/* ============================================
   CSS Principal - Sistema de Degustação
   ============================================ */

:root {
    /* Cores principais */
    --primary: #25D366;
    --primary-dark: #128C7E;
    --primary-light: #DCF8C6;
    --secondary: #075E54;
    --accent: #34B7F1;
    
    /* Neutros */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Status */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Bordas */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Sombras */
    --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);
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ============================================
   Reset e Base
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Utilitários
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.hidden {
    display: none !important;
}

/* ============================================
   Botões
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(37, 211, 102, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(37, 211, 102, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-dark);
    border-color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary-light);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

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

.btn-icon {
    font-size: 1.25em;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0 0;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding-bottom: var(--spacing-3xl);
}

.hero-content {
    z-index: 1;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero h1 .highlight {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cta-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    background: var(--gray-800);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
    transform: rotate(3deg);
}

.phone-screen {
    background: linear-gradient(180deg, #ECE5DD 0%, #E5DDD5 100%);
    border-radius: 30px;
    width: 280px;
    height: 500px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.chat-preview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.chat-bubble {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    max-width: 85%;
    animation: fadeInUp 0.5s ease forwards;
}

.chat-bubble.sent {
    background: var(--primary-light);
    color: var(--gray-800);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-bubble.received {
    background: var(--white);
    color: var(--gray-800);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

/* ============================================
   Sections
   ============================================ */

section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--gray-500);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Benefits Section
   ============================================ */

.benefits {
    background: var(--gray-50);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.benefit-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-800);
}

.benefit-card p {
    color: var(--gray-500);
    font-size: 0.9375rem;
}

/* ============================================
   How it Works Section
   ============================================ */

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.step-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-800);
}

.step-content p {
    color: var(--gray-500);
    font-size: 0.9375rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--gray-300);
}

/* ============================================
   Use Cases Section
   ============================================ */

.use-cases {
    background: var(--white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.case-card {
    padding: var(--spacing-xl);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.case-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.case-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.case-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-800);
}

.case-card p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-3xl) 0;
}

.cta-box {
    text-align: center;
    color: var(--white);
}

.cta-box h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-box p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-box .btn-primary {
    background: var(--white);
    color: var(--primary-dark);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.2);
}

.cta-box .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 0, 0, 0.3);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer p {
    margin-bottom: var(--spacing-xs);
}

.footer-note {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ============================================
   Forms
   ============================================ */

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

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

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

.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-hint {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.form-error {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-100);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

/* ============================================
   Page Wrapper
   ============================================ */

.page-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    display: flex;
    flex-direction: column;
}

.page-header {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-lg) 0;
}

.page-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.page-content {
    flex: 1;
    padding: var(--spacing-2xl) 0;
}

/* ============================================
   Auth Page
   ============================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-xl);
}

.auth-card {
    width: 100%;
    max-width: 450px;
}

.auth-header {
    text-align: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.auth-logo {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.auth-header p {
    opacity: 0.9;
    margin-top: var(--spacing-sm);
}

.auth-form {
    padding: var(--spacing-2xl);
}

/* ============================================
   QR Code Section
   ============================================ */

.qr-section {
    text-align: center;
    padding: var(--spacing-2xl);
}

.qr-container {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    display: inline-block;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.qr-code {
    width: 256px;
    height: 256px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pairing-code {
    background: var(--gray-100);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
}

.pairing-code-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.pairing-code-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: monospace;
    letter-spacing: 0.25em;
    color: var(--primary-dark);
}

.connection-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
}

.connection-status.connecting {
    background: var(--warning);
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.connection-status.connected {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.connection-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   Dashboard
   ============================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-xl);
    min-height: calc(100vh - 200px);
}

.sidebar {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: var(--spacing-xs);
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: var(--primary-light);
    color: var(--primary-dark);
}

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

.main-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Bulk Sender
   ============================================ */

.bulk-sender-section {
    display: none;
}

.bulk-sender-section.active {
    display: block;
}

.templates-container {
    border: 2px dashed var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.template-item {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.template-item:last-child {
    margin-bottom: 0;
}

.template-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.template-number {
    font-weight: 600;
    color: var(--gray-700);
}

.template-remove {
    color: var(--error);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.template-textarea {
    width: 100%;
    min-height: 80px;
    padding: var(--spacing-md);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    resize: vertical;
    font-family: inherit;
}

.add-template-btn {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px dashed var(--primary);
    border-radius: var(--radius-md);
    color: var(--primary-dark);
    background: transparent;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.add-template-btn:hover {
    background: var(--primary-light);
}

/* Recipients */
.recipients-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.recipient-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    background: var(--gray-100);
    color: var(--gray-600);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.recipient-tab.active {
    background: var(--primary);
    color: var(--white);
}

.recipients-panel {
    display: none;
}

.recipients-panel.active {
    display: block;
}

.manual-input {
    min-height: 150px;
    font-family: monospace;
}

.contacts-list,
.groups-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
}

.list-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.list-item:hover {
    background: var(--gray-50);
}

.list-item.selected {
    background: var(--primary-light);
}

.list-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.list-item-info {
    flex: 1;
}

.list-item-name {
    font-weight: 500;
    color: var(--gray-800);
}

.list-item-number {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Delay Settings */
.delay-settings {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.delay-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.delay-group label {
    font-weight: 500;
    color: var(--gray-700);
}

.delay-inputs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.delay-input {
    width: 80px;
    padding: var(--spacing-sm);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    text-align: center;
}

/* Progress */
.progress-container {
    display: none;
    margin-top: var(--spacing-xl);
}

.progress-container.active {
    display: block;
}

.progress-bar-wrapper {
    background: var(--gray-200);
    border-radius: var(--radius-full);
    height: 24px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
}

.progress-stats {
    display: flex;
    justify-content: space-around;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-value.success { color: var(--success); }
.stat-value.error { color: var(--error); }
.stat-value.pending { color: var(--gray-500); }

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.log-container {
    background: var(--gray-900);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    max-height: 200px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.8125rem;
}

.log-entry {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--gray-700);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    color: var(--gray-500);
}

.log-success {
    color: var(--success);
}

.log-error {
    color: var(--error);
}

.log-info {
    color: var(--info);
}

/* ============================================
   Modal
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--spacing-xl);
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

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

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.modal-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--gray-50);
    text-align: center;
}

.premium-features {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.premium-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    color: var(--gray-700);
}

.premium-features li::before {
    content: "✓";
    color: var(--primary);
    font-weight: 700;
}

/* ============================================
   Search and Filter
   ============================================ */

.search-filter {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.search-input {
    flex: 1;
    position: relative;
}

.search-input input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 40px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
}

.search-input::before {
    content: "🔍";
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
}

/* ============================================
   Pagination
   ============================================ */

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.pagination button {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.pagination button:hover,
.pagination button.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Loading States
   ============================================ */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    color: var(--gray-500);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

/* ============================================
   Alerts
   ============================================ */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
    border: 1px solid var(--info);
}

/* ============================================
   Animations
   ============================================ */

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn var(--transition-normal) ease forwards;
}

.fade-in-up {
    animation: fadeInUp var(--transition-normal) ease forwards;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-image {
        display: none;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: sticky;
        top: 0;
        background: var(--white);
        z-index: 10;
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .sidebar-nav {
        display: flex;
        overflow-x: auto;
        gap: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }
    
    .sidebar-nav li {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .sidebar-nav a {
        white-space: nowrap;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .sidebar > div:last-child {
        display: none;
    }
    
    /* Header responsivo */
    .page-header .container {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .page-title {
        font-size: 1.25rem !important;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .benefits-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .delay-settings {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .delay-group label {
        font-size: 0.9375rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .delay-inputs {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .delay-input {
        width: 70px;
    }
    
    .progress-stats {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    /* Header mobile */
    .page-header .container {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .page-header .container > div {
        width: 100%;
        justify-content: center;
    }
    
    /* Recipients tabs mobile */
    .recipients-tabs {
        flex-wrap: wrap;
    }
    
    .recipient-tab {
        flex: 1;
        text-align: center;
        min-width: 80px;
    }
    
    /* Sidebar nav horizontal */
    .sidebar-nav a {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    .sidebar-nav a span[style*="margin-left: auto"] {
        margin-left: 0 !important;
        margin-top: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .auth-card {
        margin: var(--spacing-md);
    }
    
    .auth-form {
        padding: var(--spacing-lg);
    }
    
    /* Header ultra small */
    .page-title {
        font-size: 1rem !important;
    }
    
    #userInfo {
        font-size: 0.75rem !important;
    }
    
    .btn-sm {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }
    
    /* Delay inputs menor */
    .delay-input {
        width: 60px;
        padding: var(--spacing-xs);
        font-size: 0.875rem;
    }
    
    .delay-inputs span {
        font-size: 0.8125rem;
    }
    
    /* Sidebar compacto */
    .sidebar {
        padding: var(--spacing-sm);
    }
    
    .sidebar-nav a {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .sidebar-nav .nav-icon {
        font-size: 1rem;
    }
    
    /* Main content compacto */
    .main-content {
        padding: var(--spacing-md);
    }
    
    .main-content h2 {
        font-size: 1.25rem;
    }
    
    /* Form sections */
    .form-section h3 {
        font-size: 1rem;
    }
}