/* =========================================
   FEED & POST CARD STYLES
   ========================================= */

/* 1. Post Header & Text Styles */
.post-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

/* Agar post 'Colorful' mode me hai */
.styled-text-container {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 220px;
    padding: 20px;
    border-radius: 12px;
    color: #fff;
    font-weight: 700;
    font-size: 20px;
    line-height: 1.4;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
    margin-bottom: 10px;
}

/* Post ke gradients (Background colors) */
.bg-gradient-sunset { background: linear-gradient(135deg, #FF9A8B 0%, #FF6A88 100%); }
.bg-gradient-ocean  { background: linear-gradient(135deg, #2AFADF 0%, #4C83FF 100%); }
.bg-gradient-purple { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }

/* Agar post simple text hai */
.simple-text-post {
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.5;
    margin-bottom: 10px;
    white-space: pre-wrap; /* Line breaks maintain karega */
}

/* 2. Media (Images) */
.post-media-container {
    margin-top: 5px;
    margin-bottom: 10px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.post-media-img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 500px;
    object-fit: cover;
}

/* 3. Post Actions (Like, Comment, Share) */
.post-actions {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
    margin-top: 5px;
    display: flex;
    justify-content: space-between;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--secondary-text);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.action-btn:active { transform: scale(0.95); }
.action-btn.liked { color: #e0245e; }     /* Like karne par Laal */
.action-btn.saved { color: var(--primary-color); } /* Save karne par Neela */

/* =========================================
   INTERACTIVE ELEMENTS (Quiz, Poll, Flashcard)
   ========================================= */

/* A. MCQ / QUIZ OPTIONS */
.mcq-option {
    width: 100%;
    text-align: left;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg); /* Dark mode me safe rahega */
    border-radius: 12px;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 8px;
    position: relative;
    overflow: hidden;
}

.mcq-option:hover { background-color: var(--bg-color); }

/* Sahi Jawab (Green) */
.mcq-option.correct {
    background-color: #d1e7dd !important;
    border-color: #198754 !important;
    color: #0f5132 !important;
}
/* Galat Jawab (Red) */
.mcq-option.wrong {
    background-color: #f8d7da !important;
    border-color: #dc3545 !important;
    color: #842029 !important;
}

/* B. POLL BARS */
.poll-wrapper { margin: 10px 0; }
.poll-option {
    position: relative;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 6px;
    cursor: pointer;
    overflow: hidden;
    z-index: 1;
}
.poll-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: rgba(13, 110, 253, 0.15); /* Light Blue fill */
    z-index: -1;
    width: 0%; /* JS se badhega */
    transition: width 0.5s ease;
}
.poll-percentage { float: right; font-weight: bold; }

/* C. FLASHCARDS (3D Flip Effect) */
.flashcard-wrapper {
    perspective: 1000px;
    width: 100%;
    height: 220px;
    margin-bottom: 10px;
}

.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.flashcard-inner.flipped { transform: rotateY(180deg); }

.flashcard-front, .flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden; /* Peeche ka hissa chupana */
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.flashcard-front {
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
}

.flashcard-back {
    background-color: var(--card-bg);
    color: var(--text-color);
    transform: rotateY(180deg);
    border: 2px solid #a18cd1;
}

.flashcard-hint {
    background: rgba(0,0,0,0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    margin-top: 15px;
}

/* =========================================
   SOLUTION / REASON BOX (Hidden Logic)
   ========================================= */
.solution-toggle-btn {
    font-size: 0.85rem;
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 600;
    margin-top: 5px;
    display: inline-block;
}

.solution-content {
    display: none; /* Default band rahega */
    margin-top: 10px;
    border-radius: 8px;
    overflow: hidden;
    border-left: 4px solid #198754; /* Green Indicator */
    background-color: rgba(25, 135, 84, 0.1); /* Light Green BG */
    animation: slideDown 0.3s ease-out;
}

.solution-box { padding: 12px; font-size: 0.9rem; color: var(--text-color); }

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