:root {
    --azul-blockbuster: #000000;
    --amarillo-blockbuster: #ff7a00;
    --blanco: #ffffff;
    --gris-fondo: #eaeaea;
    --azul-oscuro: #111111;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--gris-fondo);
    color: var(--azul-oscuro);
    margin: 0;
    padding: 0;
    text-align: center;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

h1, h2, h3 {
    color: var(--azul-blockbuster);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    transition: 0.3s ease-in-out;
}

h1:hover, h2:hover, h3:hover {
    transform: scale(1.03);
    text-shadow: 2px 2px 10px rgba(0,0,0,0.45);
}

h1 {
    background-color: var(--amarillo-blockbuster);
    color: var(--azul-oscuro);
    padding: 15px 0;
    border-bottom: 4px solid var(--azul-blockbuster);
    margin-bottom: 30px;
}

table {
    margin: 0 auto;
    border-collapse: collapse;
    width: 80%;
    background-color: var(--blanco);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.25);
    border-radius: 10px;
    overflow: hidden;
    animation: tableDrop 0.6s ease-out;
}

@keyframes tableDrop {
    from { opacity: 0; transform: translateY(-40px); }
    to { opacity: 1; transform: translateY(0); }
}

th {
    background-color: var(--azul-blockbuster);
    color: var(--amarillo-blockbuster);
    padding: 10px;
    font-size: 1.1em;
}

td {
    padding: 8px;
    border-bottom: 1px solid #ddd;
    transition: 0.2s ease;
}

td:hover {
    background-color: rgba(255, 122, 0, 0.25);
    transform: scale(1.05);
}

tr:nth-child(even) {
    background-color: #f7f7f7;
}

tr:hover {
    background-color: #ffe3c2;
    transform: scale(1.01);
    transition: 0.15s ease-in-out;
}

form {
    background-color: var(--blanco);
    display: inline-block;
    padding: 20px 30px;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.25);
    text-align: left;
    margin-top: 20px;
    transition: 0.3s;
}

form:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 22px rgba(0,0,0,0.35);
}

label {
    font-weight: bold;
    color: var(--azul-oscuro);
    position: relative;
}

label::after {
    content: "★";
    position: absolute;
    right: -18px;
    top: 0;
    opacity: 0;
    color: var(--amarillo-blockbuster);
    transition: 0.3s ease;
}

label:hover::after {
    opacity: 1;
    transform: scale(1.3);
}

input[type="text"],
input[type="date"],
input[type="number"],
input[type="email"] {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid var(--azul-blockbuster);
    border-radius: 5px;
    font-size: 1em;
    transition: 0.25s ease-in-out;
}

input[type="text"]:focus,
input[type="date"]:focus,
input[type="number"]:focus,
input[type="email"]:focus {
    border-color: var(--amarillo-blockbuster);
    box-shadow: 0 0 10px rgba(255,122,0,0.7);
    transform: scale(1.02);
}

input[type="submit"] {
    background-color: var(--azul-blockbuster);
    color: var(--amarillo-blockbuster);
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
    display: block;
    margin: 15px auto 0;
    position: relative;
    overflow: hidden;
}

input[type="submit"]:hover {
    background-color: var(--amarillo-blockbuster);
    color: var(--azul-blockbuster);
}

input[type="submit"]:hover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.35);
    animation: flash 0.5s forwards;
}

@keyframes flash {
    from { opacity: 1; }
    to { opacity: 0; }
}

nav {
    background-color: var(--azul-blockbuster);
    padding: 10px 0;
    margin-top: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    position: sticky;
    top: 0;
    z-index: 10;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    display: inline-block;
    margin: 0 15px;
}

nav a {
    text-decoration: none;
    color: var(--amarillo-blockbuster);
    font-weight: bold;
    font-size: 1.1em;
    transition: 0.3s ease;
    position: relative;
}

nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    height: 3px;
    width: 0%;
    background-color: var(--amarillo-blockbuster);
    transition: 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: var(--blanco);
    text-shadow: 0 0 9px var(--amarillo-blockbuster);
}

footer {
    background-color: var(--azul-blockbuster);
    color: var(--amarillo-blockbuster);
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
    font-size: 0.9em;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.3);
}

button, .btn {
    background-color: var(--amarillo-blockbuster);
    color: var(--azul-blockbuster);
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
    font-weight: bold;
    position: relative;
    overflow: hidden;
}

button:hover, .btn:hover {
    background-color: var(--azul-blockbuster);
    color: var(--amarillo-blockbuster);
}

button:hover::after, .btn:hover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.3);
    animation: flash 0.5s forwards;
}

.login-page {
    background-color: var(--azul-blockbuster);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-image: linear-gradient(135deg,
        var(--azul-blockbuster) 60%,
        var(--amarillo-blockbuster) 40%
    );
    background-size: 400% 400%;
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.login-form {
    background-color: var(--blanco);
    padding: 40px 50px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0,0,0,0.45);
    text-align: center;
    width: 300px;
    animation: loginPop 0.6s ease-out;
}

@keyframes loginPop {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.login-form h2 {
    color: var(--azul-blockbuster);
    margin-bottom: 20px;
    border-bottom: 3px solid var(--amarillo-blockbuster);
    padding-bottom: 10px;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid var(--azul-blockbuster);
    border-radius: 5px;
    font-size: 1em;
    transition: 0.25s ease;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
    border-color: var(--amarillo-blockbuster);
    box-shadow: 0 0 10px rgba(255,122,0,0.7);
    transform: scale(1.02);
}

.login-form input[type="submit"] {
    width: 100%;
    background-color: var(--amarillo-blockbuster);
    color: var(--azul-blockbuster);
    border: none;
    padding: 10px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    font-size: 1.1em;
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.login-form input[type="submit"]:hover {
    background-color: var(--azul-blockbuster);
    color: var(--amarillo-blockbuster);
}

.login-form input[type="submit"]:hover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.35);
    animation: flash 0.5s forwards;
}