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/* --- ESTILOS GLOBALES Y VARIABLES DE TEMA                 --- */
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:root {
    --bg-color-dark: #121212;
    --surface-color-dark: #1e1e1e;
    --primary-color-dark: #bb86fc;
    --text-color-dark: #e0e0e0;
    --border-color-dark: #333;
    --bg-color-light: #f5f5ff;
    --surface-color-light: #ffffff;
    --primary-color-light: #007bff;
    --text-color-light: #212529;
    --border-color-light: #dee2e6;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
[data-theme="dark"] {
    --bg-color: var(--bg-color-dark);
    --surface-color: var(--surface-color-dark);
    --primary-color: var(--primary-color-dark);
    --text-color: var(--text-color-dark);
    --border-color: var(--border-color-dark);
}
[data-theme="light"] {
    --bg-color: var(--bg-color-light);
    --surface-color: var(--surface-color-light);
    --primary-color: var(--primary-color-light);
    --text-color: var(--text-color-light);
    --border-color: var(--border-color-light);
}
body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--box-shadow);
}
.logo { max-height: 50px; }
h1 { font-size: 1.5rem; margin: 0; color: var(--primary-color); text-align: center; }
.theme-button { background: none; border: none; color: var(--text-color); font-size: 1.5rem; cursor: pointer; }
.main-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 2rem;
}
footer { text-align: center; padding: 1rem; background-color: var(--surface-color); border-top: 1px solid var(--border-color); width: 100%; margin-top: auto; }

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/* --- ESTILOS HERRAMIENTA DE CONTRASEÑAS                   --- */
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.tool-layout { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 2rem; width: 100%; max-width: 1100px; justify-content: center; }
.generator-card { flex: 2; min-width: 450px; background-color: var(--surface-color); padding: 2rem; border-radius: var(--border-radius); box-shadow: var(--box-shadow); border: 1px solid var(--border-color); }
.history-card { flex: 1; min-width: 300px; background-color: var(--surface-color); padding: 1.5rem; border-radius: var(--border-radius); box-shadow: var(--box-shadow); border: 1px solid var(--border-color); align-self: stretch; }
.password-display-container { background-color: var(--bg-color); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 1rem; margin-bottom: 1rem; display: flex; align-items: center; justify-content: space-between; font-size: 1.25rem; word-break: break-all; font-family: 'Courier New', Courier, monospace; }
.copy-btn { background: none; border: none; color: var(--text-color); cursor: pointer; font-size: 1.5rem; }
.copy-btn.copied { color: #28a745; }
.strength-meter-container { margin-bottom: 1.5rem; }
.strength-bar { height: 10px; width: 0%; background-color: #ccc; border-radius: 5px; transition: width 0.3s ease-in-out, background-color 0.3s ease-in-out; }
.strength-text { display: block; text-align: right; font-size: 0.9rem; margin-top: 0.25rem; font-weight: bold; transition: color 0.3s ease-in-out; }
.strength-bar.weak { width: 25%; background-color: #dc3545; } .strength-bar.medium { width: 50%; background-color: #fd7e14; } .strength-bar.strong { width: 75%; background-color: #ffc107; } .strength-bar.very-strong { width: 100%; background-color: #28a745; }
.strength-text.weak { color: #dc3545; } .strength-text.medium { color: #fd7e14; } .strength-text.strong { color: #ffc107; } .strength-text.very-strong { color: #28a745; }
.form-group { margin-bottom: 1.5rem; }
label { display: block; margin-bottom: 0.5rem; font-weight: bold; }
.length-slider-container .slider-wrapper { display: flex; align-items: center; gap: 1rem; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; background: var(--border-color); border-radius: 5px; outline: none; opacity: 0.7; transition: opacity .2s; }
input[type="range"]:hover { opacity: 1; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 24px; height: 24px; background: var(--primary-color); cursor: pointer; border-radius: 50%; }
input[type="range"]::-moz-range-thumb { width: 24px; height: 24px; background: var(--primary-color); cursor: pointer; border-radius: 50%; }
#length-value { font-size: 1.2rem; font-weight: bold; color: var(--primary-color); min-width: 25px; text-align: center; }
.options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-bottom: 2rem; }
.option { display: flex; align-items: center; gap: 0.75rem; }
.option-full-width { grid-column: 1 / -1; }
input[type="checkbox"] { width: 1.3em; height: 1.3em; accent-color: var(--primary-color); }
.generate-button { width: 100%; padding: 0.8rem; font-size: 1.2rem; font-weight: bold; color: #fff; background-color: var(--primary-color); border: none; border-radius: 4px; cursor: pointer; transition: background-color 0.2s; }
.generate-button:hover { opacity: 0.9; }

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/* --- ESTILOS HERRAMIENTA DE IP PÚBLICA (CON ÚLTIMOS CAMBIOS) --- */
/* --- ###################################################### --- */
.info-card { background-color: var(--surface-color); padding: 2rem 2.5rem; border-radius: var(--border-radius); box-shadow: var(--box-shadow); border: 1px solid var(--border-color); text-align: center; max-width: 500px; width: 100%; transition: background-color 0.3s, border-color 0.3s; }
.info-card h2 { margin-top: 0; color: var(--text-color); font-size: 1.2rem; font-weight: normal; }
.ip-display-container { background-color: var(--bg-color); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 1rem; margin: 1rem 0; display: flex; align-items: center; justify-content: center; gap: 1rem; font-size: 1.8rem; font-family: 'Courier New', Courier, monospace; font-weight: bold; word-break: break-all; }
.ip-display-container .fa-spinner { font-size: 1.5rem; }
.isp-info-container { margin-top: 2rem; margin-bottom: 2rem; text-align: center; border-top: 1px solid var(--border-color); padding-top: 1.5rem; }
.isp-info-container h3 { margin: 0 0 0.5rem 0; font-size: 1rem; color: var(--primary-color); }
/* REEMPLAZA la regla existente por esta para forzar el color azul */
.isp-info-container p {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.6rem 1.2rem;
    background-color: #007bff; /* <-- CAMBIO: Azul brillante, siempre */
    color: #ffffff;
    font-size: 1rem;
    font-weight: bold;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.info-card .generate-button { display: flex; align-items: center; justify-content: center; gap: 0.75rem; }

/* Efectos de actualización para la tarjeta de IP */
.info-card.refreshing { opacity: 0.6; filter: blur(3px); transition: all 0.3s ease-in-out; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.generate-button.loading .fa-arrows-rotate { animation: spin 1s linear infinite; }


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/* --- SECCIÓN DE RESPONSIVIDAD (Media Queries)             --- */
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@media (max-width: 900px) {
    .tool-layout { flex-direction: column; align-items: center; }
    .generator-card, .history-card { width: 100%; max-width: 500px; flex: none; min-width: initial; }
}

@media (max-width: 550px) {
    .main-container { padding: 1rem; }
    header { display: grid; grid-template-columns: auto 1fr auto; align-items: center; padding: 0.75rem 1rem; gap: 1rem; }
    .logo { grid-column: 1 / 2; justify-self: start; max-height: 40px; }
    h1 { grid-column: 2 / 3; font-size: 1.15rem; text-align: center; margin: 0; padding: 0; }
    .theme-button { grid-column: 3 / 4; justify-self: end; font-size: 1.4rem; }
    .generator-card, .history-card, .info-card { padding: 1.5rem; }
    .options { grid-template-columns: 1fr; }
    .password-display-container { font-size: 1.1rem; flex-wrap: wrap; }
    .ip-display-container { font-size: 1.2rem; }
}