;
    font-size: 1.5rem !important;
    text-align: center;
}

.sp-gate__msg {
    min-height: 1.4em;
    margin: 12px 0 0;
    font-size: 0.85rem;
    text-align: center;
    color: var(--sp-muted);
    transition: color 0.18s;
}

.sp-gate__msg--error {
    color: var(--sp-danger);
}

.sp-gate__msg--success {
    color: #91ffcb;
}

.sp-btn--block {
    display: flex;
    width: 100%;
    justify-content: center;
    margin-top: 12px;
}

.sp-btn--ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--sp-muted);
    font-weight: 400;
}

.sp-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--sp-border);
    color: var(--sp-text);
}

.sp-check {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    cursor: pointer;
    color: var(--sp-muted);
    font-size: 0.9rem;
    user-select: none;
    transition: color 0.18s;
}

.sp-check:hover {
    color: var(--sp-text);
}

.sp-check input[type="checkbox"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    accent-color: var(--sp-accent);
    cursor: pointer;
}

@media (max-width: 720px) {
    .sp-gate {
        padding: 28px 20px 24px;
    }
}