/* KM Rearrange the Verse - Styles */

.km-rearrange-container {
    max-width: 100%;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.km-verse-paragraph {
    font-size: 18px;
    margin-bottom: 30px;
    text-align: left;
}

.km-drop-zone {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 4px 12px;
    margin: 0 4px;
    border: 2px dashed #4a90e2;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
    vertical-align: middle;
}

.km-drop-zone,
.km-phrase,
.km-phrase-bank,
.km-verse-paragraph {
    transition: all 0.4s ease;
}

.km-drop-zone:empty::before {
    content: '___';
    color: #999;
    font-style: italic;
    opacity: 0.5;
}

.km-drop-zone.km-drag-over {
    border-style: solid;
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(74, 144, 226, 0.3);
}

.km-drop-zone.km-filled {
    background-color: rgba(74, 144, 226, 0.1);
    border-style: solid;
}

.km-drop-zone.km-correct {
    background-color: rgba(76, 175, 80, 0.15);
    border-color: #4caf50;
    animation: correctPulse 0.5s ease;
}

.km-drop-zone.km-incorrect {
    background-color: rgba(244, 67, 54, 0.15);
    border-color: #f44336;
    animation: shake 0.5s ease;
}

@keyframes correctPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.km-phrase-bank {
    background-color: #f1f5f9;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    margin-bottom: 25px;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.km-phrase-bank-title {
    color: #1f2937;
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 15px 0;
    text-shadow: none;
}

.km-phrase-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    min-height: 50px;
    padding: 15px;
    background: #ffffff;
    border-radius: 8px;
    border: 1px dashed #e2e8f0;
}

.km-phrase {
    padding: 10px 20px;
    border-radius: 25px;
    cursor: grab;
    user-select: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.km-phrase:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.km-phrase:active {
    cursor: grabbing;
    transform: scale(0.95);
}

.km-phrase.km-dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.km-phrase.km-used {
    opacity: 0.3;
    pointer-events: none;
    filter: grayscale(100%);
}

.km-rearrange-container.km-merged .km-phrase-bank {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}

.km-rearrange-container.km-merged .km-drop-zone {
    border-color: transparent;
    background-color: transparent;
    padding: 0;
    margin: 0 2px;
}

.km-rearrange-container.km-merged .km-drop-zone::before {
    content: '';
}

.km-rearrange-container.km-merged .km-drop-zone .km-phrase {
    background: none;
    color: inherit;
    border: none;
    box-shadow: none;
    padding: 0;
    transform: none;
}

.km-rearrange-container.km-merged .km-verse-paragraph {
    animation: mergeGlow 0.8s ease;
    text-align: center;
    font-size: 28px;
    line-height: 1.7;
    letter-spacing: 0.5px;
    margin: 20px auto 0;
    max-width: 720px;
}

@keyframes mergeGlow {
    0% {
        background: rgba(255, 248, 220, 0);
        box-shadow: 0 0 0 rgba(255, 200, 120, 0);
    }
    60% {
        background: rgba(255, 248, 220, 0.35);
        box-shadow: 0 0 16px rgba(255, 200, 120, 0.35);
    }
    100% {
        background: rgba(255, 248, 220, 0);
        box-shadow: 0 0 0 rgba(255, 200, 120, 0);
    }
}

.km-verse-paragraph.km-scripture .km-scripture-word {
    opacity: 0;
    display: inline-block;
    transform: translateY(10px);
    animation: scriptureReveal 0.45s ease forwards;
}

@keyframes scriptureReveal {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.km-check-button {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    padding: 14px 32px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.km-check-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

.km-check-button:active {
    transform: translateY(0);
}

.km-check-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.km-feedback {
    margin-top: 20px;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    animation: slideDown 0.4s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.km-feedback.success {
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
}

.km-feedback.error {
    background: linear-gradient(135deg, #f44336 0%, #e53935 100%);
}

/* Filled drop zone styling */
.km-drop-zone .km-phrase {
    margin: 0;
    padding: 6px 16px;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .km-rearrange-container {
        padding: 20px;
    }
    
    .km-verse-paragraph {
        font-size: 16px;
    }
    
    .km-phrase-bank {
        padding: 20px;
    }
    
    .km-phrase {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .km-check-button {
        font-size: 16px;
        padding: 12px 28px;
    }
}

/* Animation for initial load */
.km-rearrange-container {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Accessibility */
.km-phrase:focus,
.km-check-button:focus {
    outline: 3px solid rgba(108, 92, 231, 0.5);
    outline-offset: 2px;
}

.km-drop-zone:focus {
    outline: 2px solid rgba(74, 144, 226, 0.5);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .km-phrase-bank,
    .km-check-button,
    .km-feedback {
        display: none;
    }
    
    .km-drop-zone {
        border-bottom: 2px solid #000;
        border-style: solid;
    }
}