@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* Colores basados en el logo */
    --primary: #005982; /* Azul principal */
    --primary-light: #0077a9;
    --primary-dark: #004263;
    --secondary: #6eb43f; /* Verde secundario */
    --secondary-light: #8ac75e;
    --secondary-dark: #5a9b2f;
    --accent: #f39200; /* Naranja acento */
    --accent-light: #ffaa33;
    --light: #f8f9fa;
    --dark: #343a40;
    --white: #ffffff;
    --gray: #6c757d;
    --gray-light: #f0f8ff; /* Azul muy claro para fondo */
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 89, 130, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, var(--gray-light) 0%, #e0f0ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
}

.login-container {
    max-width: 450px;
    width: 100%;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--primary);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--secondary-light), var(--secondary));
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
}

.login-container::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--primary-light), var(--primary));
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
}

.login-container:hover {
    box-shadow: 0 15px 35px rgba(0, 89, 130, 0.15);
    transform: translateY(-5px);
}

.logo-container {
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.logo-container img {
    max-width: 160px;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.login-title {
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}

.login-form {
    text-align: left;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.form-label {
    font-weight: 500;
    color: var(--primary-dark);
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
    display: block;
}

.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--primary);
    text-align: center;
    white-space: nowrap;
    background-color: #f1f7fc;
    border: 1px solid #dce4ec;
    border-radius: 8px 0 0 8px;
    border-right: none;
}

.form-control {
    padding: 0.8rem 1rem;
    border-radius: 8px;
    border: 1px solid #dce4ec;
    background-color: #f8fbff;
    transition: var(--transition);
    width: 100%;
    font-family: 'Poppins', sans-serif;
}

.input-group > .form-control {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    flex: 1 1 auto;
    width: 1%;
}

.form-control:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 89, 130, 0.1);
    border-color: var(--primary-light);
}

.btn-login {
    background-color: var(--primary) !important;
    color: white !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 0.8rem 1.5rem !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    width: 100% !important;
    transition: var(--transition) !important;
    letter-spacing: 0.5px !important;
    margin-top: 0.5rem !important;
    cursor: pointer !important;
    position: relative !important;
    overflow: hidden !important;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn-login:hover {
    background-color: var(--primary-dark) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 15px rgba(0, 89, 130, 0.25) !important;
}

.btn-login:hover::before {
    left: 100%;
}

.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.me-2 {
    margin-right: 0.5rem !important;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}