/* ===== RESET E VARIÁVEIS CSS ===== */
:root {
    /* Cores principais - Paleta moderna */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #8b5cf6;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Cores de status */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Cores neutras - tema claro */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Sombras modernas */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Espaçamentos */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Bordas */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Transições */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tema escuro */
body.dark-theme {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --border-light: #475569;
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: all var(--transition-normal);
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== LAYOUT PRINCIPAL ===== */
#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== HEADER MODERNO ===== */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-4) var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo i {
    font-size: var(--font-size-2xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    transition: left var(--transition-normal);
    z-index: -1;
}

.nav-btn:hover::before {
    left: 0;
}

.nav-btn:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-8) var(--spacing-6);
    width: 100%;
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-8);
    letter-spacing: -0.025em;
}

.section-title i {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== DASHBOARD MODERNO ===== */
.dashboard {
    margin-bottom: var(--spacing-12);
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

.summary-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.summary-card:hover::before {
    transform: scaleX(1);
}

.summary-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.summary-card .card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-2xl);
    position: relative;
}

.summary-card.total .card-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.summary-card.due .card-icon {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.summary-card.overdue .card-icon {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    color: #dc2626;
}

.summary-card.completed .card-icon {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #059669;
}

.card-content h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -0.025em;
}

/* ===== ACTIONS SECTION ===== */
.actions-section {
    margin-bottom: var(--spacing-12);
}

.actions-header {
    margin-bottom: var(--spacing-6);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    align-items: center;
    background: var(--bg-card);
    padding: var(--spacing-6);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.search-container {
    position: relative;
    flex: 1;
    min-width: 280px;
}

.search-container i {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.search-container input {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-4) var(--spacing-4) 3rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.search-container input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background-color: var(--bg-primary);
}

.filter-select {
    padding: var(--spacing-4) var(--spacing-5);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 160px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* ===== BOTÕES MODERNOS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    transition: left var(--transition-normal);
}

.btn-primary:hover::before {
    left: 0;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

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

/* ===== KANBAN BOARD MODERNO ===== */
.kanban-section {
    margin-bottom: var(--spacing-12);
}

.kanban-board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-6);
    min-height: 600px;
}

.kanban-column {
    background: var(--bg-card);
    border-radius: var(--border-radius-2xl);
    padding: var(--spacing-6);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.kanban-column:hover {
    box-shadow: var(--shadow-xl);
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 2px solid var(--border-light);
}

.column-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.task-count {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 700;
    min-width: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.tasks {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    min-height: 200px;
}

/* ===== TASK CARDS MODERNOS ===== */
.task-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.task-card.priority-baixa::before {
    background: linear-gradient(180deg, #10b981 0%, #059669 100%);
}

.task-card.priority-media::before {
    background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
}

.task-card.priority-alta::before {
    background: linear-gradient(180deg, #ef4444 0%, #dc2626 100%);
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.task-card:hover::before {
    width: 6px;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-3);
}

.task-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
    letter-spacing: -0.025em;
}

.task-actions {
    display: flex;
    gap: var(--spacing-1);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.task-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.task-action-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    transition: all var(--transition-normal);
    transform: translate(-50%, -50%);
}

.task-action-btn:hover::before {
    width: 100%;
    height: 100%;
}

.task-action-btn.edit {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.task-action-btn.edit::before {
    background-color: var(--info-color);
}

.task-action-btn.delete {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.task-action-btn.delete::before {
    background-color: var(--danger-color);
}

.task-action-btn.whatsapp {
    background-color: rgba(37, 211, 102, 0.1);
    color: #25d366;
}

.task-action-btn.whatsapp::before {
    background-color: #25d366;
}

.task-action-btn:hover {
    color: white;
    transform: scale(1.1);
}

.task-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
    line-height: 1.6;
}

.task-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-xs);
}

.task-client {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--text-muted);
    font-weight: 500;
}

.task-due-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: var(--font-size-xs);
}

.task-due-date.overdue {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: var(--danger-color);
}

.task-due-date.due-soon {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: var(--warning-color);
}

.task-due-date.normal {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: var(--success-color);
}

/* ===== MODAIS MODERNOS ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    animation: fadeIn var(--transition-normal);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        backdrop-filter: blur(0px);
    }
    to { 
        opacity: 1; 
        backdrop-filter: blur(8px);
    }
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn var(--transition-normal);
    border: 1px solid var(--border-light);
}

.modal-content.large {
    max-width: 800px;
}

.modal-content.small {
    max-width: 400px;
}

@keyframes slideIn {
    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-8);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-2xl) var(--border-radius-2xl) 0 0;
}

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.025em;
}

.close-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background: var(--danger-color);
    color: white;
    transform: scale(1.1);
}

.modal-body {
    padding: var(--spacing-8);
}

/* ===== FORMULÁRIOS MODERNOS ===== */
.modal-form {
    padding: var(--spacing-8);
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
}

.form-group label i {
    color: var(--primary-color);
    width: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-4);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background-color: var(--bg-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--border-light);
}

/* ===== GERENCIAMENTO DE CLIENTES ===== */
.client-management-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
}

.clients-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.client-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.client-item:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.client-info h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
    letter-spacing: -0.025em;
}

.client-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.client-actions {
    display: flex;
    gap: var(--spacing-2);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .header-content {
        padding: var(--spacing-4);
    }
    
    .logo h1 {
        font-size: var(--font-size-xl);
    }
    
    .nav-btn span {
        display: none;
    }
    
    .main-content {
        padding: var(--spacing-6) var(--spacing-4);
    }
    
    .summary-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .filters {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-3);
    }
    
    .search-container {
        min-width: auto;
    }
    
    .kanban-board {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-4);
    }
    
    .modal-header,
    .modal-body,
    .modal-form {
        padding: var(--spacing-6);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .client-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }
    
    .client-actions {
        align-self: stretch;
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .main-content {
        padding: var(--spacing-4) var(--spacing-3);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .summary-card {
        padding: var(--spacing-6);
    }
    
    .kanban-column {
        padding: var(--spacing-4);
    }
    
    .task-card {
        padding: var(--spacing-4);
    }
}

/* ===== ANIMAÇÕES E MICRO-INTERAÇÕES ===== */
.task-card {
    animation: slideInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.summary-card {
    animation: fadeInScale 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== ESTADOS DE LOADING ===== */
.loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== SCROLLBAR PERSONALIZADA ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===== NOTIFICAÇÕES ===== */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ===== UTILITÁRIOS ===== */
.hidden {
    display: none !important;
}

.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;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted) !important;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.mt-lg {
    margin-top: var(--spacing-6) !important;
}

/* ===== ESTADOS VAZIOS ===== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-12) var(--spacing-6);
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
    opacity: 0.5;
}

.empty-state p {
    font-size: var(--font-size-sm);
    font-weight: 500;
}