:root {
    --primary-color: #4a90e2;
    --bg-color: #f4f7f9;
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-color: #333;
    --text-light: #666;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

header h1 {
    color: var(--primary-color);
    font-weight: 300;
    margin-bottom: 30px;
}

#main {
    width: 100%;
    max-width: 500px;
}

.form-item {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

select {
    flex-grow: 1;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 16px;
}

button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

button:hover {
    background: #357abd;
    transform: rotate(30deg);
}

.esp-info {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,0.3);
    animation: fadeIn 0.5s ease-out;
}

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

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spinning {
    animation: spin 1s linear infinite;
}

@keyframes updateFlash {
    0% { background-color: rgba(74, 144, 226, 0.3); }
    100% { background-color: transparent; }
}

.update-flash {
    animation: updateFlash 0.8s ease-out;
}

.header-card {
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
    padding-bottom: 10px;
}

.header-card h2 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.updated-at {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 5px;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.stat-box {
    background: rgba(240, 244, 248, 0.5);
    padding: 15px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-icon {
    font-size: 2rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-weight: 600;
    font-size: 0.95rem;
}

.stat-date {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 2px;
}

/* Colores dinámicos para iconos */
.status-good { color: #4caf50; }
.status-regular { color: #ff9800; }
.status-bad { color: #f44336; }

#login-screen {
    width: 100%;
    max-width: 400px;
    margin-top: 50px;
}

.login-container {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.login-container h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.login-container form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-container .form-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    box-shadow: none;
    background: transparent;
}

.login-container input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 16px;
    box-sizing: border-box;
}

.login-container button {
    width: 100%;
    border-radius: 8px;
    height: 45px;
    margin-top: 10px;
}

.login-container button:hover {
    transform: none;
}

.material-symbols-outlined {
    font-variation-settings:
            'FILL' 1,
            'wght' 400,
            'GRAD' 0,
            'opsz' 40
}