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

:root {
    --primary-black: #1a1a1a;
    --deep-black: #000000;
    --silver: #C0C0C0;
    --light-silver: #E5E5E5;
    --dark-silver: #808080;
    --purple: #6A0DAD;
    --light-purple: #9966CC;
    --dark-purple: #4B0082;
    --white: #ffffff;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, var(--light-silver) 0%, var(--white) 100%);
    min-height: 100vh;
}

/* Navegación */
.navbar {
    background: linear-gradient(90deg, var(--primary-black), var(--deep-black));
    padding: 0.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(106, 13, 173, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-options {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-link:hover {
    background: var(--purple);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(106, 13, 173, 0.4);
}

 /* Main Content */
.main-content {
    margin-top: 80px;
    padding: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-title {
    font-size: 2.5rem;
    color: var(--primary-black);
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(106, 13, 173, 0.1);
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--dark-silver);
    margin-bottom: 2rem;
}

/* Formulario general */
.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--primary-black);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.form-group input, .form-group select {
    padding: 12px;
    border: 2px solid var(--silver);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--purple);
    box-shadow: 0 0 10px rgba(106, 13, 173, 0.3);
}

.search-btn {
    background: linear-gradient(45deg, var(--purple), var(--light-purple));
    color: var(--white);
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(106, 13, 173, 0.3);
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(106, 13, 173, 0.5);
    background: linear-gradient(45deg, var(--dark-purple), var(--purple));
}

.search-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .search-form {
        grid-template-columns: 1fr;
    }
}

/* Estilos específicos para login */
.login-container {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    margin-top: 80px;
}

.login-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(106, 13, 173, 0.2);
    width: 100%;
    max-width: 450px;
    border: 2px solid var(--light-silver);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--purple), var(--light-purple));
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-title {
    font-size: 2.5rem;
    color: var(--primary-black);
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.login-subtitle {
    color: var(--dark-silver);
    font-size: 1.1rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    color: var(--primary-black);
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input {
    padding: 15px;
    border: 2px solid var(--silver);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus {
    outline: none;
    border-color: var(--purple);
    box-shadow: 0 0 15px rgba(106, 13, 173, 0.2);
    transform: translateY(-2px);
}

.form-group input:valid {
    border-color: var(--light-purple);
}
.password-wrapper {
    display: flex;
    flex-direction: column;
}

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

.password-field input {
    flex: 1;
    padding-right: 40px; /* para dejar espacio al botón */
    height: 40px;
    box-sizing: border-box;
}

.password-toggle {
    background: none;
    border: none;
    cursor: pointer;
    position: absolute;
    right: 10px;
    top: 60px;
    transform: translateY(-50%);
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.remember-me input {
    width: 18px;
    height: 18px;
    accent-color: var(--purple);
}

.remember-me label {
    color: var(--primary-black);
    font-size: 0.9rem;
    cursor: pointer;
}

.login-btn {
    background: linear-gradient(45deg, var(--purple), var(--light-purple));
    color: var(--white);
    border: none;
    padding: 18px;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(106, 13, 173, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(106, 13, 173, 0.4);
    background: linear-gradient(45deg, var(--dark-purple), var(--purple));
}

.login-btn:active {
    transform: translateY(-1px);
}

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
    color: var(--dark-silver);
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--silver);
}

.divider span {
    background: var(--white);
    padding: 0 1rem;
    font-size: 0.9rem;
}

.register-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--dark-silver);
}

.register-link a {
    color: var(--purple);
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.register-link a:hover {
    color: var(--dark-purple);
    text-decoration: underline;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #f5c6cb;
    margin-bottom: 1rem;
    display: none;
    font-size: 0.9rem;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #c3e6cb;
    margin-bottom: 1rem;
    display: none;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .login-card {
        padding: 2rem;
        margin: 1rem;
    }

    .login-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
  .login-title {
    font-size: 1.5rem;
  }

  .login-card {
    padding: 1.5rem;
  }

  .form-group input {
    font-size: 0.95rem;
    padding: 12px;
  }

  .login-btn {
    font-size: 1rem;
    padding: 14px;
  }

  .nav-container {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
}