/* === BASE === */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* === CONTAINER PRINCIPAL === */
.container {
    background-color: #fff;
    color: #333;
    padding: 5vw;
    border-radius: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 90vw;
    max-width: 1000px;
    text-align: center;
    box-sizing: border-box;
}

/* === TÍTULO E RELÓGIO === */
h1 {
    margin-bottom: 20px;
    font-size: 3vw;
    color: #007bff;
    font-weight: bold;
}

.lbl-time.font-digit {
    font-size: 10vw;
    font-family: 'Courier New', Courier, monospace;
    margin: 10px 0;
    animation: pulse 1s infinite;
    color: #007bff;
}

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

/* === INFORMAÇÕES === */
.lbl-date {
    font-size: 3vw;
    color: #222;
    font-weight: bold;
    margin-top: 10px;
}

.location {
    font-size: 2.2vw;
    color: #00ff22;
    font-weight: bold;
    margin-top: 8px;
    display: none;
}

.weather {
    font-size: 2.4vw;
    color: #ff6600;
    font-weight: bold;
    margin-top: 8px;
    display: none;
}

/* === RODAPÉ === */
footer {
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
}

/* === BOTÃO DE TEMA === */
.theme-toggle {
    position: absolute;
    top: 15px;
    right: 20px;
    padding: 8px 14px;
    font-size: 14px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background-color: #ffffffaa;
    color: #333;
    z-index: 999;
    transition: background-color 0.3s ease;
}

body.dark-mode .theme-toggle {
    background-color: #333;
    color: #fff;
}

/* === TEMA CLARO === */
body.light-mode {
    background-color: #007bff;
    color: #fff;
}

body.light-mode .container {
    background-color: #fff;
    color: #333;
}

body.light-mode .font-digit,
body.light-mode h1 {
    color: #007bff;
}

body.light-mode .lbl-date {
    color: #555;
}

body.light-mode .location {
    color: #00ff22;
}

/* === TEMA ESCURO === */
body.dark-mode {
    background-color: #121212;
    color: #f5f5f5;
}

body.dark-mode .container {
    background-color: #1e1e1e;
    color: #f5f5f5;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
    border: 1px solid #333;
}

body.dark-mode .font-digit,
body.dark-mode h1 {
    color: #00bcd4;
}

body.dark-mode .lbl-date {
    color: #bbb;
}

body.dark-mode .location {
    color: #4caf50;
}