:root {
    --cepsa-primary: #e30613;
    --cepsa-primary-dark: #b7000f;
    --cepsa-primary-light: #ff4d4d;
    --cepsa-secondary: #0066cc;
    --cepsa-secondary-light: #4d94ff;
    --cepsa-dark: #1a1a1a;
    --cepsa-gray: #2d2d2d;
    --cepsa-light: #f8f9fa;
    --cepsa-white: #ffffff;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 90px;
}

/* Estilos específicos para la página de login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--cepsa-light) 0%, #f0f2f5 100%);
    padding: 2rem;
    margin: 0;
    position: relative;
    overflow: hidden;
}

/* Efecto de burbujas decorativas */
.login-container::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--cepsa-primary-light) 0%, rgba(227, 6, 19, 0) 70%);
    top: -100px;
    left: -100px;
    opacity: 0.15;
    z-index: 0;
}

.login-container::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--cepsa-secondary-light) 0%, rgba(0, 102, 204, 0) 70%);
    bottom: -150px;
    right: -150px;
    opacity: 0.15;
    z-index: 0;
}

.login-card {
    background: var(--cepsa-white);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    z-index: 1;
    transform: translateY(0);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 0, 0, 0.03);
    overflow: hidden;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

/* Barra decorativa superior */
.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--cepsa-primary) 0%, var(--cepsa-secondary) 100%);
}

.login-logo {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.login-logo img {
    height: 60px;
    width: auto;
}

/* Alternativa si usas texto en lugar de imagen */
.login-logo-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--cepsa-primary);
    background: linear-gradient(to right, var(--cepsa-primary) 0%, var(--cepsa-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.login-title {
    color: var(--cepsa-dark);
    margin-bottom: 2rem;
    font-size: 1.75rem;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.login-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--cepsa-primary) 0%, var(--cepsa-secondary) 100%);
    border-radius: 3px;
}

.login-form {
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--cepsa-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

.login-form input {
    width: 100%;
    padding: 0.85rem 1.25rem;
    margin-bottom: 0.25rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f9f9f9;
}

.login-form input:focus {
    border-color: var(--cepsa-primary);
    box-shadow: 0 0 0 3px rgba(227, 6, 19, 0.1);
    outline: none;
    background-color: var(--cepsa-white);
}

.login-form button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(90deg, var(--cepsa-primary) 0%, var(--cepsa-primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.login-form button:hover {
    background: linear-gradient(90deg, var(--cepsa-primary-dark) 0%, #95000c 100%);
    box-shadow: 0 5px 15px rgba(227, 6, 19, 0.3);
}

.login-form button:active {
    transform: scale(0.98);
}

.login-form button::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
    transform: scale(0);
    transition: transform 0.5s ease;
}

.login-form button:hover::after {
    transform: scale(1);
}

.error-message {
    color: var(--cepsa-primary);
    background-color: rgba(227, 6, 19, 0.08);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    border-left: 4px solid var(--cepsa-primary);
    text-align: left;
}

.login-footer {
    margin-top: 2rem;
    color: var(--cepsa-gray);
    font-size: 0.9rem;
}

.login-footer span {
    color: var(--cepsa-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-footer span:hover {
    color: var(--cepsa-secondary-light);
    text-decoration: underline;
    cursor: pointer;
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

.form-group {
    animation: fadeInUp 0.6s ease-out forwards;
    animation-delay: 0.1s;
}

.login-form button {
    animation: fadeInUp 0.6s ease-out forwards;
    animation-delay: 0.2s;
}

.login-footer {
    animation: fadeInUp 0.6s ease-out forwards;
    animation-delay: 0.3s;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .login-container {
        padding: 1.5rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
}

/* Estilos para el select de empresas */
.company-select-container {
    animation: fadeIn 0.3s ease-out;
    margin-top: 1rem;
    padding: 1rem;
    background-color: rgba(0, 102, 204, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--cepsa-secondary);
}

.company-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    margin-bottom: 1rem;
    background-color: var(--cepsa-white);
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
}

.company-select:focus {
    border-color: var(--cepsa-secondary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
    outline: none;
}

.company-select-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.btn-confirm, .btn-cancel {
    flex: 1;
    padding: 0.5rem;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-confirm {
    background-color: var(--cepsa-secondary);
    color: white;
}

.btn-confirm:hover {
    background-color: #0056b3;
}

.btn-cancel {
    background-color: transparent;
    color: var(--cepsa-gray);
    border: 1px solid #e0e0e0;
}

.btn-cancel:hover {
    background-color: #f5f5f5;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}