/* Estilos para Generador de QR Galáctico */
:root {
    --color-primary: #ff2a6d;
    --color-primary-dark: #d81557;
    --color-secondary: #05d9e8;
    --color-tertiary: #005678;
    --color-bg: #01012b;
    --color-bg-dark: #010124;
    --color-text: #ffffff;
    --color-text-light: #d1d1e0;
    --color-border: #2d2d5b;
    --color-success: #00ff9d;
    --color-warning: #ffdc6a;
    --color-danger: #ff5757;
    --color-info: #05d9e8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(255, 42, 109, 0.5);
}

header p {
    font-size: 1.2rem;
    color: var(--color-text-light);
}

.card {
    background-color: rgba(1, 1, 43, 0.8);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    margin-bottom: 30px;
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.card-header {
    background-color: rgba(1, 1, 36, 0.9);
    padding: 15px 20px;
    border-bottom: 1px solid var(--color-border);
}

.card-header h2 {
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.card-body {
    padding: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-text-light);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background-color: rgba(1, 1, 36, 0.5);
    color: var(--color-text);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="url"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(255, 42, 109, 0.3);
}

.form-help {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 5px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 42, 109, 0.4);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-bg-dark);
}

.btn-secondary:hover {
    background-color: #04b8c5;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(5, 217, 232, 0.4);
}

.btn-block {
    display: block;
    width: 100%;
}

.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
    padding: 20px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px dashed var(--color-border);
    min-height: 300px;
}

.qr-code {
    margin-bottom: 20px;
    padding: 15px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.qr-code img {
    display: block;
    max-width: 100%;
    height: auto;
}

.qr-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.hidden {
    display: none;
}

.mensaje {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

.mensaje.exito {
    background-color: rgba(0, 255, 157, 0.2);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.mensaje.error {
    background-color: rgba(255, 87, 87, 0.2);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
}

.mensaje.info {
    background-color: rgba(5, 217, 232, 0.2);
    border: 1px solid var(--color-info);
    color: var(--color-info);
}

.loading {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s ease-in-out infinite;
}

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

.footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
}

/* Estilos para estrellas */
.star {
    position: absolute;
    background-color: white;
    border-radius: 50%;
    animation: twinkle var(--duration) ease-in-out infinite;
    opacity: var(--opacity);
}

@keyframes twinkle {
    0% { opacity: var(--opacity); }
    50% { opacity: 0.2; }
    100% { opacity: var(--opacity); }
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .qr-actions {
        flex-direction: column;
    }
    
    .btn {
        padding: 10px 20px;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 42, 109, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(255, 42, 109, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 42, 109, 0); }
}

.btn-tertiary {
    background-color: var(--color-tertiary);
    color: white;
}

.btn-tertiary:hover {
    background-color: #00405a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 86, 120, 0.4);
}