@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@700&family=Inter:wght@400;500;600&display=swap');

:root {
    --ds-primary: #f26b52;
    --ds-secondary: #0a4f57;
    --ds-premium-green: #25D366;
    --ds-bg: #fdfbf7;
    --ds-card-bg: #ffffff;
    --ds-border: #efece6;
    --ds-radius: 12px;
}

.ds-wrapper {
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    padding: 60px 20px 20px 20px;
    background-color: transparent;
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

/* SOUND & FULLSCREEN CONTROLS */
.ds-sound-text,
.ds-fullscreen-btn,
.ds-exit-fullscreen-btn {
    position: absolute;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    z-index: 20;
    user-select: none;
}
.ds-sound-text {
    left: 20px;
    color: #333;
}
.ds-sound-text:hover {
    color: #0a4f57;
}
.ds-fullscreen-btn {
    right: 20px;
    background: #163C1C;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.ds-fullscreen-btn:hover {
    background: #0f2b0f;
    transform: translateY(-1px);
}

/* EXIT BUTTON — always visible in fullscreen */
.ds-exit-fullscreen-btn {
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,0.7);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    display: none;
    z-index: 100;
}
.ds-exit-fullscreen-btn:hover {
    background: rgba(0,0,0,0.9);
}

/* LEVEL PICKER */
.ds-level-picker-container { position: absolute; top: 0; left: 0; z-index: 10; }
.ds-level-picker-container select {
    background: white;
    border: 1px solid #ddd;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    color: var(--ds-secondary);
    outline: none;
}

/* CARD */
.ds-card {
    background: var(--ds-card-bg); width: 100%; border-radius: var(--ds-radius);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06); padding: 40px;
    position: relative; border: 1px solid var(--ds-border);
}
.ds-card.center-content { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 20px; }

/* TYPOGRAPHY */
h2, h3, h4 { font-family: 'Merriweather', serif; color: var(--ds-secondary); margin: 0 0 10px 0; }

/* HEADER */
.ds-header { display: flex; justify-content: space-between; margin-bottom: 25px; color: #999; font-weight: 600; text-transform: uppercase; font-size: 13px; }
.ds-progress span { color: var(--ds-primary); }

/* SIGN IMAGE */
.ds-sign-image {
    width: 100%; height: 280px; background: #f8f8f8; border-radius: 8px;
    overflow: hidden; margin-bottom: 30px; display: flex; align-items: center; justify-content: center; border: 1px solid #eee;
    transition: opacity 0.2s;
}
.ds-sign-image img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* BUTTONS */
.ds-btn { border: none; padding: 16px 32px; border-radius: 100px; font-weight: 600; cursor: pointer; transition: all 0.2s ease; text-decoration: none; display: inline-block; text-align: center; }
.ds-btn-primary { background-color: #163C1C; color: white; }
.ds-btn-secondary { background-color: var(--ds-secondary); color: white; }
.ds-btn-premium { background-color: #163C1C; color: white; width: 100%; font-size: 1.1em; }
.ds-btn-premium:hover { background-color: #0f2b0f; transform: translateY(-1px); }
.ds-btn-primary:hover { background-color: #0f2b0f; transform: translateY(-1px); }

/* OPTIONS GRID */
.ds-grid-options { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.ds-option-btn {
    background: white; border: 1px solid #ddd; padding: 20px; border-radius: 12px;
    font-size: 1rem; color: var(--ds-text); cursor: pointer; transition: all 0.2s;
    text-align: center; font-weight: 500; position: relative;
    -webkit-tap-highlight-color: transparent;
}
.ds-option-btn:focus {
    outline: none;
    border-color: var(--ds-primary);
}
.ds-option-btn:hover { border-color: var(--ds-primary); transform: translateY(-2px); }
.ds-option-btn.correct { background-color: var(--ds-premium-green); border-color: var(--ds-premium-green); color: white; }
.ds-option-btn.correct::after { content: " ✔"; font-weight: bold; }
.ds-option-btn.wrong { background-color: #ffcccc; border-color: red; color: #333; opacity: 0.8; }
.ds-option-btn.wrong::after { content: " ✖"; font-weight: bold; color: red; }

/* FEEDBACK & REVEAL */
.ds-feedback, .ds-reveal-content { margin-top: 25px; padding: 20px; background: #fdfbf7; border-radius: 8px; border: 1px solid #efece6; text-align: left; }
.ds-hint-text { text-align: center; color: #999; font-size: 0.85em; margin-bottom: 15px; font-style: italic; }

/* ✅ NEW: OVERLAY CONTENT STYLE */
.ds-feedback-overlay-content {
    background: #fdfbf7;
    border: 1px solid #efece6;
    border-radius: 8px;
    padding: 20px;
    box-sizing: border-box;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.ds-feedback-overlay-content h4 {
    margin: 0 0 12px 0;
    color: var(--ds-secondary);
    font-size: 1.2em;
}
.ds-feedback-overlay-content div {
    margin: 12px 0;
    line-height: 1.5;
}
.ds-feedback-overlay-content .ds-btn {
    margin-top: 15px;
}

/* SUMMARY MESSAGE */
.ds-message {
    font-size: 1.2em;
    color: var(--ds-secondary);
    margin: 15px 0;
    font-weight: bold;
}

/* LOADING */
.ds-spinner { border: 4px solid #f3f3f3; border-top: 4px solid var(--ds-primary); border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 50px auto; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* SUMMARY STYLES */
.ds-summary-screen.high-score { background-color: #e6ffe6; border-color: #28a745; }
.ds-summary-screen.low-score { background-color: #fff3e6; border-color: #fd7e14; }
.ds-sm-text { margin-top: 15px; font-size: 0.85rem; }
.ds-sm-text a { color: #666; text-decoration: underline; }

/* RESPONSIVE */
@media (max-width: 480px) {
    .ds-grid-options { grid-template-columns: 1fr; }
    .ds-wrapper { padding-top: 60px; }
    .ds-sound-text { left: 10px; font-size: 13px; }
    .ds-fullscreen-btn { right: 10px; padding: 6px 12px; font-size: 13px; }
    .ds-exit-fullscreen-btn { right: 10px; padding: 6px 12px; font-size: 13px; }
}