body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.main-container {
    width: 90%;
    max-width: 400px;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.hidden { display: none !important; }

.input-group { margin-bottom: 1.5rem; text-align: left; }

input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 16px; /* Evita zoom en iOS */
}

textarea { height: 100px; resize: none; }

button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    margin-top: 10px;
}

.btn-confirm { background: #28a745; color: white; }
.btn-edit { background: #ffc107; color: black; }

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    width: 85%;
    max-width: 350px;
}