:root {
    --primary: #0056b3;
    --primary-light: #007bff;
    --secondary: #28a745;
    --secondary-dark: #218838;
    --light: #fff;
    --dark: #343a40;
    --gray: #6c757d;
    --border: #ced4da;
    --shadow: rgba(0,0,0,0.1);
    --background-light: #f8f9fa;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #fff;
    color: #333;
    padding: 10px;
    min-height: 100vh;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--light);
    border-radius: 12px;
    box-shadow: 0 5px 25px var(--shadow);
    overflow: hidden;
    border: 1px solid #e9ecef;
}
header {
    background: linear-gradient(120deg,var(--primary),var(--primary-light));
    color: var(--light);
    padding: 20px;
    text-align: center;
}
header h1 {
    font-size: clamp(1.5rem,4vw,2.2rem);
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}
header p {
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
    font-size: clamp(0.9rem,2.5vw,1.05rem);
    padding: 0 10px;
}
.content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 15px;
    background: var(--light);
}
.form-section,.result-section {
    background: var(--light);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 3px 10px var(--shadow);
    border: 1px solid #e9ecef;
}
.section-title {
    color: var(--primary);
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size: clamp(1.1rem,3vw,1.4rem);
    display: flex;
    align-items: center;
    gap: 10px;
}
.form-group {
    margin-bottom: 20px;
}
label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
    font-size: clamp(0.9rem,2vw,1rem);
}
input,select,button {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: clamp(0.9rem,2vw,1rem);
    transition: all 0.3s;
    background: var(--light);
}
input:focus,select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(0,123,255,0.25);
}
.campo {
    display: none;
    margin-bottom: 15px;
    padding: 15px;
    background: var(--background-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-light);
    box-shadow: 0 2px 5px var(--shadow);
    animation: fadeIn 0.4s;
}
@keyframes fadeIn {
    from {opacity: 0;transform: translateY(10px);}
    to {opacity: 1;transform: translateY(0);}
}
button {
    background: linear-gradient(to right,var(--primary),var(--primary-light));
    color: var(--light);
    border: none;
    cursor: pointer;
    font-size: clamp(1rem,2.5vw,1.1rem);
    font-weight: 600;
    padding: 14px;
    margin-top: 10px;
    transition: all 0.3s;
    letter-spacing: 0.5px;
    min-height: 48px;
}
button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.4);
}
button:active {
    transform: translateY(0);
}
.result-card {
    background: var(--light);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
    border: 1px solid var(--border);
}
.result-card h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: clamp(1rem,2.5vw,1.2rem);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}
.result-content {
    min-height: 60px;
    padding: 15px;
    background: var(--background-light);
    border-radius: 6px;
    border-left: 3px solid var(--primary);
    margin-bottom: 15px;
    word-break: break-word;
    font-size: clamp(0.85rem,2vw,1rem);
    line-height: 1.5;
}
.btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.copiar-btn {
    background: linear-gradient(to right,var(--secondary),var(--secondary-dark));
    width: 100%;
    padding: 10px 15px;
    font-size: clamp(0.85rem,2vw,0.95rem);
    min-width: auto;
}
.copiar-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(40,167,69,0.4);
}
.info-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    background: var(--gray);
    color: var(--light);
    border-radius: 50%;
    text-align: center;
    line-height: 20px;
    font-size: 0.75rem;
    cursor: help;
    margin-left: 5px;
    flex-shrink: 0;
}
footer {
    text-align: center;
    padding: 20px;
    color: var(--gray);
    font-size: clamp(0.8rem,2vw,0.9rem);
    border-top: 1px solid var(--border);
    margin-top: 20px;
    background: var(--light);
}
/* Responsive */
@media (min-width: 768px) {
    body {padding: 20px;background: var(--background-light);}
    .content {grid-template-columns: 1fr 1fr;padding: 20px;}
    .form-section,.result-section {padding: 25px;}
    .result-card {padding: 20px;margin-bottom: 25px;}
    .copiar-btn {width: auto;flex: 1;min-width: 120px;}
}
@media (min-width: 1024px) {
    .container {max-width: 1000px;}
    .content {gap: 25px;padding: 25px;}
    .btn-group {flex-wrap: nowrap;}
}
@media (max-width: 480px) {
    body {padding: 5px;}
    .content {padding: 10px;gap: 15px;}
    .form-section,.result-section {padding: 15px;}
    .result-card {padding: 12px;margin-bottom: 15px;}
    input,select,button {padding: 10px 12px;}
    .campo {padding: 12px;}
    .section-title,
    .result-card h3 {flex-direction: column;align-items: flex-start;gap: 5px;}
}
@media (max-height: 500px) and (orientation: landscape) {
    header {padding: 15px;}
    header h1 {font-size: 1.5rem;margin-bottom: 5px;}
    header p {font-size: 0.9rem;}
}
@media (hover: none) and (pointer: coarse) {
    button {min-height: 44px;font-size: 1rem;}
    input,select {min-height: 44px;}
    .info-icon {width: 24px;height: 24px;line-height: 24px;font-size: 0.8rem;}
}