/* ==========================================================================
   Layout - Two-column Editor + Preview
   ========================================================================== */

/* Mobile Navigation - Hidden by default, shown on small screens */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 100%;
}

.mobile-nav-title {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
}

.mobile-nav-toggle {
    background: var(--primary-gradient);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.mobile-nav-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.mobile-nav-toggle:active::before {
    width: 300px;
    height: 300px;
}

.mobile-nav-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

.mobile-nav-toggle:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

.mobile-nav-toggle.active {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.mobile-nav-toggle.active:hover {
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.mobile-nav-toggle svg {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-toggle.active svg {
    transform: rotate(45deg);
}

.app-container {
    display: flex;
    min-height: 100vh;
    max-width: 1920px;
    margin: 0 auto;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    transition: all 0.3s ease;
}

/* Editor Panel */
.editor-panel {
    width: 420px;
    min-width: 420px;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    overflow-x: hidden;
    height: 100vh;
    position: sticky;
    top: 0;
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    visibility: visible;
    transform: translateX(0);
}

.editor-panel::-webkit-scrollbar {
    width: 8px;
}

.editor-panel::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.editor-panel::-webkit-scrollbar-thumb {
    background: var(--border-color-dark);
    border-radius: 4px;
}

.editor-panel::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.editor-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 3px solid transparent;
    border-image: var(--primary-gradient);
    border-image-slice: 1;
    animation: fadeInDown 0.6s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.editor-header h1 {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.editor-header .tagline {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* Control Group */
.control-group {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.control-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

/* Download Section */
.download-section {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg) 0;
    border-top: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
    animation: fadeInUp 0.5s ease;
}

.btn-download {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-download::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-download:hover::before {
    width: 300px;
    height: 300px;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-download:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-download svg {
    position: relative;
    z-index: 1;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-3px);
    }
}

.download-hint {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* Action Buttons */
.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    animation: slideIn 0.6s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.action-buttons .btn-primary {
    grid-column: 1 / -1;
}

/* Preview Panel */
.preview-panel {
    flex: 1;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: var(--spacing-2xl);
    overflow-y: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    transition: all 0.3s ease;
}

.preview-panel::-webkit-scrollbar {
    width: 10px;
}

.preview-panel::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.preview-panel::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 5px;
}

.preview-panel::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.resume-preview {
    background-color: var(--bg-primary);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    min-height: 297mm;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeInUp 0.6s ease;
    border-radius: 4px;
    overflow: hidden;
}

.resume-preview:hover {
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(0, 0, 0, 0.05);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Page size classes */
.resume-preview.page-a4 {
    width: 210mm;
    min-height: 297mm;
    padding: 20mm;
}

.resume-preview.page-letter {
    width: 8.5in;
    min-height: 11in;
    padding: 0.75in;
}

/* Make resume preview responsive on smaller screens */
@media (max-width: 900px) {

    .resume-preview.page-a4,
    .resume-preview.page-letter {
        width: 100%;
        padding: var(--spacing-xl);
    }
}

/* Responsive Design */
@media (max-width: 1400px) {
    .editor-panel {
        width: 380px;
        min-width: 380px;
        max-width: 380px;
    }
}

@media (max-width: 1200px) {
    .app-container {
        flex-direction: column;
    }

    .editor-panel {
        width: 100%;
        max-width: 100%;
        min-width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 2px solid var(--border-color);
        backdrop-filter: none;
        background: var(--bg-primary);
    }

    .preview-panel {
        padding: var(--spacing-xl);
        min-height: auto;
    }

    .resume-preview {
        width: 100% !important;
        min-height: auto;
        padding: var(--spacing-xl) !important;
        max-width: 900px;
        margin: 0 auto;
    }

    .resume-preview:hover {
        transform: none;
    }
}

@media (max-width: 768px) {

    /* Show mobile navigation */
    .mobile-nav {
        display: block;
    }

    /* Add padding to app-container for fixed navbar */
    .app-container {
        padding-top: 60px;
        position: relative;
    }

    /* Backdrop overlay */
    .app-container::before {
        content: '';
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 998;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        pointer-events: none;
    }

    .app-container.editor-open::before {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    /* Hide editor panel by default on mobile */
    .editor-panel {
        position: fixed;
        top: 60px;
        left: 0;
        bottom: 0;
        width: 85% !important;
        max-width: 420px !important;
        min-width: 280px !important;
        height: calc(100vh - 60px);
        padding: var(--spacing-xl) var(--spacing-lg);
        z-index: 999;
        transform: translateX(-100%);
        visibility: hidden;
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
        overflow-y: auto;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
        border-right: 1px solid rgba(14, 165, 233, 0.15);
    }

    /* Custom scrollbar for mobile editor */
    .editor-panel::-webkit-scrollbar {
        width: 6px;
    }

    .editor-panel::-webkit-scrollbar-track {
        background: rgba(14, 165, 233, 0.05);
    }

    .editor-panel::-webkit-scrollbar-thumb {
        background: rgba(14, 165, 233, 0.3);
        border-radius: 3px;
    }

    .editor-panel::-webkit-scrollbar-thumb:hover {
        background: rgba(14, 165, 233, 0.5);
    }

    /* Show editor panel when active */
    .editor-panel.mobile-active {
        transform: translateX(0);
        visibility: visible;
    }

    /* Animate editor content when panel opens */
    .editor-panel.mobile-active .editor-header,
    .editor-panel.mobile-active .control-group,
    .editor-panel.mobile-active .form-section {
        animation: slideInFromLeft 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
        opacity: 0;
    }

    .editor-panel.mobile-active .editor-header {
        animation-delay: 0.1s;
    }

    .editor-panel.mobile-active .control-group:nth-child(2) {
        animation-delay: 0.15s;
    }

    .editor-panel.mobile-active .control-group:nth-child(3) {
        animation-delay: 0.2s;
    }

    .editor-panel.mobile-active .form-section {
        animation-delay: 0.25s;
    }

    @keyframes slideInFromLeft {
        from {
            opacity: 0;
            transform: translateX(-20px);
        }

        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    .preview-panel {
        padding: var(--spacing-md);
        min-height: auto;
        width: 100%;
    }

    .resume-preview {
        padding: var(--spacing-lg) !important;
        border-radius: 0;
        width: 100% !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .resume-preview.page-a4,
    .resume-preview.page-letter {
        padding: var(--spacing-lg) !important;
    }

    .action-buttons {
        grid-template-columns: 1fr;
    }

    .action-buttons .btn-primary {
        grid-column: 1;
    }
}

@media (max-width: 480px) {
    .mobile-nav-content {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .mobile-nav-title {
        font-size: var(--font-size-lg);
    }

    .mobile-nav-toggle {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.813rem;
    }

    .mobile-nav-toggle svg {
        width: 16px;
        height: 16px;
        margin-right: 4px;
    }

    .editor-panel {
        padding: var(--spacing-md);
        width: 90% !important;
        max-width: 380px !important;
    }

    .editor-header h1 {
        font-size: var(--font-size-2xl);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .resume-preview {
        padding: var(--spacing-md) !important;
        margin: 0 !important;
    }

    .resume-preview.page-a4,
    .resume-preview.page-letter {
        padding: var(--spacing-md) !important;
    }
}