/* Reseteo básico y variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --fondo-primario: #0f172a;
    --fondo-secundario: #1e293b;
    --fondo-acento: #334155;
    --fondo-papel: #1e293b;
    --texto-primario: #e2e8f0;
    --texto-secundario: #94a3b8;
    --texto-enlace: #38bdf8;
    --borde: #334155;

    --cielo-500: #0ea5e9;
    --cielo-600: #0284c7;
    --cielo-100: #e0f2fe;
    --rosa-500: #ec4899;
    --verde-400: #4ade80;
    --verde-300: #86efac;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--fondo-primario);
    color: var(--texto-primario);
    /* Flexbox para centrar el contenido principal */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#cloudi {
    font-size: 1.5rem;
    line-height: 2rem;
    font-weight: 700;
    color: var(--texto-enlace);
}

/* Partículas de fondo */
#particles-js {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: -1;
}

/* Encabezado */
header {
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--borde);
    transition: background-color 0.3s ease, border-color 0.3s ease,
                color 0.3s ease, fill 0.3s ease, stroke 0.3s ease,
                opacity 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease,
                filter 0.3s ease, -webkit-backdrop-filter 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header a#inicio button {
    background-color: transparent;
    color: var(--texto-enlace);
    border: 2px solid var(--texto-enlace);
    padding: 0.5rem 1rem;
    border-radius: 9999px; /* Botón redondeado */
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

header a#inicio button:hover {
    background-color: var(--texto-enlace);
    color: var(--fondo-primario);
}

/* Contenido principal */
main {
    flex-grow: 1; /* Para que ocupe todo el espacio disponible */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Caja de inicio de sesión */
#login {
    background-color: var(--fondo-secundario);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

#login h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--texto-primario);
}

#login form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#login label {
    text-align: left;
    font-weight: bold;
    color: var(--texto-secundario);
}

#login input[type="text"],
#login input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--borde);
    background-color: var(--fondo-papel);
    color: var(--texto-primario);
    border-radius: 0.5rem;
    outline: none;
    transition: border-color 0.3s ease;
}

#login input[type="text"]:focus,
#login input[type="password"]:focus {
    border-color: var(--texto-enlace);
}

#login form button[type="submit"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    background-color: var(--texto-enlace);
    color: var(--fondo-primario);
    font-weight: bold;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
}

#login form button[type="submit"]:hover {
    background-color: var(--cielo-600);
}

/* Pie de página */
footer {
    text-align: center;
    padding: 1rem;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--borde);
    transition: background-color 0.3s ease, border-color 0.3s ease,
                color 0.3s ease, fill 0.3s ease, stroke 0.3s ease,
                opacity 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease,
                filter 0.3s ease, -webkit-backdrop-filter 0.3s ease;
    color: var(--texto-secundario);
    border-top: 1px solid var(--borde);
    margin-top: auto; /* Para que siempre esté en la parte inferior */
}

.password-container {
    position: relative;
    display: flex;
    align-items: center;
}

.password-container input {
    flex: 1;
    padding-right: 2.5rem; /* espacio para el icono */
}

.eye-icon {
    position: absolute;
    right: 1rem;
    cursor: pointer;
    color: var(--texto-secundario);
    display: flex;
    align-items: center;
    justify-content: center;
}