/* ========================================
   CREATION.CSS - Post Creation Modal Styles
   ======================================== */

/* Create Post Modal */
#createPostModal .modal-dialog {
    max-width: 650px;
}

#createPostModal .modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

#createPostModal .modal-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    border-radius: 20px 20px 0 0;
}

#createPostModal .modal-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

#createPostModal .btn-close {
    opacity: 0.6;
    transition: var(--transition);
}

#createPostModal .btn-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

#createPostModal .modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

#createPostModal .modal-footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: 0 0 20px 20px;
}

/* Post Type Selection */
.post-type-selection {
    margin-bottom: 1.5rem;
}

.post-type-selection h6 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.post-types {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.post-type-btn {
    flex: 1;
    min-width: 90px;
    padding: 1rem 0.75rem;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.post-type-btn i {
    font-size: 1.5rem;
}

.post-type-btn span {
    font-size: 0.85rem;
    font-weight: 600;
}

.post-type-btn:hover {
    background: rgba(33, 150, 243, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.post-type-btn:active {
    transform: translateY(0);
}

.post-type-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #FFFFFF;
    box-shadow: var(--shadow-md);
}

/* Post Forms */
.post-form {
    display: none;
    animation: fadeIn 0.3s ease;
}

.post-form.active {
    display: block;
}

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

/* Text Post Form */
#textPostForm textarea {
    min-height: 150px;
    resize: vertical;
    font-size: 1rem;
    line-height: 1.6;
}

/* Background Color Selector */
.bg-color-selector {
    margin-top: 1rem;
}

.bg-color-selector .form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.color-options {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.color-option {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border: 3px solid transparent;
}

.color-option:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.color-option.active {
    border-color: var(--text-primary);
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.color-option.active::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: bold;
}

/* Quiz Post Form */
#quizPostForm .quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

#quizPostForm .input-group {
    background: var(--background-color);
    border-radius: 10px;
    overflow: hidden;
}

#quizPostForm .input-group-text {
    background: transparent;
    border: none;
    padding: 0.75rem;
}

#quizPostForm .form-check-input {
    cursor: pointer;
    width: 20px;
    height: 20px;
}

#quizPostForm .form-check-input:checked {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

#quizPostForm .form-control {
    border: none;
    background: transparent;
    padding: 0.75rem;
}

/* Poll Post Form */
#pollPostForm .poll-options {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

#pollPostForm .form-check {
    flex: 1;
    padding: 1rem;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

#pollPostForm .form-check:hover {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.05);
}

#pollPostForm .form-check-input {
    cursor: pointer;
    width: 20px;
    height: 20px;
    margin-top: 0;
}

#pollPostForm .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

#pollPostForm .form-check-label {
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    margin-left: 0.5rem;
    color: var(--text-primary);
}

#pollPostForm .form-check-input:checked ~ .form-check-label {
    color: var(--primary-color);
}

/* Flashcard Form */
#cardPostForm .form-control {
    font-size: 1rem;
}

#cardPostForm input {
    font-weight: 600;
}

#cardPostForm textarea {
    min-height: 120px;
    resize: vertical;
}

/* Media Post Form */
#mediaPostForm textarea {
    min-height: 100px;
    resize: vertical;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    background: var(--background-color);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.05);
}

.upload-area i {
    color: var(--text-secondary);
    transition: var(--transition);
}

.upload-area:hover i {
    color: var(--primary-color);
    transform: translateY(-5px);
}

.upload-area p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.upload-area.active {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.1);
}

/* Image Preview */
.image-preview {
    position: relative;
    margin-top: 1rem;
    border-radius: 12px;
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 400px;
    object-fit: cover;
}

.remove-image-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.6);
    color: #FFFFFF;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.remove-image-btn:hover {
    background: var(--error-color);
    transform: scale(1.1);
}

/* Publish Button */
#publishPostBtn {
    padding: 0.75rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 10px;
    transition: var(--transition);
}

#publishPostBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(33, 150, 243, 0.3);
}

#publishPostBtn:active {
    transform: translateY(0);
}

#publishPostBtn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

#publishPostBtn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Form Validation */
.form-control.invalid {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.1);
}

.form-control.invalid:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.2);
}

.validation-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.validation-message i {
    font-size: 0.9rem;
}

/* Character Counter */
.char-counter {
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.char-counter.warning {
    color: var(--warning-color);
}

.char-counter.error {
    color: var(--error-color);
}

/* Option Remove Button */
.remove-option-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--error-color);
    color: #FFFFFF;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
}

.remove-option-btn:hover {
    background: #D32F2F;
    transform: scale(1.1);
}

/* Add Option Button */
.add-option-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--background-color);
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.add-option-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(33, 150, 243, 0.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    #createPostModal .modal-dialog {
        max-width: 100%;
        margin: 0.5rem;
    }
    
    #createPostModal .modal-body {
        max-height: 60vh;
        padding: 1rem;
    }
    
    .post-types {
        gap: 0.5rem;
    }
    
    .post-type-btn {
        min-width: 80px;
        padding: 0.85rem 0.5rem;
    }
    
    .post-type-btn i {
        font-size: 1.3rem;
    }
    
    .post-type-btn span {
        font-size: 0.75rem;
    }
    
    .color-options {
        gap: 0.5rem;
    }
    
    .color-option {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 576px) {
    #createPostModal .modal-content {
        border-radius: 16px;
    }
    
    #createPostModal .modal-header {
        padding: 1rem;
    }
    
    #createPostModal .modal-title {
        font-size: 1.1rem;
    }
    
    #createPostModal .modal-body {
        padding: 0.75rem;
    }
    
    #createPostModal .modal-footer {
        padding: 0.75rem 1rem;
    }
    
    .post-type-btn {
        min-width: 70px;
        padding: 0.75rem 0.4rem;
    }
    
    .post-type-btn i {
        font-size: 1.2rem;
    }
    
    #pollPostForm .poll-options {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    #publishPostBtn {
        padding: 0.65rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* Dark Mode Adjustments */
body.dark-mode .upload-area {
    background: rgba(255, 255, 255, 0.02);
}

body.dark-mode .upload-area:hover {
    background: rgba(33, 150, 243, 0.1);
}

body.dark-mode .color-option.active::after {
    color: #FFFFFF;
}

body.dark-mode #quizPostForm .input-group {
    background: rgba(255, 255, 255, 0.05);
}

body.dark-mode #pollPostForm .form-check {
    background: rgba(255, 255, 255, 0.05);
}

body.dark-mode .add-option-btn {
    background: rgba(255, 255, 255, 0.05);
}

body.dark-mode .add-option-btn:hover {
    background: rgba(33, 150, 243, 0.1);
}