/* ====================================
   PETSABE - CSS PERSONALIZADO
   Design profissional com alto contraste e animações
   ==================================== */

/* ====================================
   VARIÁVEIS E CORES (ALTO CONTRASTE)
   ==================================== */
:root {
    /* Cores Principais - Alto Contraste */
    --primary: #5046e5;
    --primary-dark: #3730a3;
    --primary-light: #6366f1;
    --primary-gradient: linear-gradient(135deg, #5046e5 0%, #7c3aed 100%);
    
    --secondary: #f59e0b;
    --secondary-dark: #d97706;
    --secondary-light: #fbbf24;
    --secondary-gradient: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    
    --success: #059669;
    --success-light: #10b981;
    --success-gradient: linear-gradient(135deg, #059669 0%, #10b981 100%);
    
    --danger: #dc2626;
    --danger-light: #ef4444;
    --danger-gradient: linear-gradient(135deg, #dc2626 0%, #f87171 100%);
    
    --warning: #d97706;
    --warning-light: #f59e0b;
    
    --info: #2563eb;
    --info-light: #3b82f6;
    
    /* Cores Neutras - Maior Contraste */
    --dark: #0f172a;
    --dark-alt: #1e293b;
    --light: #f8fafc;
    --light-alt: #f1f5f9;
    --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;
    
    /* Tipografia */
    --font-primary: 'Poppins', sans-serif;
    --font-size-base: 16px;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transições */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Sombras - Mais Definidas */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.12), 0 1px 2px 0 rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-2xl: 0 35px 60px -15px rgba(0, 0, 0, 0.3);
    
    /* Brilhos (para efeitos hover) */
    --glow-primary: 0 0 20px rgba(80, 70, 229, 0.4);
    --glow-secondary: 0 0 20px rgba(245, 158, 11, 0.4);
    --glow-success: 0 0 20px rgba(5, 150, 105, 0.4);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

/* ====================================
   ANIMAÇÕES PROFISSIONAIS
   ==================================== */

/* Keyframes de Entrada */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(80, 70, 229, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(80, 70, 229, 0.8), 0 0 30px rgba(80, 70, 229, 0.6);
    }
}

@keyframes slideDown {
    from {
        max-height: 0;
        opacity: 0;
    }
    to {
        max-height: 500px;
        opacity: 1;
    }
}

/* Animação de Loading */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes dots {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}

/* Gradiente Animado */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Classes de Animação Reutilizáveis */
.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInDown {
    animation: fadeInDown 0.6s ease-out;
}

.animate-scaleIn {
    animation: scaleIn 0.4s ease-out;
}

.animate-bounce {
    animation: bounce 1s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Delays para animações em sequência */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Acessibilidade - Skip to main content */
.skip-to-main {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999;
    padding: 1em;
    background-color: var(--primary);
    color: var(--white);
    text-decoration: none;
}

.skip-to-main:focus {
    left: 50%;
    transform: translateX(-50%);
}

/* Foco visível para acessibilidade */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

/* ====================================
   NAVEGAÇÃO
   ==================================== */
.navbar {
    padding: 1rem 0;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.bg-primary-custom {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white) !important;
}

.logo-placeholder,
.logo-placeholder-footer {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.logo-placeholder-footer {
    width: 50px;
    height: 50px;
    background: var(--primary);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--white) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* ====================================
   HERO SECTION
   ==================================== */
.hero-section {
    background: linear-gradient(135deg, #5046e5 0%, #7c3aed 50%, #c026d3 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    color: var(--white);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px);
    pointer-events: none;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    animation: fadeInUp 0.8s ease-out;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-section p {
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-section .btn {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.text-gradient {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #ef4444 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
    font-weight: 800;
    text-shadow: none;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.stats-row {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.stat-item {
    flex: 1;
    min-width: 120px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    cursor: default;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    text-shadow: none;
}

.stat-item p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.wave-bottom {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 1;
}

.wave-bottom svg {
    display: block;
    width: 100%;
    height: auto;
}

/* ====================================
   CARDS E COMPONENTES
   ==================================== */
.hover-lift {
    transition: var(--transition);
    position: relative;
}

.hover-lift::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl) !important;
}

.hover-lift:hover::before {
    opacity: 0.1;
}

.icon-box {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.icon-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    transition: var(--transition);
}

.icon-box:hover::before {
    animation: shimmer 1.5s ease-in-out;
}

.icon-box:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg), var(--glow-primary);
}

.feature-card {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
    background: linear-gradient(to bottom, var(--white) 0%, var(--gray-50) 100%);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(-5deg);
    box-shadow: var(--shadow-lg), var(--glow-primary);
}

/* Premium Card */
.premium-card {
    position: relative;
    border: 3px solid var(--secondary) !important;
    background: linear-gradient(to bottom, var(--white) 0%, #fffbeb 100%);
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(245, 158, 11, 0.1), 
        transparent
    );
    animation: shimmer 3s infinite;
}

.premium-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-2xl), 0 0 40px rgba(245, 158, 11, 0.3);
}

.ribbon {
    position: absolute;
    top: 20px;
    right: -5px;
    background: var(--secondary-gradient);
    color: var(--white);
    padding: 8px 20px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 1;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
    letter-spacing: 0.5px;
}

.ribbon::before {
    content: '';
    position: absolute;
    right: 0;
    bottom: -10px;
    border-left: 15px solid var(--secondary-dark);
    border-bottom: 10px solid transparent;
}

.ribbon::after {
    content: '⭐';
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
}

/* ====================================
   BOTÕES
   ==================================== */
.btn {
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.btn-warning {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: var(--white);
}

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

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-light {
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary);
}

/* ====================================
   BACKGROUNDS E GRADIENTES
   ==================================== */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.bg-light {
    background-color: var(--gray-100);
}

/* ====================================
   FORMULÁRIOS
   ==================================== */
.form-control,
.form-select {
    padding: 0.75rem;
    border-radius: 10px;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

/* ====================================
   ALERTAS E NOTIFICAÇÕES
   ==================================== */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.5rem;
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.2) 100%);
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.2) 100%);
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.2) 100%);
    color: #92400e;
    border-left: 4px solid var(--warning);
}

/* ====================================
   BADGES
   ==================================== */
.badge {
    padding: 0.5em 1em;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.85em;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-sm);
    animation: scaleIn 0.3s ease-out;
}

.badge.bg-primary {
    background: var(--primary-gradient) !important;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.badge.bg-success {
    background: var(--success-gradient) !important;
}

.badge.bg-danger {
    background: var(--danger-gradient) !important;
    animation: pulse 2s ease-in-out infinite;
}

.badge.bg-warning {
    background: var(--secondary-gradient) !important;
}

/* ====================================
   BACKGROUNDS E GRADIENTES
   ==================================== */
.bg-gradient-primary {
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.bg-gradient-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.1), 
        transparent
    );
    animation: shimmer 3s infinite;
}

.bg-light {
    background: linear-gradient(to bottom, var(--gray-50) 0%, var(--gray-100) 100%);
}

/* ====================================
   DASHBOARD ESPECÍFICO
   ==================================== */
.sidebar {
    min-height: calc(100vh - 56px);
    background: linear-gradient(to bottom, var(--gray-50) 0%, var(--gray-100) 100%);
    border-right: 2px solid var(--gray-200);
    animation: fadeInLeft 0.5s ease-out;
}

.sidebar-link {
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    border-radius: var(--radius-sm);
    margin: 0.25rem 0.5rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary-gradient);
    transform: scaleY(0);
    transition: var(--transition);
}

.sidebar-link:hover::before,
.sidebar-link.active::before {
    transform: scaleY(1);
}

.sidebar-link:hover,
.sidebar-link.active {
    background: linear-gradient(135deg, rgba(80, 70, 229, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    color: var(--primary);
    transform: translateX(5px);
}

.sidebar-link i {
    transition: var(--transition);
}

.sidebar-link:hover i,
.sidebar-link.active i {
    transform: scale(1.2);
}

.card-dashboard {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    background: var(--white);
    overflow: hidden;
    position: relative;
}

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

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

.card-dashboard:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-3px);
}

.stat-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    color: var(--white);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.5s ease-out;
    box-shadow: var(--shadow-lg);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.stat-card.primary {
    background: var(--primary-gradient);
}

.stat-card.success {
    background: var(--success-gradient);
}

.stat-card.warning {
    background: var(--secondary-gradient);
}

.stat-card.info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.stat-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

/* ====================================
   MODAIS
   ==================================== */
.modal-content {
    border-radius: var(--radius-xl);
    border: none;
    box-shadow: var(--shadow-2xl);
    animation: scaleIn 0.3s ease-out;
    overflow: hidden;
}

.modal-header {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    padding: 1.5rem;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: var(--transition);
}

.modal-header .btn-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border: none;
    padding: 1.5rem;
    background: var(--gray-50);
}

.modal-backdrop {
    backdrop-filter: blur(5px);
}

/* ====================================
   TABELAS
   ==================================== */
.table {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead {
    background: var(--primary-gradient);
    color: var(--white);
}

.table thead th {
    border: none;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 1rem;
}

.table tbody tr {
    transition: var(--transition);
    border-bottom: 1px solid var(--gray-200);
}

.table tbody tr:hover {
    background: linear-gradient(90deg, rgba(80, 70, 229, 0.05) 0%, transparent 100%);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

/* ====================================
   LOADING E SPINNERS
   ==================================== */
.spinner-border-custom {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
    border-color: var(--primary);
    border-right-color: transparent;
    animation: spin 0.75s linear infinite;
}

.loading-dots::after {
    content: '.';
    animation: dots 1.5s steps(3, end) infinite;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-300) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius);
}

/* ====================================
   UTILIDADES
   ==================================== */
.text-gradient-primary {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.text-gradient-secondary {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.shadow-custom {
    box-shadow: var(--shadow-xl);
}

.shadow-custom-hover:hover {
    box-shadow: var(--shadow-2xl);
}

.rounded-custom {
    border-radius: var(--radius-lg);
}

.backdrop-blur {
    backdrop-filter: blur(10px);
}

/* Efeito de Vidro (Glassmorphism) */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

/* Cards com borda animada */
.border-gradient {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
}

.border-gradient::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    background: var(--primary-gradient);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.border-gradient:hover::before {
    opacity: 1;
}

/* ====================================
   RESPONSIVIDADE
   ==================================== */
@media (max-width: 768px) {
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .stats-row {
        gap: 1rem;
    }
    
    .stat-item {
        min-width: 100%;
        padding: 1rem;
    }
    
    .stat-item h3 {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .hero-section {
        padding-top: 80px;
        min-height: auto;
    }
    
    .icon-box {
        width: 60px;
        height: 60px;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
    }
    
    .card-dashboard {
        margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .logo-placeholder {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
}

/* ====================================
   ACESSIBILIDADE - ALTO CONTRASTE
   ==================================== */
@media (prefers-contrast: high) {
    .btn,
    .card,
    .form-control {
        border: 2px solid currentColor;
    }
    
    .text-muted {
        color: var(--gray-700) !important;
    }
    
    .badge {
        border: 2px solid var(--white);
    }
}

/* ====================================
   ACESSIBILIDADE - REDUÇÃO DE MOVIMENTO
   ==================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ====================================
   MODO ESCURO (Preparado para implementação futura)
   ==================================== */
@media (prefers-color-scheme: dark) {
    /* Adicione estilos de modo escuro aqui quando necessário */
}

/* ====================================
   IMPRESSÃO
   ==================================== */
@media print {
    .navbar,
    .sidebar,
    .btn,
    .modal,
    .alert {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}