/**
 * Frontend Post Submission Styles
 * Clean, modern, responsive design for the guided posting interface
 */

/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */

:root {
    --fps-primary-color: #2563eb;
    --fps-primary-hover: #1d4ed8;
    --fps-secondary-color: #64748b;
    --fps-success-color: #16a34a;
    --fps-error-color: #dc2626;
    --fps-warning-color: #f59e0b;
    --fps-background: #ffffff;
    --fps-surface: #f8fafc;
    --fps-border: #e2e8f0;
    --fps-text-primary: #1e293b;
    --fps-text-secondary: #64748b;
    --fps-text-muted: #94a3b8;
    --fps-radius: 8px;
    --fps-radius-lg: 12px;
    --fps-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --fps-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --fps-transition: all 0.2s ease;
}

/* ==========================================================================
   Container & Layout
   ========================================================================== */

.fps-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--fps-background);
    border-radius: var(--fps-radius-lg);
    box-shadow: var(--fps-shadow-lg);
}

.fps-header {
    text-align: center;
    margin-bottom: 3rem;
}

.fps-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--fps-text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.fps-subtitle {
    font-size: 1.125rem;
    color: var(--fps-text-secondary);
    margin: 0;
}

/* ==========================================================================
   Intent Selection
   ========================================================================== */

.fps-intent-selection {
    margin-bottom: 2rem;
}

.fps-intent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.fps-intent-card {
    padding: 2rem 1rem;
    background: var(--fps-surface);
    border: 2px solid var(--fps-border);
    border-radius: var(--fps-radius);
    text-align: center;
    cursor: pointer;
    transition: var(--fps-transition);
    user-select: none;
}

.fps-intent-card:hover {
    border-color: var(--fps-primary-color);
    transform: translateY(-2px);
    box-shadow: var(--fps-shadow-lg);
}

.fps-intent-card.selected {
    border-color: var(--fps-primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.fps-intent-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.fps-intent-label {
    font-weight: 600;
    color: var(--fps-text-primary);
    font-size: 1rem;
}

/* ==========================================================================
   Progress Indicator
   ========================================================================== */

.fps-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    position: relative;
}

.fps-progress::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--fps-border);
    z-index: 1;
}

.fps-progress-step {
    position: relative;
    z-index: 2;
    text-align: center;
    flex: 1;
}

.fps-step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--fps-surface);
    border: 2px solid var(--fps-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    font-weight: 600;
    color: var(--fps-text-muted);
    transition: var(--fps-transition);
}

.fps-progress-step.active .fps-step-number {
    background: var(--fps-primary-color);
    border-color: var(--fps-primary-color);
    color: white;
}

.fps-progress-step.completed .fps-step-number {
    background: var(--fps-success-color);
    border-color: var(--fps-success-color);
    color: white;
}

.fps-step-label {
    font-size: 0.875rem;
    color: var(--fps-text-secondary);
    font-weight: 500;
}

.fps-progress-step.active .fps-step-label {
    color: var(--fps-primary-color);
}

.fps-progress-step.completed .fps-step-label {
    color: var(--fps-success-color);
}

/* ==========================================================================
   Form Styles
   ========================================================================== */

.fps-form {
    margin-bottom: 2rem;
}

.fps-field-group {
    margin-bottom: 1.5rem;
}

.fps-field-label {
    display: block;
    font-weight: 600;
    color: var(--fps-text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.fps-input,
.fps-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--fps-border);
    border-radius: var(--fps-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--fps-transition);
    background: var(--fps-background);
}

.fps-input:focus,
.fps-textarea:focus {
    outline: none;
    border-color: var(--fps-primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.fps-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

.fps-main-content {
    min-height: 200px;
    font-size: 1.125rem;
}

/* ==========================================================================
   Formatting Toolbar
   ========================================================================== */

.fps-formatting-toolbar {
    position: absolute;
    background: var(--fps-background);
    border: 1px solid var(--fps-border);
    border-radius: var(--fps-radius);
    padding: 0.25rem;
    box-shadow: var(--fps-shadow-lg);
    z-index: 1000;
    display: flex;
    gap: 0.25rem;
}

.fps-format-btn {
    padding: 0.5rem;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--fps-transition);
    font-size: 0.875rem;
    min-width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fps-format-btn:hover {
    background: var(--fps-surface);
}

/* ==========================================================================
   Save Status
   ========================================================================== */

.fps-save-status {
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: 0.5rem;
}

.fps-saving {
    color: var(--fps-warning-color);
}

.fps-saved {
    color: var(--fps-success-color);
}

.fps-error {
    color: var(--fps-error-color);
}

/* ==========================================================================
   Enhancements Section
   ========================================================================== */

.fps-enhancements {
    background: var(--fps-surface);
    padding: 2rem;
    border-radius: var(--fps-radius);
    margin-top: 2rem;
}

.fps-enhancements h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--fps-text-primary);
    font-size: 1.25rem;
}

/* ==========================================================================
   Image Upload
   ========================================================================== */

.fps-image-upload {
    margin-top: 0.5rem;
}

.fps-upload-area {
    border: 2px dashed var(--fps-border);
    border-radius: var(--fps-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--fps-transition);
    background: var(--fps-surface);
}

.fps-upload-area:hover,
.fps-upload-area.fps-dragover {
    border-color: var(--fps-primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.fps-upload-placeholder {
    color: var(--fps-text-secondary);
}

.fps-upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.fps-upload-placeholder p {
    margin: 0.5rem 0;
    font-weight: 500;
}

.fps-upload-placeholder small {
    color: var(--fps-text-muted);
}

.fps-image-preview {
    position: relative;
    margin-top: 1rem;
}

.fps-image-preview img {
    max-width: 100%;
    height: auto;
    border-radius: var(--fps-radius);
    box-shadow: var(--fps-shadow);
}

.fps-remove-image {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--fps-error-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: var(--fps-transition);
}

.fps-remove-image:hover {
    background: #b91c1c;
    transform: scale(1.1);
}

/* ==========================================================================
   Step Actions
   ========================================================================== */

.fps-step-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--fps-border);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.fps-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--fps-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--fps-transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
}

.fps-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fps-btn-primary {
    background: var(--fps-primary-color);
    color: white;
}

.fps-btn-primary:hover:not(:disabled) {
    background: var(--fps-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--fps-shadow-lg);
}

.fps-btn-secondary {
    background: var(--fps-secondary-color);
    color: white;
}

.fps-btn-secondary:hover:not(:disabled) {
    background: #475569;
    transform: translateY(-1px);
}

.fps-btn-outline {
    background: transparent;
    color: var(--fps-primary-color);
    border: 2px solid var(--fps-primary-color);
}

.fps-btn-outline:hover:not(:disabled) {
    background: var(--fps-primary-color);
    color: white;
    transform: translateY(-1px);
}

/* ==========================================================================
   Preview Section
   ========================================================================== */

.fps-preview {
    background: var(--fps-surface);
    padding: 2rem;
    border-radius: var(--fps-radius);
    margin-bottom: 2rem;
}

.fps-preview-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--fps-text-primary);
    margin-bottom: 1rem;
}

.fps-preview-content {
    color: var(--fps-text-primary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.fps-preview-image {
    margin-bottom: 1rem;
}

.fps-preview-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--fps-radius);
}

.fps-preview-meta {
    font-size: 0.875rem;
    color: var(--fps-text-secondary);
}

.fps-preview-meta a {
    color: var(--fps-primary-color);
    text-decoration: none;
}

.fps-preview-meta a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Validation
   ========================================================================== */

.fps-validation {
    margin-bottom: 2rem;
}

.fps-validation-warnings {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--fps-radius);
    padding: 1rem;
}

.fps-validation-warnings h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--fps-warning-color);
    font-size: 0.875rem;
    font-weight: 600;
}

.fps-validation-warnings ul {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--fps-text-secondary);
}

.fps-validation-warnings li {
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
}

/* ==========================================================================
   Final Review
   ========================================================================== */

.fps-final-preview {
    text-align: center;
    margin-bottom: 2rem;
}

.fps-publish-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.fps-option {
    background: var(--fps-surface);
    padding: 1.5rem;
    border-radius: var(--fps-radius);
    border: 2px solid var(--fps-border);
    transition: var(--fps-transition);
}

.fps-option:hover {
    border-color: var(--fps-primary-color);
    transform: translateY(-2px);
}

.fps-option h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--fps-text-primary);
}

.fps-option p {
    margin: 0;
    color: var(--fps-text-secondary);
    font-size: 0.875rem;
}

/* ==========================================================================
   Loading & Success States
   ========================================================================== */

.fps-loading,
.fps-success {
    text-align: center;
    padding: 3rem;
}

.fps-loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--fps-border);
    border-top: 4px solid var(--fps-primary-color);
    border-radius: 50%;
    animation: fps-spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes fps-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fps-success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.fps-success h2 {
    color: var(--fps-success-color);
    margin-bottom: 1rem;
}

.fps-success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .fps-container {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .fps-header h1 {
        font-size: 2rem;
    }
    
    .fps-intent-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 0.75rem;
    }
    
    .fps-intent-card {
        padding: 1.5rem 0.75rem;
    }
    
    .fps-intent-icon {
        font-size: 2rem;
    }
    
    .fps-step-actions {
        flex-direction: column;
    }
    
    .fps-btn {
        width: 100%;
    }
    
    .fps-publish-options {
        grid-template-columns: 1fr;
    }
    
    .fps-success-actions {
        flex-direction: column;
    }
    
    .fps-formatting-toolbar {
        position: fixed;
        bottom: 1rem;
        left: 50%;
        transform: translateX(-50%);
        top: auto;
    }
}

@media (max-width: 480px) {
    .fps-container {
        margin: 0.5rem;
        padding: 1rem;
    }
    
    .fps-header h1 {
        font-size: 1.75rem;
    }
    
    .fps-progress {
        margin-bottom: 2rem;
    }
    
    .fps-step-label {
        font-size: 0.75rem;
    }
    
    .fps-enhancements {
        padding: 1.5rem;
    }
    
    .fps-upload-area {
        padding: 1.5rem;
    }
    
    .fps-preview {
        padding: 1.5rem;
    }
}

/* ==========================================================================
   Accessibility & Print
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .fps-container {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .fps-step-actions,
    .fps-loading,
    .fps-success,
    .fps-formatting-toolbar {
        display: none !important;
    }
    
    .fps-btn {
        border: 1px solid #000;
        background: transparent !important;
        color: #000 !important;
    }
}

/* ==========================================================================
   High Contrast Mode
   ========================================================================== */

@media (prefers-contrast: high) {
    :root {
        --fps-border: #000000;
        --fps-text-primary: #000000;
        --fps-text-secondary: #000000;
    }
    
    .fps-input,
    .fps-textarea {
        border-width: 3px;
    }
    
    .fps-btn {
        border-width: 2px;
    }
}

/* ==========================================================================
   Focus Management
   ========================================================================== */

.fps-btn:focus,
.fps-input:focus,
.fps-textarea:focus,
.fps-intent-card:focus,
.fps-format-btn:focus {
    outline: 2px solid var(--fps-primary-color);
    outline-offset: 2px;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.fps-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.fps-hidden {
    display: none !important;
}

.fps-visible {
    display: block !important;
}