:root {
    --primary-red: #D32F2F;
    --primary-red-hover: #b71c1c;
    --primary-red-light: rgba(211, 47, 47, 0.1);
    --cor-fundo: #f3f4f6;
    --cor-texto: #1e293b;
    --cor-texto-suave: #64748b;
    --cor-borda: #cbd5e1;
    --cor-erro: #dc2626;
    --cor-erro-bg: #fef2f2;
    --cor-erro-border: #fca5a5;
    --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 -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-premium: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at center, #ffffff 0%, var(--cor-fundo) 100%);
    color: var(--cor-texto);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.tela-central {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background-color: #f1f5f9;
    background-image: 
        radial-gradient(rgba(211, 47, 47, 0.06) 1.5px, transparent 1.5px),
        radial-gradient(circle at center, rgba(255, 255, 255, 0.9) 0%, #f1f5f9 100%);
    background-size: 20px 20px, 100% 100%;
    background-position: 0 0, 0 0;
}

.cartao {
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: var(--shadow-premium);
    animation: surgir-cartao 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Container do Logo */
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0.25rem;
}

.logo-img {
    height: 44px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.04));
}

.cartao h1 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    text-align: center;
    color: var(--cor-texto);
    letter-spacing: -0.02em;
}

.subtitulo {
    margin: -0.75rem 0 0.5rem 0;
    color: var(--cor-texto-suave);
    font-size: 0.875rem;
    text-align: center;
    font-weight: 400;
}

.mensagem-erro {
    background: var(--cor-erro-bg);
    border: 1px solid var(--cor-erro-border);
    color: var(--cor-erro);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    animation: abanar 0.3s ease;
}

@keyframes abanar {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

.mensagem-erro i {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.campo-formulario {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: #94a3b8;
    font-size: 1.15rem;
    pointer-events: none;
    transition: color 0.2s ease;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.6rem;
    border: 1px solid var(--cor-borda);
    border-radius: 10px;
    font-size: 0.95rem;
    background-color: #f8fafc;
    color: var(--cor-texto);
    outline: none;
    transition: all 0.2s ease;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
    color: #94a3b8;
    opacity: 0.8;
}

input[type="text"]:focus,
input[type="password"]:focus {
    background-color: #ffffff;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 4px var(--primary-red-light);
}

input[type="text"]:focus + .input-icon,
input[type="password"]:focus + .input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--primary-red);
}

button {
    cursor: pointer;
    border: none;
    border-radius: 10px;
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    background: var(--primary-red);
    color: #ffffff;
    margin-top: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(211, 47, 47, 0.15), 0 2px 4px -2px rgba(211, 47, 47, 0.15);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

button:hover {
    background: var(--primary-red-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 12px -2px rgba(211, 47, 47, 0.25), 0 3px 6px -3px rgba(211, 47, 47, 0.25);
}

button:active {
    transform: translateY(0);
}

button i {
    font-size: 1.1rem;
    transition: transform 0.2s ease;
}

button:hover i {
    transform: translateX(2px);
}

.botao-secundario {
    background: transparent;
    color: var(--cor-texto);
    border: 1px solid var(--cor-borda);
    box-shadow: var(--shadow-sm);
}

.botao-secundario:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: var(--cor-texto);
    box-shadow: var(--shadow-md);
}

.pagina {
    max-width: 720px;
    margin: 0 auto;
    padding: 1.5rem;
}

.topo {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dica {
    color: var(--cor-texto-suave);
    font-size: 0.9rem;
}