:root {
    --bg-color: #F4F7F6;
    --card-bg: #FFFFFF;
    --text-main: #2D3748;
    --text-muted: #718096;
    --primary: #FF7F50; /* Coral - Amigável e quente */
    --primary-hover: #FF6B35;
    --secondary: #38B2AC; /* Teal/Verde-água */
    --border-radius: 20px;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    min-height: 100vh;
}

h1, h2, h3 {
    color: var(--text-main);
    margin-bottom: 1rem;
    font-weight: 700;
}

p {
    color: var(--text-muted);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 500px;
    background-color: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

nav {
    display: flex;
    gap: 20px;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

nav a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    transition: 0.3s;
}

nav a:hover {
    background-color: #E6FFFA;
    color: #2C7A7B;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 15px;
}

input {
    padding: 14px;
    border-radius: 10px;
    border: 2px solid #E2E8F0;
    background-color: #F8FAFC;
    color: var(--text-main);
    font-size: 1rem;
    transition: 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--secondary);
    background-color: #FFFFFF;
}

button {
    background-color: var(--primary);
    color: #FFFFFF;
    font-weight: bold;
    font-size: 1rem;
    padding: 14px;
    border-radius: 10px;
    cursor: pointer;
    border: none;
    transition: 0.3s;
    box-shadow: 0 4px 6px rgba(255, 127, 80, 0.2);
}

button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.alert {
    padding: 12px;
    background-color: #FFF5F5;
    color: #C53030;
    border-radius: 10px;
    border-left: 5px solid #FC8181;
    margin-bottom: 20px;
    font-weight: 500;
    font-size: 0.95rem;
}

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

.pet-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.info-box {
    text-align: left;
    background: #F8FAFC;
    padding: 20px;
    border-radius: 15px;
    border: 1px solid #E2E8F0;
    margin-top: 20px;
}

.info-box p {
    margin-bottom: 8px;
    color: var(--text-main);
}

.info-box strong {
    color: var(--secondary);
}

/* Estilos para o leitor de QR Code */
#reader {
    width: 100%;
    border-radius: 15px;
    overflow: hidden;
    border: 2px dashed var(--secondary) !important;
    margin-bottom: 20px;
}
#reader button {
    background-color: var(--secondary);
    padding: 8px 15px;
    font-size: 0.9rem;
    margin: 10px 5px;
    box-shadow: none;
}