.wpabd-app {
    --wpabd-bg: #f0f7ff;
    --wpabd-panel: rgba(255, 255, 255, 0.9);
    --wpabd-panel-strong: #ffffff;
    --wpabd-border: rgba(69, 120, 188, 0.14);
    --wpabd-shadow: 0 22px 60px rgba(66, 112, 168, 0.12);
    --wpabd-text: #2d2218;
    --wpabd-muted: #6e6256;
    --wpabd-primary: #0f766e;
    --wpabd-primary-strong: #0b5d57;
    --wpabd-accent: #d97706;
    --wpabd-high: #2f855a;
    --wpabd-mid: #c17b00;
    --wpabd-low: #c2410c;
    color: var(--wpabd-text);
    font-family: "Segoe UI", Tahoma, sans-serif;
}

.wpabd-shell {
    max-width: 980px;
    margin: 24px auto;
    padding: 24px;
    border: 1px solid var(--wpabd-border);
    border-radius: 28px;
    background: var(--wpabd-bg);
    box-shadow: var(--wpabd-shadow);
    overflow: hidden;
}

.wpabd-hero {
    display: block;
    margin-bottom: 22px;
}

.wpabd-hero__copy,
.wpabd-summary-card,
.wpabd-sentence-card {
    background: var(--wpabd-panel);
    backdrop-filter: blur(14px);
}

.wpabd-hero__copy {
    padding: 28px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 240px;
    max-width: 100%;
}

.wpabd-hero__copy::after {
    display: none;
}

.wpabd-eyebrow {
    display: inline-flex;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.08);
    color: var(--wpabd-primary-strong);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 18px;
}

.wpabd-title {
    margin: 16px 0 10px;
    font-size: clamp(1.8rem, 4vw, 2.7rem);
    line-height: 1.1;
}

.wpabd-subtitle {
    margin: 0;
    max-width: 540px;
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--wpabd-text);
    text-align: center;
}

.wpabd-note {
    margin: 10px 0 0;
    font-size: 0.98rem;
    line-height: 1.7;
    color: var(--wpabd-muted);
}

.wpabd-summary-card {
    padding: 28px;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.wpabd-overall-section {
    margin-bottom: 22px;
}

.wpabd-summary-card--overall {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}

.wpabd-summary-card__label {
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
    color: var(--wpabd-muted);
}

.wpabd-summary-card__score {
    display: block;
    font-size: 3rem;
    line-height: 1;
}

.wpabd-summary-card__text {
    margin: 18px 0 0;
    color: var(--wpabd-muted);
    line-height: 1.6;
    font-size: 1.05rem;
}

.wpabd-summary-card__progress-label {
    display: block;
    margin-top: 18px;
    margin-bottom: 8px;
    color: var(--wpabd-muted);
    font-size: 0.95rem;
}

.wpabd-progress,
.wpabd-score-bar {
    width: 100%;
    overflow: hidden;
    border-radius: 999px;
    background: #dbe8f7;
}

.wpabd-progress {
    height: 12px;
    margin-top: 10px;
}

.wpabd-progress__fill,
.wpabd-score-bar__fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #2b6ee7 0%, #48b4ff 45%, #7be0b8 100%);
    background-size: 200% 100%;
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1), background-position 0.6s ease;
}

.wpabd-lesson-list {
    display: grid;
    gap: 16px;
}

.wpabd-sentence-card {
    padding: 20px;
    border: 1px solid rgba(146, 103, 44, 0.14);
    border-radius: 24px;
    box-shadow: 0 12px 28px rgba(84, 54, 17, 0.06);
}

.wpabd-sentence-card__top {
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    margin-bottom: 16px;
}

.wpabd-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.wpabd-btn {
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.wpabd-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.wpabd-btn:disabled {
    opacity: 0.65;
    cursor: default;
}

.wpabd-btn--listen {
    background: #fff;
    color: var(--wpabd-primary-strong);
    border: 1px solid rgba(15, 118, 110, 0.18);
}

.wpabd-btn--speak {
    background: linear-gradient(135deg, #0f766e 0%, #13948a 100%);
    color: #fff;
}

.wpabd-sentence-text {
    margin-bottom: 18px;
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    line-height: 1.9;
    text-align: right;
    font-weight: 700;
    color: #1f1a14;
}

.wpabd-recognition-card,
.wpabd-score-card {
    padding: 16px;
    border-radius: 18px;
    background: var(--wpabd-panel-strong);
    border: 1px solid rgba(146, 103, 44, 0.1);
}

.wpabd-score-card {
    margin-bottom: 12px;
}

.wpabd-score-bar {
    height: 14px;
    margin-top: 4px;
    box-shadow: inset 0 1px 2px rgba(51, 88, 140, 0.12);
}

.wpabd-score-bar.has-score .wpabd-score-bar__fill {
    animation: wpabd-bar-settle 0.9s ease;
}

.wpabd-score-bar.is-recording .wpabd-score-bar__fill {
    animation: wpabd-bar-recording 1.2s linear infinite;
    opacity: 0.9;
}

.wpabd-recognition-card__label,
.wpabd-score-card__header span {
    font-size: 0.82rem;
    color: var(--wpabd-muted);
}

.wpabd-recognition-card__value {
    margin-top: 8px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--wpabd-text);
}

.wpabd-recognition-card__placeholder,
.wpabd-score-card__hint {
    margin-top: 8px;
    font-size: 0.92rem;
    color: var(--wpabd-muted);
}

.wpabd-score-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.wpabd-score-card__status {
    margin-top: 10px;
    font-weight: 700;
}

.wpabd-recognition-card--under {
    padding-top: 8px;
    background: transparent;
    border: 0;
}

.wpabd-score-high .wpabd-score-card__status {
    color: var(--wpabd-high);
}

.wpabd-score-mid .wpabd-score-card__status {
    color: var(--wpabd-mid);
}

.wpabd-score-low .wpabd-score-card__status {
    color: var(--wpabd-low);
}

.wpabd-state {
    max-width: 780px;
    margin: 20px auto;
    padding: 18px 20px;
    border-radius: 18px;
    font-size: 1rem;
}

.wpabd-state--loading,
.wpabd-state--empty {
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
}

.wpabd-state--error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
}

@keyframes wpabd-bar-recording {
    0% {
        background-position: 0% 50%;
        transform: scaleX(0.35);
        transform-origin: left center;
    }
    50% {
        background-position: 100% 50%;
        transform: scaleX(1);
        transform-origin: left center;
    }
    100% {
        background-position: 200% 50%;
        transform: scaleX(0.35);
        transform-origin: left center;
    }
}

@keyframes wpabd-bar-settle {
    0% {
        filter: brightness(1.15);
    }
    100% {
        filter: brightness(1);
    }
}

@media (max-width: 860px) {
    .wpabd-shell {
        padding: 18px;
        border-radius: 22px;
    }
}

@media (max-width: 640px) {
    .wpabd-sentence-card__top {
        flex-direction: column;
    }

    .wpabd-actions {
        width: 100%;
    }

    .wpabd-btn {
        width: 100%;
        justify-content: center;
    }
}