:root {
    --bg-main: #f9fafb; /* Off-white */
    --bg-secondary: #ffffff; /* Branco puro para cartões */
    --bg-tertiary: #f3f4f6; /* Cinza super claro para hovers */
    
    --text-primary: #111827; /* Quase preto */
    --text-secondary: #4b5563; /* Cinza médio */
    
    --accent-color: #059669; /* Verde Esmeralda */
    --accent-hover: #047857; /* Esmeralda mais escuro */
    
    --secondary-accent: #d97706; /* Âmbar / Laranja Suave */
    
    --border-color: rgba(0, 0, 0, 0.1);
    
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    --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);
    
    --transition: all 0.2s ease;
    
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    font-size: 14px;
    line-height: 1.5;
}

.app-container {
    display: flex;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    z-index: 10;
}

.logo-container {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.logo-container h2 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-container h2 i {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.nav-links {
    list-style: none;
    flex: 1;
    overflow: hidden;
    padding: 0 1rem;
}

.nav-links li {
    margin-bottom: 4px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.nav-links a i {
    font-size: 1.25rem;
    opacity: 0.7;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-links a:hover i {
    opacity: 1;
}

.nav-links a.active {
    background: var(--accent-color);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.nav-links a.active i {
    opacity: 1;
}

/* Main Content */
.content-area {
    flex: 1;
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

#page-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 4px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    padding: 6px 12px 6px 6px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.user-info:hover {
    background: var(--bg-tertiary);
}

.user-avatar {
    background: var(--accent-color);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.85rem;
}

/* Workspace Select (Environment) */
.workspace-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    transition: var(--transition);
}
.workspace-selector:hover {
    border-color: var(--accent-color);
}
.workspace-selector i {
    color: var(--accent-color);
    font-size: 1.2rem;
}
.global-select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    outline: none;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    width: 250px;
}

/* Sections */
.hidden-section {
    display: none !important;
}

.active-section {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow-y: auto;
    padding-right: 8px;
    min-height: 0;
    animation: fadeIn 0.3s ease-out;
}

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

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--bg-tertiary);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-card h3 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

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

.btn-primary {
    padding: 8px 16px;
    background: var(--accent-color);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

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

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-icon.delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: var(--danger);
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 1rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input, select, textarea {
    padding: 10px 14px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* List Items */
.list-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.list-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.list-item:hover {
    border-color: var(--bg-tertiary);
    transform: translateX(4px);
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

/* Badges */
.badge {
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge-info { background: rgba(14, 165, 233, 0.1); color: var(--info); }

/* Modal */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 100;
}

.modal.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: var(--transition);
}

.modal.show .modal-content {
    transform: scale(1);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
    font-weight: 500;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }

/* Progress Bar */
.progress-container {
    background: var(--bg-main);
    border-radius: var(--radius-full);
    height: 12px;
    width: 100%;
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.progress-bar {
    height: 100%;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Restoring legacy class names with modern styling */
.glass-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 100;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-close:hover {
    color: var(--danger);
}

.tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tab.active, .tab:hover {
    color: var(--text-primary);
    border-bottom-color: var(--accent-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.global-context-bar {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.input {
    padding: 10px 14px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.sections {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

#dashboard, #process {
    overflow-y: auto;
    padding-right: 8px;
}

.list-header, .filter-panel, .documents-tabs, .pagination-controls, .form-card {
    flex-shrink: 0;
}

.sections, .active-section, #dashboard, #process {
    min-height: 0;
}

.list-container {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

/* Compact button rules */
.btn-sm {
    padding: 6px 12px !important;
    font-size: 0.8rem !important;
    border-radius: 6px !important;
    gap: 4px !important;
}

/* Compact filter panel rules */
#doc-filter-panel {
    padding: 0.5rem 1rem !important;
    margin-bottom: 0.5rem !important;
}

#doc-filter-panel .form-group {
    margin-bottom: 0.25rem !important;
    gap: 3px !important;
}

#doc-filter-panel .form-group label {
    font-size: 0.75rem !important;
}

#doc-filter-panel input, #doc-filter-panel select {
    padding: 6px 10px !important;
    font-size: 0.85rem !important;
    height: 32px !important;
}

#doc-filter-panel .btn, #doc-filter-panel .btn-primary {
    padding: 6px 12px !important;
    font-size: 0.8rem !important;
    height: 32px !important;
}