/**
 * modern-gradients.css
 * Sistema de cores modernas com gradientes para o projeto
 *
 * Inclui:
 * - Paleta de cores moderna
 * - Gradientes personalizados
 * - Classes utilitárias
 * - Animações suaves
 * - Componentes estilizados
 */

/* ============================================
   VARIÁVEIS CSS - CORES MODERNAS
   ============================================ */
:root {
    /* Primary Colors - Blue to Purple */
    --gradient-primary-start: #3b82f6;
    --gradient-primary-end: #8b5cf6;

    /* Success Colors - Green to Teal */
    --gradient-success-start: #10b981;
    --gradient-success-end: #14b8a6;

    /* Warning Colors - Orange to Red */
    --gradient-warning-start: #f59e0b;
    --gradient-warning-end: #ef4444;

    /* Info Colors - Cyan to Blue */
    --gradient-info-start: #06b6d4;
    --gradient-info-end: #3b82f6;

    /* Dark Colors - Gray gradients */
    --gradient-dark-start: #1f2937;
    --gradient-dark-end: #111827;

    /* Background gradients */
    --bg-gradient-light: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    --bg-gradient-primary: linear-gradient(135deg, var(--gradient-primary-start) 0%, var(--gradient-primary-end) 100%);
    --bg-gradient-success: linear-gradient(135deg, var(--gradient-success-start) 0%, var(--gradient-success-end) 100%);
    --bg-gradient-warning: linear-gradient(135deg, var(--gradient-warning-start) 0%, var(--gradient-warning-end) 100%);
    --bg-gradient-info: linear-gradient(135deg, var(--gradient-info-start) 0%, var(--gradient-info-end) 100%);
    --bg-gradient-dark: linear-gradient(135deg, var(--gradient-dark-start) 0%, var(--gradient-dark-end) 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* ============================================
   CLASSES DE GRADIENTE
   ============================================ */

/* Backgrounds com gradiente */
.bg-gradient-primary {
    background: var(--bg-gradient-primary) !important;
    color: white !important;
}

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

.bg-gradient-warning {
    background: var(--bg-gradient-warning) !important;
    color: white !important;
}

.bg-gradient-info {
    background: var(--bg-gradient-info) !important;
    color: white !important;
}

.bg-gradient-dark {
    background: var(--bg-gradient-dark) !important;
    color: white !important;
}

/* Textos com gradiente */
.text-gradient-primary {
    background: var(--bg-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-success {
    background: var(--bg-gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   CARDS MODERNOS
   ============================================ */
.card-modern {
    border: none;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    overflow: hidden;
}

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

.card-modern .card-header {
    background: var(--bg-gradient-primary);
    color: white;
    border: none;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-modern.card-success .card-header {
    background: var(--bg-gradient-success);
}

.card-modern.card-warning .card-header {
    background: var(--bg-gradient-warning);
}

.card-modern.card-info .card-header {
    background: var(--bg-gradient-info);
}

/* ============================================
   BOTÕES MODERNOS
   ============================================ */
.btn-gradient-primary {
    background: var(--bg-gradient-primary);
    border: none;
    color: white;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-gradient-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.9;
    color: white;
}

.btn-gradient-success {
    background: var(--bg-gradient-success);
    border: none;
    color: white;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-gradient-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.9;
    color: white;
}

.btn-gradient-warning {
    background: var(--bg-gradient-warning);
    border: none;
    color: white;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-gradient-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.9;
    color: white;
}

.btn-gradient-info {
    background: var(--bg-gradient-info);
    border: none;
    color: white;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-gradient-info:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.9;
    color: white;
}

/* ============================================
   BADGES MODERNOS
   ============================================ */
.badge-gradient-primary {
    background: var(--bg-gradient-primary);
    color: white;
    border: none;
}

.badge-gradient-success {
    background: var(--bg-gradient-success);
    color: white;
    border: none;
}

.badge-gradient-warning {
    background: var(--bg-gradient-warning);
    color: white;
    border: none;
}

.badge-gradient-info {
    background: var(--bg-gradient-info);
    color: white;
    border: none;
}

/* ============================================
   ANIMAÇÕES MELHORADAS - MAIS SUAVES
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-15px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

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

/* Animações principais - mais suaves com easing melhorado */
.fade-in {
    animation: fadeInSmooth 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    will-change: opacity, transform;
    backface-visibility: hidden;
}

.slide-in {
    animation: slideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    will-change: opacity, transform;
    backface-visibility: hidden;
}

.slide-in-up {
    animation: slideInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    will-change: opacity, transform;
    backface-visibility: hidden;
}

.scale-in {
    animation: scaleIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    will-change: opacity, transform;
    backface-visibility: hidden;
}

/* Animação escalonada para cards (stagger effect) */
.fade-in-stagger {
    opacity: 0;
    animation: fadeInSmooth 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    will-change: opacity, transform;
    backface-visibility: hidden;
}

/* Delay progressivo para múltiplos elementos */
.fade-in-stagger:nth-child(1) { animation-delay: 0.05s; }
.fade-in-stagger:nth-child(2) { animation-delay: 0.1s; }
.fade-in-stagger:nth-child(3) { animation-delay: 0.15s; }
.fade-in-stagger:nth-child(4) { animation-delay: 0.2s; }
.fade-in-stagger:nth-child(5) { animation-delay: 0.25s; }
.fade-in-stagger:nth-child(6) { animation-delay: 0.3s; }
.fade-in-stagger:nth-child(7) { animation-delay: 0.35s; }
.fade-in-stagger:nth-child(8) { animation-delay: 0.4s; }
.fade-in-stagger:nth-child(9) { animation-delay: 0.45s; }
.fade-in-stagger:nth-child(10) { animation-delay: 0.5s; }
.fade-in-stagger:nth-child(n+11) { animation-delay: 0.55s; }

/* Respeitar preferência de movimento reduzido (acessibilidade) */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .slide-in,
    .slide-in-up,
    .scale-in,
    .fade-in-stagger {
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    .card-brand-accent,
    .service-card,
    .stat-card {
        transition: none;
    }
    
    .card-brand-accent:hover,
    .service-card:hover,
    .stat-card:hover {
        transform: none;
    }
}

/* ============================================
   COMPONENTES ESPECÍFICOS
   ============================================ */

/* Header de página com gradiente */
.page-header-gradient {
    background: var(--bg-gradient-primary);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
    border-radius: 0 0 1rem 1rem;
    box-shadow: var(--shadow-lg);
}

/* Tabelas modernas */
.table-modern {
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.table-modern tbody tr {
    transition: var(--transition-fast);
}

.table-modern tbody tr:hover {
    background-color: #f3f4f6;
    transform: scale(1.01);
}

/* Cards de estatísticas */
.stat-card {
    border-radius: 1rem;
    padding: 1.5rem;
    background: white;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    will-change: transform, box-shadow;
    backface-visibility: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient-primary);
}

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* Otimização para cards de serviço */
.card-brand-accent,
.service-card {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, box-shadow;
    backface-visibility: hidden;
}

.card-brand-accent:hover,
.service-card:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

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

.stat-card.stat-info::before {
    background: var(--bg-gradient-info);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--bg-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card.stat-success .stat-value {
    background: var(--bg-gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card.stat-warning .stat-value {
    background: var(--bg-gradient-warning);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Formulários modernos */
.form-modern .form-control {
    border-radius: 0.5rem;
    border: 2px solid #e5e7eb;
    padding: 0.75rem 1rem;
    transition: var(--transition-fast);
}

.form-modern .form-control:focus {
    border-color: var(--gradient-primary-start);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-modern .form-label {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

/* Loading states */
.loading-skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Empty states */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.empty-state-description {
    color: #9ca3af;
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 768px) {
    .card-modern {
        margin-bottom: 1rem;
    }

    .stat-card {
        margin-bottom: 1rem;
    }

    .page-header-gradient {
        padding: 1rem 0;
    }
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.shadow-soft {
    box-shadow: var(--shadow-md);
}

.shadow-hover:hover {
    box-shadow: var(--shadow-lg);
}

.rounded-modern {
    border-radius: 1rem;
}

.transition-smooth {
    transition: var(--transition-normal);
}