/* WEBP to JPG Converter Tool - Premium Theme Layout Stylesheet */

:root {
    --w2j-primary: #6366f1;
    --w2j-primary-hover: #4f46e5;
    --w2j-secondary: #f43f5e;
    --w2j-success: #10b981;
    --w2j-success-hover: #059669;
    --w2j-accent: #f59e0b;
    --w2j-bg-dark: #1e293b;
    --w2j-text-main: #334155;
    --w2j-text-muted: #64748b;
    --w2j-border-color: #cbd5e1;
    --w2j-card-bg: #ffffff;
    --w2j-preview-bg: #f8fafc;
    --w2j-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

/* Dark Mode Compatibility Automatic Detection */
@media (prefers-color-scheme: dark) {
    :root {
        --w2j-card-bg: #1e293b;
        --w2j-preview-bg: #0f172a;
        --w2j-text-main: #f1f5f9;
        --w2j-text-muted: #94a3b8;
        --w2j-border-color: #334155;
        --w2j-shadow: 0 15px 30px rgba(0,0,0,0.4);
    }
}

.w2j-container {
    max-width: 860px;
    margin: 2rem auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    color: var(--w2j-text-main);
    line-height: 1.6;
}

/* Header styling */
.w2j-header {
    text-align: center;
    margin-bottom: 2rem;
}

.w2j-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--w2j-primary), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.w2j-header p {
    color: var(--w2j-text-muted);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Tabs visual presentation */
.w2j-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: -1px;
    position: relative;
    z-index: 2;
}

.w2j-tab {
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid var(--w2j-border-color);
    background: var(--w2j-preview-bg);
    color: var(--w2j-text-muted);
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.w2j-tab.active {
    background: var(--w2j-card-bg);
    color: var(--w2j-primary);
    border-bottom-color: var(--w2j-card-bg);
}

.premium-lock {
    opacity: 0.7;
    position: relative;
}

.badge-premium {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #000;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
}

/* Card layout wrapper */
.w2j-card {
    background: var(--w2j-card-bg);
    border: 1px solid var(--w2j-border-color);
    border-radius: 0 12px 12px 12px;
    padding: 2.5rem;
    box-shadow: var(--w2j-shadow);
    transition: background 0.3s ease, border-color 0.3s ease;
}

/* Drag and Drop Zone styling */
.w2j-dropzone {
    border: 3px dashed var(--w2j-primary);
    background-color: var(--w2j-preview-bg);
    border-radius: 12px;
    padding: 3.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.w2j-dropzone:hover, .w2j-dropzone.dragover {
    background-color: rgba(99, 102, 241, 0.08);
    border-color: var(--w2j-primary-hover);
    transform: scale(1.01);
}

.w2j-icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
}

.w2j-upload-icon {
    font-size: 2.5rem;
    color: var(--w2j-primary);
}

.w2j-dropzone h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--w2j-text-main);
}

.w2j-dropzone p {
    color: var(--w2j-text-muted);
    margin: 0 0 1rem 0;
}

.w2j-browse-btn {
    color: var(--w2j-primary);
    font-weight: bold;
    text-decoration: underline;
}

.w2j-limits {
    display: block;
    font-size: 0.8rem;
    color: var(--w2j-text-muted);
}

/* Workstation workspace styling */
.w2j-workstation {
    margin-top: 1rem;
}

.w2j-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.w2j-col {
    flex: 1;
    min-width: 280px;
}

.w2j-box-title {
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--w2j-text-main);
}

.w2j-preview-container {
    background-color: var(--w2j-preview-bg);
    border: 1px dashed var(--w2j-border-color);
    border-radius: 8px;
    height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    padding: 10px;
}

.w2j-preview-container img {
    max-width: 100%;
    max-height: calc(100% - 35px);
    object-fit: contain;
    border-radius: 4px;
}

.w2j-meta {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.85);
    color: #fff;
    padding: 6px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.w2j-badge {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: bold;
}

.w2j-badge-webp { background-color: #2563eb; color: #fff; }
.w2j-badge-jpg { background-color: #e11d48; color: #fff; }

.placeholder-state {
    border-style: dashed;
}

.w2j-conversion-placeholder {
    text-align: center;
    color: var(--w2j-text-muted);
}

.w2j-conversion-placeholder i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--w2j-border-color);
}

/* Parameters Panel */
.w2j-parameters {
    display: flex;
    gap: 20px;
    background: var(--w2j-preview-bg);
    padding: 1.25rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid var(--w2j-border-color);
    flex-wrap: wrap;
}

.w2j-param-group {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.w2j-param-group label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--w2j-text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.w2j-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: var(--w2j-border-color);
    outline: none;
    margin: 10px 0;
}

.w2j-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--w2j-primary);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.w2j-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.w2j-select {
    width: 100%;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--w2j-border-color);
    background: var(--w2j-card-bg);
    color: var(--w2j-text-main);
}

.premium-feature {
    opacity: 0.6;
}

/* Progress & Loading Animations */
.w2j-progress-wrapper {
    margin-bottom: 1.5rem;
    text-align: center;
}

.w2j-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--w2j-border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.w2j-progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--w2j-primary), var(--w2j-secondary));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.w2j-progress-status {
    font-size: 0.85rem;
    color: var(--w2j-text-muted);
}

/* Buttons and Action Triggers */
.w2j-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.w2j-btn {
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none !important;
    transition: all 0.25s ease;
}

.w2j-btn-primary {
    background: linear-gradient(135deg, var(--w2j-primary), #a855f7);
    color: #fff !important;
}

.w2j-btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.w2j-btn-secondary {
    background: var(--w2j-preview-bg);
    color: var(--w2j-text-main) !important;
    border: 1px solid var(--w2j-border-color);
}

.w2j-btn-secondary:hover {
    background: var(--w2j-border-color);
}

.w2j-btn-success {
    background: linear-gradient(135deg, var(--w2j-success), #34d399);
    color: #fff !important;
}

.w2j-btn-success:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.w2j-btn-accent {
    background: linear-gradient(135deg, var(--w2j-accent), #fbbf24);
    color: #000 !important;
}

.w2j-btn-accent:hover {
    filter: brightness(1.1);
}

/* Live Alert System styles */
.w2j-alert {
    margin-top: 1.5rem;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeInSlide 0.3s ease;
}

.w2j-alert-error {
    background-color: rgba(244, 63, 94, 0.12);
    border: 1px solid var(--w2j-secondary);
    color: var(--w2j-secondary);
}

.w2j-alert-success {
    background-color: rgba(16, 185, 129, 0.12);
    border: 1px solid var(--w2j-success);
    color: var(--w2j-success);
}

/* Premium Marketing Cards Styles */
.w2j-pro-marketing {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(168, 85, 247, 0.05));
    border: 1px dashed var(--w2j-primary);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2.5rem;
    text-align: center;
}

.w2j-pro-marketing h3 {
    margin: 0 0 0.5rem 0;
    color: var(--w2j-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

.w2j-pro-marketing p {
    color: var(--w2j-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.w2j-pro-marketing ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--w2j-text-main);
}

.w2j-pro-marketing li {
    display: flex;
    align-items: center;
    gap: 5px;
}

.w2j-pro-marketing li i {
    color: var(--w2j-success);
}

.w2j-pro-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1e293b !important;
    text-decoration: none !important;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.w2j-pro-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(245, 158, 11, 0.3);
}

/* Modal Popup Window UI Layout */
.w2j-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    backdrop-filter: blur(4px);
}

.w2j-modal-card {
    background: var(--w2j-card-bg);
    border: 1px solid var(--w2j-border-color);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 450px;
    text-align: center;
    position: relative;
    box-shadow: var(--w2j-shadow);
    color: var(--w2j-text-main);
}

.w2j-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--w2j-text-muted);
}

.w2j-modal-icon {
    font-size: 3rem;
    color: #fbbf24;
    margin-bottom: 1rem;
}

.w2j-modal-card h2 {
    font-size: 1.5rem;
    margin: 0 0 0.75rem 0;
}

.w2j-modal-card p {
    font-size: 0.9rem;
    color: var(--w2j-text-muted);
    margin-bottom: 1.5rem;
}

.w2j-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* CSS Keyframes animations */
@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsiveness Adaptations */
@media (max-width: 600px) {
    .w2j-row {
        flex-direction: column;
    }
    .w2j-col {
        width: 100%;
    }
    .w2j-actions {
        flex-direction: column;
        width: 100%;
    }
    .w2j-btn {
        width: 100%;
        justify-content: center;
    }
    .w2j-tabs {
        flex-direction: column;
        gap: 2px;
    }
    .w2j-tab {
        border-radius: 6px;
    }
}