/* Modern Mobile-Forward CSS for AIM Creative Ops */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern Color Palette */
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --secondary: #8B5CF6;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    
    /* Grays */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-500: #6B7280;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Stage Colors */
    --stage-drafts: #9CA3AF;
    --stage-requests: #3B82F6;
    --stage-graphics: #8B5CF6;
    --stage-videos: #EC4899;
    --stage-review: #F59E0B;
    --stage-completed: #10B981;
    --stage-schedule: #06B6D4;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows - Enhanced for modern depth */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 12px 24px -4px rgba(0, 0, 0, 0.12), 0 6px 12px -2px rgba(0, 0, 0, 0.08);
    
    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Login Screen */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.login-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 400px;
}

.brand-logo {
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.login-card h2 {
    text-align: center;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
    font-weight: 600;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn {
    padding: 0.75rem var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-slow);
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem var(--spacing-md);
    font-size: 0.875rem;
}

.error-message {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
    text-align: center;
}

.help-text {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-top: var(--spacing-lg);
}

/* Mobile Header */
.mobile-header {
    display: none;
    background: white;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    align-items: center;
    justify-content: space-between;
}

.menu-toggle {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

.header-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.header-user {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: white;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.75rem var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
    margin-bottom: var(--spacing-xs);
}

.nav-item:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-item .icon {
    font-size: 1.25rem;
}

.nav-item .label {
    font-weight: 500;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

/* Main Content */
.main-content {
    margin-left: 260px;
    min-height: 100vh;
    padding: var(--spacing-xl);
    background: var(--gray-50);
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--gray-600);
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

/* Grid Layout */
.grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Kanban Board */
.kanban-board {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
}

.kanban-column {
    min-width: 300px;
    flex-shrink: 0;
}

.column-header {
    padding: var(--spacing-md);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    color: white;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.column-header.drafts { background: var(--stage-drafts); }
.column-header.requests { background: var(--stage-requests); }
.column-header.graphics { background: var(--stage-graphics); }
.column-header.videos { background: var(--stage-videos); }
.column-header.review { background: var(--stage-review); }
.column-header.completed { background: var(--stage-completed); }
.column-header.schedule { background: var(--stage-schedule); }

.column-content {
    background: var(--gray-100);
    padding: var(--spacing-md);
    min-height: 400px;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.task-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition-slow);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.task-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

.task-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--primary);
}

.task-card:hover::before {
    opacity: 1;
}

.task-title {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.task-badges {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-graphic { background: #E0E7FF; color: #4338CA; }
.badge-video { background: #FCE7F3; color: #BE185D; }
.badge-brand { background: #F3F4F6; color: #374151; }

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-header {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .kanban-board {
        flex-direction: column;
    }
    
    .kanban-column {
        min-width: 100%;
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-xl) auto;
}

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

/* Tab Navigation */
.tab-nav {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-xl);
}

.tab-button {
    padding: var(--spacing-md) var(--spacing-xl);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--gray-600);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: -2px;
}

.tab-button:hover {
    color: var(--primary);
    background: var(--gray-50);
}

.tab-button.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

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

/* Wizard Styles */
.wizard-progress {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
}

.wizard-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    position: relative;
}

.wizard-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--gray-300);
    z-index: 0;
}

.wizard-step.completed:not(:last-child)::after {
    background: var(--primary);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-300);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: var(--transition);
    z-index: 1;
}

.wizard-step.active .step-number {
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.wizard-step.completed .step-number {
    background: var(--success);
}

.step-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
}

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

.wizard-panel {
    display: none;
}

.wizard-panel.active {
    display: block;
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.brand-card {
    padding: var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    background: white;
}

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

.brand-card.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.brand-name {
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.brand-desc {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.review-summary {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
}

/* Mobile Wizard Adjustments */
@media (max-width: 640px) {
    .wizard-progress {
        padding: var(--spacing-md);
    }
    
    .step-label {
        font-size: 0.75rem;
    }
    
    .step-number {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
    
    .wizard-step:not(:last-child)::after {
        top: 16px;
    }
    
    .brand-grid {
        grid-template-columns: 1fr;
    }
}

/* Brand Folder Management */
.brand-folder-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    background: white;
}

.brand-folder-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.brand-folder-item.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.brand-folder-icon {
    font-size: 2rem;
}

.brand-folder-info {
    flex: 1;
}

.brand-folder-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.brand-folder-meta {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* File Cards */
.files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.file-card {
    padding: var(--spacing-lg);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-slow);
    background: white;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.file-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.file-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.file-card:hover::after {
    transform: scaleX(1);
}

.file-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.file-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    word-break: break-word;
}

.file-meta {
    font-size: 0.75rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.file-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Mention Autocomplete */
.mention-autocomplete {
    position: absolute;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1001;
    min-width: 200px;
}

.mention-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--gray-100);
}

.mention-item:last-child {
    border-bottom: none;
}

.mention-item:hover,
.mention-item.selected {
    background: var(--primary);
    color: white;
}

.mention-item-email {
    font-weight: 600;
    font-size: 0.875rem;
}

.mention-item-role {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 2px;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
    margin: 0 auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 2px solid var(--gray-200);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--gray-500);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.modal-content form {
    padding: var(--spacing-xl);
}

/* Upload Zone */
.upload-zone {
    border: 3px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition);
    background: var(--gray-50);
    margin: var(--spacing-xl);
}

.upload-zone.drag-over {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

#upload-preview {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
}

/* Mobile Brand Adjustments */
@media (max-width: 768px) {
    .files-grid {
        grid-template-columns: 1fr;
    }
    
    .file-actions {
        flex-direction: column;
    }
}

/* Utility Classes */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }

/* Chip Checkbox Styles */
.chip-checkbox {
    display: inline-block;
    position: relative;
    cursor: pointer;
}

.chip-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
}

.chip-checkbox span {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    background: white;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.chip-checkbox input[type="checkbox"]:checked + span {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.chip-checkbox:hover span {
    border-color: var(--primary);
}

.chip-checkbox input[type="checkbox"]:checked + span:hover {
    background: var(--primary-dark);
}

/* Checkbox Label Styles */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.25rem 0;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

/* Modern radio styles */
input[type="radio"] {
    cursor: pointer;
    width: 1.125rem;
    height: 1.125rem;
}

/* Wizard specific styles */
.wizard-panel h3 {
    margin-bottom: 1.5rem;
    color: var(--gray-900);
    font-size: 1.5rem;
}

.wizard-panel h4 {
    margin-bottom: 0.75rem;
    color: var(--gray-700);
    font-size: 1.125rem;
}

.wizard-panel .form-group {
    margin-bottom: 1.5rem;
}

.wizard-panel .form-group:last-child {
    margin-bottom: 0;
}

.wizard-panel small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
}