/* ============================================
   SaaS Validador de Certificados - Estilos
   ============================================ */

/* === Reset & Base === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --primary: #1d44b8;
    --primary-dark: #152f80;
    --primary-light: #3a5fd4;
    --primary-glow: rgba(29, 68, 184, 0.15);
    --success: #059669;
    --success-light: #d1fae5;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 50px -12px rgba(0,0,0,0.25);
    --shadow-xl: 0 25px 60px -15px rgba(0,0,0,0.3);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* === Validação - Página Pública === */
.validacao-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.validacao-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
}

.validacao-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(29, 68, 184, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        linear-gradient(180deg, #eef2ff 0%, #f8fafc 40%, #ffffff 100%);
}

.validacao-bg::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 80%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(29, 68, 184, 0.04) 0%, transparent 70%);
    animation: floatBg 20s ease-in-out infinite;
}

@keyframes floatBg {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

/* Mesh decorativo */
.validacao-page .mesh-decoration {
    position: fixed;
    bottom: -20%;
    left: -10%;
    width: 60%;
    height: 60%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(29, 68, 184, 0.03) 0%, transparent 70%);
    animation: floatBg 25s ease-in-out infinite reverse;
    pointer-events: none;
}

/* === Card Principal === */
.validacao-card {
    width: 100%;
    max-width: 520px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(29, 68, 184, 0.05);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    animation: cardIn 0.6s ease-out;
}

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

.validacao-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light), #6366f1);
}

/* Logo da empresa */
.empresa-header {
    text-align: center;
    margin-bottom: 32px;
}

.empresa-logo {
    display: block;
    width: auto;
    max-width: 100%;
    height: 200px;
    object-fit: contain;
    margin: 0 auto 24px;
    border-radius: 12px;
    padding: 10px;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.empresa-logo:hover {
    transform: scale(1.02);
}

.empresa-logo-placeholder {
    width: 250px;
    height: 250px;
    margin: 0 auto 24px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 100px;
    font-weight: 800;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    box-shadow: var(--shadow);
}

.empresa-nome {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.validacao-titulo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.validacao-subtitulo {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--gray-500);
    line-height: 1.5;
}

/* === Formulário === */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: var(--transition);
    outline: none;
}

.form-input:hover {
    border-color: var(--gray-300);
}

.form-input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

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

/* Botão principal */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    width: 100%;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    box-shadow: 0 4px 15px rgba(29, 68, 184, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(29, 68, 184, 0.45);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-success { background: var(--success); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-outline {
    background: transparent;
    border: 2px solid var(--gray-200);
    color: var(--gray-600);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* === Resultados === */
.resultado-container {
    margin-top: 32px;
    animation: slideUp 0.5s ease-out;
}

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

.resultado-valido {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.05), rgba(5, 150, 105, 0.02));
    border: 2px solid rgba(5, 150, 105, 0.15);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.resultado-invalido {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.05), rgba(220, 38, 38, 0.02));
    border: 2px solid rgba(220, 38, 38, 0.15);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
}

.resultado-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.badge-valido {
    background: var(--success);
    color: var(--white);
}

.badge-invalido {
    background: var(--danger);
    color: var(--white);
}

.resultado-dados {
    display: grid;
    gap: 12px;
}

.resultado-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.resultado-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.resultado-valor {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-800);
    text-align: right;
}

.resultado-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    padding: 10px 20px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
}

.resultado-link:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* === Página do Certificado === */
.certificado-page {
    min-height: 100vh;
    padding: 40px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificado-card {
    width: 100%;
    max-width: 700px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: cardIn 0.6s ease-out;
}

.modal-content {
    background: var(--white);
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: modalIn 0.3s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

.certificado-card-header {
    padding: 40px 40px 24px;
    text-align: center;
    position: relative;
}

.certificado-card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 40px;
    right: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.certificado-card-body {
    padding: 32px 40px;
}

.certificado-card-footer {
    padding: 24px 40px;
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.certificado-titulo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.certificado-subtitulo {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.certificado-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.certificado-info {
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.certificado-info.full-width {
    grid-column: 1 / -1;
}

.certificado-info-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.certificado-info-valor {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--gray-800);
}

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

.qrcode-container img {
    border-radius: var(--radius);
    border: 2px solid var(--gray-100);
}

.qrcode-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 8px;
}

.certificado-codigo {
    font-family: monospace;
    font-size: 0.7rem;
    color: var(--gray-400);
    word-break: break-all;
}

/* Certificado inválido */
.certificado-invalido-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.certificado-invalido-card {
    text-align: center;
    max-width: 450px;
    padding: 48px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.certificado-invalido-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

/* === Alerta / Flash Messages === */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.alert-error {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning);
    border: 1px solid rgba(217, 119, 6, 0.2);
}

/* === Home Page === */
.home-page {
    min-height: 100vh;
}

.home-hero {
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.home-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(29, 68, 184, 0.08) 0%, transparent 60%),
        linear-gradient(180deg, #eef2ff 0%, #ffffff 100%);
    z-index: -1;
}

.home-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.home-hero h1 span {
    background: linear-gradient(135deg, var(--primary), #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-hero p {
    font-size: 1.15rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto 40px;
}

.empresas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.empresa-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.empresa-card .empresa-logo-placeholder {
    width: 64px;
    height: 64px;
    font-size: 24px;
    margin-bottom: 16px;
}

.empresa-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.empresa-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.empresa-card .btn {
    margin-top: auto;
}

/* === Footer === */
.footer {
    text-align: center;
    padding: 24px;
    color: var(--gray-400);
    font-size: 0.8rem;
    margin-top: 32px;
}

/* === Error 404 === */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 16px;
}

/* === Responsivo === */
@media (max-width: 640px) {
    .validacao-card {
        padding: 32px 24px;
        border-radius: var(--radius-lg);
    }

    .validacao-titulo {
        font-size: 1.25rem;
    }

    .certificado-card-header,
    .certificado-card-body {
        padding: 24px;
    }

    .certificado-card-footer {
        padding: 20px 24px;
        flex-direction: column;
        text-align: center;
    }

    .certificado-grid {
        grid-template-columns: 1fr;
    }

    .home-hero h1 {
        font-size: 2rem;
    }

    .empresas-grid {
        grid-template-columns: 1fr;
    }

    .resultado-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .resultado-valor {
        text-align: left;
    }
}