/*
 * QMB Blended Syllables - Main CSS
 * File: /qmbportal/quizzes/assets/css/blended_syllables.css
 *
 * This file imports component styles and contains only activity-specific styles.
 */

 @import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;700;900&display=swap');
 @import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600;700&display=swap');
 
 /* Import design system and components */
 @import url('components/utilities.css');
 @import url('components/header.css');
 @import url('components/modal.css');
 
 /* Global Reset and Base Styles */
 *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
 
 body {
     font-family: var(--font-primary);
     background: #2c3e50; /* A neutral dark blue background */
     min-height: 100vh;
     padding: var(--spacing-xl);
     line-height: 1.6;
     color: var(--dark-gray);
     overflow-x: hidden;
 }
 
 /* Main Container */
 .container {
     max-width: 1200px;
     margin: 0 auto;
     background: var(--white);
     border-radius: var(--radius-xxl);
     box-shadow: var(--shadow-xl);
     overflow: hidden;
     position: relative;
 }
 
 /* Loading Spinner */
 .loading { display: none; text-align: center; padding: var(--spacing-xxl); background: var(--white); }
 .loading.show { display: block; }
 .spinner {
     border: 4px solid var(--light-gray);
     border-top: 4px solid var(--orange);
     border-radius: 50%;
     width: 60px;
     height: 60px;
     animation: spin 1s linear infinite;
     margin: 0 auto var(--spacing-lg);
 }
 @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
 
 /* Game Area */
 .game-area { padding: var(--spacing-lg); background: var(--white); min-height: 400px; }
 
 /* Syllables/Blends Container */
 .syllables-container {
     background: linear-gradient(135deg, var(--golden-light), var(--golden));
     border: 3px dashed var(--golden-dark);
     border-radius: var(--radius-lg);
     padding: var(--spacing-md);
     margin-top: var(--spacing-lg);
     text-align: center;
     transition: all var(--transition-normal);
 }
 .syllables-container:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
 .syllables-title { font-size: 1.2rem; color: var(--black); margin-bottom: var(--spacing-xl); font-family: var(--font-tertiary); font-weight: bold; }
 .syllables-grid { display: flex; flex-wrap: wrap; gap: var(--spacing-lg); justify-content: center; }
 
 /* Syllable/Blend Items */
 .syllable-item {
     background: linear-gradient(45deg, var(--white), var(--light-gray));
     color: var(--dark-gray);
     padding: var(--spacing-sm) var(--spacing-md);
     border-radius: var(--radius-xl);
     font-size: 1.3rem;
     font-weight: bold;
     cursor: grab;
     user-select: none;
     border: 3px solid var(--orange);
     transition: all var(--transition-normal);
     box-shadow: var(--shadow-md);
     min-width: 60px;
     text-align: center;
 }
 .syllable-item:hover { transform: translateY(-5px) scale(1.05); box-shadow: var(--shadow-lg); background: linear-gradient(45deg, var(--golden-light), var(--golden)); }
 .syllable-item.dragging { cursor: grabbing; transform: rotate(8deg) scale(1.1); background: linear-gradient(45deg, var(--orange-light), var(--orange)); color: var(--white); box-shadow: var(--shadow-xl); z-index: 1000; }
 
 /* Words Grid & Cards */
 .words-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--spacing-xl); }
 /* Word Cards */
 .word-card {
    background: var(--white);
    border: 3px solid var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.word-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(244, 208, 63, 0.1), transparent);
    transition: left var(--transition-slow);
}

.word-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--golden);
}

.word-card:hover::before {
    left: 100%;
}

.word-card.completed {
    border-color: var(--success);
    background: linear-gradient(135deg, var(--white), #d4edda);
    animation: completionPulse 1.5s ease-in-out;
}
@keyframes completionPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.02); } }
 
 /* Word Content */
 .word-image {
     width: 90px;
     height: 90px;
     margin: 0 auto var(--spacing-sm);
     background: var(--light-gray);
     border: 3px solid var(--golden);
     border-radius: var(--radius-lg);
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 2.5rem;
     transition: all var(--transition-normal);
 }
 .word-card:hover .word-image { border-color: var(--orange); background: var(--golden-light); }
 .word-display { display: flex; align-items: center; justify-content: center; margin-top: var(--spacing-md); font-size: 1.6rem; font-weight: bold; }
 .word-part { color: var(--dark-gray); }
 
 /* Drop Zones */
/* Inline drop zones */
.word-display .drop-zone {
    min-height: 70px;
    min-width: 70px;
    border: 3px dashed var(--orange);
    border-radius: var(--radius-lg);
    background: var(--golden-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--medium-gray);
    transition: all var(--transition-normal);
    margin: 0 2px;
}

.word-display .drop-zone.drag-over {
    background: var(--info);
    color: var(--white);
    transform: scale(1.1);
    border-color: var(--orange-dark);
    box-shadow: var(--shadow-md);
}

.word-display .drop-zone.correct {
    min-height: 70px;
    background: var(--success);
    color: var(--white);
    border-color: var(--success);
    font-weight: bold;
}

.word-display .drop-zone.incorrect {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
    animation: shake 0.6s ease-in-out;
}
 
/* Drop Zones - Fallback/Legacy styling */
.words-grid .drop-zone:not(.word-display .drop-zone) {
    min-height: 70px;
    border: 3px dashed var(--medium-gray);
    border-radius: var(--radius-lg);
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    position: relative;
    font-weight: 600;
    color: var(--medium-gray);
    font-size: 1rem;
    overflow: hidden;
}

.words-grid .drop-zone:not(.word-display .drop-zone)::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--orange-light), transparent);
    transition: all var(--transition-normal);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    opacity: 0;
}

.words-grid .drop-zone:not(.word-display .drop-zone).drag-over {
    border-color: var(--orange);
    background: var(--orange-light);
    color: var(--white);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.words-grid .drop-zone:not(.word-display .drop-zone).drag-over::before {
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.words-grid .drop-zone:not(.word-display .drop-zone).correct {
    border-color: var(--success);
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: var(--success);
    animation: successPulse 0.6s ease-in-out;
}

.words-grid .drop-zone:not(.word-display .drop-zone).incorrect {
    border-color: var(--danger);
    background: var(--danger);
    color: var(--white);
    animation: shake 0.6s ease-in-out;
}
 
 @keyframes successPulse {
     0%, 100% { transform: scale(1); }
     50% { transform: scale(1.1); }
 }
 
 @keyframes shake {
     0%, 20%, 40%, 60%, 80%, 100% { transform: translateX(0); }
     10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
 } 
 /* Dropped Syllable Item */
 .dropped-syllable {
     background: linear-gradient(45deg, var(--golden), var(--golden-dark));
     color: var(--black);
     padding: var(--spacing-sm) var(--spacing-md);
     border-radius: var(--radius-xl);
     font-size: 1.3rem;
     font-weight: bold;
     box-shadow: var(--shadow-md);
     min-width: 60px;
     text-align: center;
     animation: dropIn 0.5s ease-out;
 }
 @keyframes dropIn { from { transform: scale(0.3); opacity: 0; } to { transform: scale(1); opacity: 1; } }
 
 /* Responsive */
 @media (max-width: 768px) {
     body { padding: var(--spacing-lg); }
     .words-grid { grid-template-columns: 1fr; }
     .syllable-item, .dropped-syllable { font-size: 1.1rem; }
     .word-display { font-size: 1.4rem; }
     .drop-zone { min-width: 60px; }
 }
 @media (max-width: 480px) {
     body { padding: var(--spacing-md); }
     .game-area { padding: var(--spacing-sm); }
     .syllable-item, .dropped-syllable { font-size: 1rem; padding: var(--spacing-sm); min-width: 50px; }
     .word-display { font-size: 1.2rem; }
     .drop-zone { min-width: 50px; }
 }